Thematische Bibliographien / Copper industry and mining

Auswahl der wissenschaftlichen Literatur zum Thema „Copper industry and mining“

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Veröffentlicht am 26. Juli 2024

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Zeitschriftenartikel zum Thema "Copper industry and mining"

Matuszewski, Maciej. „Synergies in mergers and acquisitions in the copper mining industry“. Ekonomia i Prawo 20, Nr. 2 (30.06.2021): 277–86. http://dx.doi.org/10.12775/eip.2021.016.

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Motivation: The results of the research shall broaden the knowledge required for interpretation of synergy effects in the mineral mining sectors. The results obtained shall be used for further research when developing procedures for analysis and evaluation of the effects of mergers and acquisitions in the copper ore mining sector and may also be used by the management of an acquiring party involved in mergers and acquisitions in the copper mining sector. Aim: The aim of the research, the results of which has been presented in this article, was to identify areas of processes concerning operations and costs as possible sources of synergies in the merger and acquisition processes in the copper ore mining sector. A critical review of literature about the subject as well as desk research have been used to make the study. Results: The obtained results confirm the need for synergy effects, in the areas of both operations and costs, to be considered in the processes of mergers and acquisitions in the copper ore mining sector. Taking into account the strategy map and the cost structure in the copper mining sector, we may conclude that the costs of mining and milling are the key parameters of the cost structure (in relation to overheads) and they should be considered as the specific subject of due diligence, because apparently, this is the area where the greatest synergy value may be achieved.

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Ranjbar, M., M. Schaffie, Mohammad Pazouki, R. Ghazi, A. Akbary, S. Zanddevakili, S. A. Seied Baghery und Z. Manafi. „Application Potential of Biohydrometallurgy in the Iranian Mining Industry“. Advanced Materials Research 20-21 (Juli 2007): 38–41. http://dx.doi.org/10.4028/www.scientific.net/amr.20-21.38.

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Several studies and different successful commercial applications had demonstrated that bioleaching can be an innovative approach that is capable to provide mining industry opportunities for essential growth in the medium term[2-18]. To identify the commercial application potential of bioleaching in Iranian copper industry, a research program was initiated. The objective of the main part of this program was to evaluate bacterial leaching processes for copper recovery from (i) high grade ores and flotation concentrates and (ii) low grade ores and flotation tailings. The latest results of these studies indicates the general operability of the bioleaching in both cases. At optimum conditions, the copper extraction from low grade materials was more than 80% and that from high grade ores and flotation concentrates about 95%, which should be high enough to justify the process economically.

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Arévalo Rodríguez, Santiago, und Joaquín Eduardo Piscoya Álvarez. „Future scenarios of the copper industry. A prospective study of the sector in Peru“. Ingeniería Industrial, Nr. 45 (29.11.2023): 193–211. http://dx.doi.org/10.26439/ing.ind2023.n45.6637.

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Mining has led to multiple social conflicts between communities and companies. However, at the same time, it has been the activity with the greatest contribution to Peru’s gross domestic product for more than a decade, especially copper mining. The importance of copper lies in the fact that it is one of the basic raw materials for the manufacture of products and the expansion of global industries. This research seeks to identify and analyze the possible behavioral scenarios that will support copper mining in the next five years. Foresight (projection of future scenarios), along with the judgment of experts in the field, was used for conducting the research. This methodology employs a non-experimental design and aims at both exploratory and descriptive results. The main findings include an increase in the electricity cost for mining and the continuation of an unfavorable political leadership for its development. It is clear that this issue is taking place in a sensitive context due to the constant social conflicts that occur in favor of the growth of industry. This study will undoubtedly propose solutions to this disparity and will research whether, in any scenario, copper mining and the total population of a copper-rich country can really coexist.

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Wincewicz-Bosy, Marta, Małgorzata Dymyt und Katarzyna Wasowska. „The Supply Chain of the Mining Industry: The Case of Copper Mining“. EUROPEAN RESEARCH STUDIES JOURNAL XXIV, Issue 1 (01.02.2021): 204–25. http://dx.doi.org/10.35808/ersj/1958.

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Valenzuela, Luis. „The Chilean Copper Smelting Industry in the Mid-Nineteenth Century: Phases of Expansion and Stagnation, 1834–58“. Journal of Latin American Studies 24, Nr. 3 (Oktober 1992): 507–50. http://dx.doi.org/10.1017/s0022216x00024263.

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This article looks at the beginnings and early development of the modern copper smelting industry in Chile. It analyses the factors which led to its occurrence, contrasting it with other countries where no smelting industry developed. It argues that the development of the Chilean smelting industry stimulated copper mining and reinforced the expansion of coal mining. Furthermore, it permitted the retention in the country of a larger part of the rent generated by copper mining than would have been the case had all the copper ore been exported, and was therefore an important factor in the development of the Chilean economy as a whole.Until 1879 tne Chilean copper industry was the most dynamic sector of the economy of the Republic. During the period 1844—79 it generated exports of 341 million pesos (around £64 million), or 42.3 % of the total value of the exports of the country, and contributed 29 million pesos, or almost 10% of the ordinary fiscal income, through the export duty levied.1 Most of this copper left Chile in the shape of ingots of over 99% fine (that is pure) copper, bar copper of c. 96 % fine or regulus, a semi-processed form of copper of around 50% fine; only 12.1 % left in the shape of copper ores of different types.2 The smelting and, to an even greater extent, the refining of the copper ore in Chile permitted the miners to develop a wider variety of potential markets. It also facilitated the Luis Valenzuela is a Lecturer at the Centre for Development Studies, University College of Swansea.

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Turabdzhanov, Sadritdin, Zulkaynar Nazirov, Dildora Turaeva und Latofatkhon Rakhimova. „Perspective Wastewater Treatment from Cu2+ Ions in the Mining Industry“. E3S Web of Conferences 105 (2019): 02025. http://dx.doi.org/10.1051/e3sconf/201910502025.

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The synthesis of new cation-exchanger based on local raw materials for the extraction of copper from copper-containing solution investigated. A review of the literature regarding the problem of ion exchange method and the use of mine wastewater treatment process is presented. Sorption selectivity of Cu2+ ions by cation exchanger in the H-and Na-forms from dilute solutions was studied in the target concentration range 90 mg/dm3 and 5,49 g/ dm3. The full dynamic exchange capacity calculated. The cation exchanger analyzed with consideration for IR spectroscopic, chemical analysis, and scanning electron microscopic data. Quantum-chemical calculations performed that synthesized cation-exchanger stable complexes with Cu2+ ions. Obtained cation exchanger due to excellent behavior recommended removing copper ions from wastewater in the mine industry.

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Yepsen, Orlando, Jorge Yáñez und Héctor D. Mansilla. „Photocorrosion of copper sulfides: Toward a solar mining industry“. Solar Energy 171 (September 2018): 106–11. http://dx.doi.org/10.1016/j.solener.2018.06.049.

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Wang, Hong Tao, Yu Liu, Xian Zheng Gong, Zhi Hong Wang, Feng Gao und Zuo Ren Nie. „Life Cycle Assessment of Metallic Copper Produced by the Pyrometallurgical Technology of China“. Materials Science Forum 814 (März 2015): 559–63. http://dx.doi.org/10.4028/www.scientific.net/msf.814.559.

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With the rapid development of industry in China, China has become the largest producer of refined copper as well as the largest consumer of copper in the world. In order to provide the support for decreasing the environmental impact of the copper pyrometallurgy of China, the life cycle assessment methodology was carried out in this study to identify and analyze the typical processes’ environmental load of refined copper production from ‘cradle-to-gate’ perspective. The results showed that the most serious environmental impact of copper pyrometallurgy was abiotic depletion potential and human toxicity. The abiotic depletion potential mainly comes from the copper ore mining, for this reason, increasing the use of renewable copper is an effective means to alleviate environmental load of our country copper pyrometallurgy industry. Meanwhile, reducing the direct and indirect discharge of poisonous and harmful elements (e.g. heavy metals) from the copper ore mining stage and the copper smelting process could decrease the human health damage efficiently.

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Astudillo, Á., M. Garcia, V. Quezada und L. Valásquez. „The use of seawater in copper hydrometallurgical processing in Chile: A review“. Journal of the Southern African Institute of Mining and Metallurgy 123, Nr. 7 (05.10.2023): 357–64. http://dx.doi.org/10.17159/2411-9717/2445/2023.

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Seawater has become a viable alternative for different uses in copper hydrometallurgy. In this paper we review the main physical and chemical characteristics of seawater and how these influence copper production. Reliable data on the use of continental water are reported, and the current use and consumption of seawater in the Chilean mining industry is analysed, indicating the main areas of use and the main problems encountered. Additionally, the influence of the elements in seawaterthat have the most influence on the extractive metallurgy of copper are considered. The Chilean copper mining industry currently consumes approximately 4.1 m3/s of seawater, which corresponds to 25% of the total water used. The use of seawater for the leaching of copper sulphide minerals, such as chalcopyrite, is beneficial because it provides 20 g/L of chloride, thereby improving copper dissolution kinetics.

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Rahmahwati, Atika, Aryo Prawoto Wibowo und Fadhila Achmadi Rosyid. „Analysis of the Copper Industry Chain in Indonesia Using a System Dynamics Approach to Optimize Its Added Value“. Journal of Engineering and Technological Sciences 54, Nr. 5 (05.09.2022): 220504. http://dx.doi.org/10.5614/j.eng.technol.sci.2022.54.5.4.

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Indonesia is a leading producer of a wide range of minerals, including copper. Nonetheless, the copper-based industry in Indonesia is still not well developed, especially the limited number of products from the intermediate copper industry which will become raw materials for its downstream industry. The underdeveloped intermediate copper industry has forced Indonesia to import several types of copper-based semi-finished products to meet the needs of the downstream industry. On the other hand, the mining industry still exports copper concentrate and some copper cathodes produced by smelting. As a result, the added value obtained by Indonesia from copper is not optimal. Therefore, it is necessary to conduct research on the copper industry chain and to estimate the increase in added value that could be generated. In this study, a system dynamics (SD) model was developed. During the simulation period of 2020 to 2030, the total added value along the copper industry chain that can be obtained is USD 70,422,840,000 if the planned smelter and refinery is completed in 2023 to process all domestic concentrates and to increase intermediate industry capacity.

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Dissertationen zum Thema "Copper industry and mining"

Cunningham, Simon John. „Nationalization and the Zambian copper mining industry“. Thesis, University of Edinburgh, 1986. http://hdl.handle.net/1842/32165.

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Mengwe, Moses Seargent. „Towards social impact assessment of copper-nickel mining in Botswana“. Thesis, Nelson Mandela Metropolitan University, 2010. http://hdl.handle.net/10948/1443.

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This research study is more of an initiative towards Social Impact Assessment of copper-nickel mining in Botswana. The specific objectives of the study were centred on the assessment of the social impacts of copper-nickel mining in Botswana from the initial mining stage of exploration, surveying and mine site development to mine closure. The study was carried out under the broad hypotheses that mining influences population movement that impact on areas of mining; mining activities have both economic benefits and deleterious social impacts on the local communities found in the areas where mining is taking place; and mine closure has far reaching socio-economic, investment and developmental implications over and above the obvious interests of project owners. To achieve the broad aim as summarised above, the research study used a multi-disciplinary methodology and approach that required several kinds of expertise and sources of information. Hence it used both primary and secondary sources centred on interactive informative interviews, site visits and observations, questionnaires, census data records, mining companies’ publications, published textbooks and journal articles. The research study comprised of three different mines operated by three different mining companies in three varied socio-cultural and ethnic regions of Botswana. First was a detailed Social Impact Assessment of the initial phase of exploration, surveying and mine site development represented by Mowana mine project operated by African Copper in the rural areas of Dugwi and Mosetse. This case study yielded results showing that the social impacts of mining in the area are diverse and extensive. The findings suggest that the impacts relate not only to the possible economic benefits of foreign exchange, employment, the optimal use of available mineral resources and the possible development of Dugwi and Mosetse villages, but extends to the deleterious social impacts. The results also indicated that the social impacts have just begun in the two communities. Hence they point towards a possible disruption within the socio-cultural system of the local people if serious mitigation measures are not put in place; thus suggesting that the early stages of exploration and mine site development results in the most conflict between the mine and the local people. Second was a comprehensive Social Impact Assessment of Tati-Nickel Phoenix mining project in the peri-urban areas of Matshelagabedi and Matsiloje areas representing the mining stage of mine production and expansion. The results from this case study suggest that during vi mine production and expansion, many people were relocated. However, the overriding impression gained from the case study was Tati-Nickel Mining Company’s elaborate corporate policies that suggested good corporate governance and best practices that promote sustainable development. A notable milestone on good corporate governance and best practice that the other two case studies (mining company) could benchmark on is Tati-Nickel’s corporate social responsibility programme that has been designed to ensure that the communities within a fifty kilometre mine radius benefit from the mine. The results from the case study also distinguished the mining stage of production and expansion from the other two because it is associated with the deep entrenchment of the social impacts into the communities near to mining areas. Third was a detailed Social Impact Assessment on Bamangwato Concession Limited mine in the industrial town of Selebi-Phikwe. The case study represented the stage of mine closure. Through the findings of this case study, it became apparent that the economic dependence of Selebi-Phikwe on mining has seen the town developing into a mining town, increasing its vulnerability at mine closure. The results from the case study further suggest that mine closure will degrade the socio-economic sector of the town with ever far reaching socio-economic implications as many people lose their gainful employment, hence suggesting that a possible complete mine closure will be the most traumatic phase leading to major social conflict within the area. Thus the results suggest that at mine closure, the deleterious social impacts will overspill to other areas in Botswana with disastrous effects for the economy of the country. The results yielded through this study established in clear and passionate language that copper-nickel mining in Botswana influences population movements that lead to positive and negative impacts on the communities found in mining areas. Another major finding of the study is that copper-nickel mining activities have both economic benefits and deleterious social impacts on the local communities, hence the recommendation that the copper-nickel mining companies should embrace the concept of sustainable mining for sustainable development to avoid most of the negative impacts of their operations on the local communities.

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Burdiles, Orellana Sergio. „Process Innovation by working miners : a case of user innovation in copper mining industry“. Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/72876.

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Thesis (S.M. in Management of Technology)--Massachusetts Institute of Technology, Sloan School of Management, 2012.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 50-51).
Employees are known to develop and use key process improvements. In this thesis, I explore innovation by mining employees working in Codelco, a Chilean mining company. The data on these innovations come from a contest sponsored by mine management at the Andina division of Codelco. This contest encourages workers to come forward and reveal the improvements they have made. The research method used for this case study is based on data and information collected from interviews with managers, workers and members of the contest organizing committee. In addition, a survey was given to more than 50 workers involved in the current version of the contest, to evaluate and analyze their interests and motivation drivers to participate in the contest. One of the main findings is that more than 85% of total workers do behave as user innovators, and 85% of the survey's participants have created at least two innovations at Andina. For the workers, the main reasons to participate in the contest are making a contribution to the company, to develop a deeper knowledge in a specific topic, and also to be recognized by family, colleagues and managers. The key lessons of this case study are that user innovations in the copper mining industry do happen, and creating the right incentives for workers to innovate and share their innovations, can increase their motivation, performance evaluation and add value to their company and the industry.
by Sergio Burdiles Orellana.
S.M.in Management of Technology

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Ramsey, James Edward, und James Edward Ramsey. „Unions, Corporations, and the State: Ethnic Tension and Legislative Activism in the Arizona Mining Industry, 1873-1903“. Thesis, The University of Arizona, 2017. http://hdl.handle.net/10150/626144.

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The mining industry in Arizona first gained prominence with the growth of the Morenci-Clifton district in the 1870s. A "Mexican camp" from its inception, the town differed racially from the other mining centers across the State, most notably that of Bisbee to the south. As the industry expanded and with the coming of the 20th century, each town established its reputation as an ethnic center for Mexicans and Anglos. Competition for jobs and debates over the rights of workers both contained an underlying issue of race. Questions about who held rights to which jobs isolated Morenci-Clifton as a cultural outlier, and the union push to regulate the industry left the region in a precarious situation. A 1903 state law shortening the work day to eight hours prompted the first major strike in the history of the district, and the motivations behind the law's passage had connotations beyond the protection of workers, extending into the realm of racial exclusion.

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Barfield, Roosevelt. „Investing in Least Developed Countries: The Aynak Copper Mine Project“. ScholarWorks, 2016. https://scholarworks.waldenu.edu/dissertations/2436.

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The rise of market globalization creates challenges for business executives seeking to pursue foreign direct investment (FDI) in least developed countries (LDC), such as Afghanistan. Multinational corporate (MNC) executives need strategies that will improve the timely delivery of minerals for mining projects in LDCs. Guided by the force field analysis theory, the purpose of this holistic, single-case study was to explore the strategies that 5 MNC executives in Beijing, China, used to improve the timely delivery of minerals associated with the Aynak copper mine project in Afghanistan. Semistructured interviews were used to elicit detailed narratives from MNC executives about their experiences to develop strategies for mining projects in LDCs. A review of company documents, as well as member-checking of initial interview transcripts, helped to bolster the trustworthiness of final interpretations. Study results included 2 themes. Theme 1 was determinants of mine investment strategies in LDCs that included an exploration of driving forces, restraining forces, neutral forces, and the effect of those forces. Theme 2 was FDI strategies for copper mine projects in LDCs that included the comparison of cost leadership strategy, differentiation strategy, and combination of cost leadership and differentiation strategies. By implementing a cost leadership strategy and best practices, MNC executives were able to achieve greater success to improve timely delivery of minerals associated with FDI copper mine projects in LDCs. Social implications include ongoing efforts of Afghan government leaders to implement effective economic policies that decrease unemployment while reducing poverty.

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Pelto, Brendan. „Black-Americans in Michigan's Copper Mining Narrative“. Thesis, Michigan Technological University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10617571.

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This thesis details the Phase 1 archaeological investigation into Black-Americans who were active on the Keweenaw Peninsula of Michigan during the mining boom of the 1850s–1880s. Using archaeological and archival methods, this thesis is a proof-of-concept for future work to be done that investigates the cultural heritage of Black Americans in the Upper Peninsula of Michigan.

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Östlund, Jacob, und Kristian Kierkegaard. „Uranium Mining Industry : -A valuation of uranium mining companies“. Thesis, Jönköping University, JIBS, Accounting and Finance, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-927.

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Background:

Over the last three years uranium prices have soard from US $14 per pound (lb) to the current price of US $120/lb and this rapid incline of the commodity have created a boom within the uranium prospecting and min-ing industry. There are currently 435 nuclear reactors all over the world and these reactors demand 180 millions of pounds of uranium each year to run at full production. Currently the uranium mining industry only sup-plies 110 million pounds of the demanded quantity. The remaining 70 mil-lion pounds are coming from secondary sources such as decommissioned nuclear warheads and other sources. Market estimations say that the sec-ondary sources will only cover the shortage up until around 2012 then primary sources have to supply almost the whole quantity demanded. These factors imply that some sort of analysis model for uranium mining companies would be needed.

Purpose:

The purpose of this report is to valuate three companies within the ura-nium industry and to establish if the current market value is coherent with the fundamental value of these companies. The authors will propose a valuation model that could be used when valuating companies within the uranium industry.

Method:

A qualitative method has been used in order to value three companies within the uranium mining business that are fairly large players on the market. The valuation of these companies is based upon a discounted cash flow analysis, a relative PV valuation and relative valuation. The compa-nies included in the report are corporations that are quoted at Toronto Stock Exchange and they have started mining uranium. Data have been collected through annual reports and the companies Internet pages. Other secondary information such as valuation theories has been collected from academic search engines and books on the subjects.

Conclusions:

The current market values of uranium mining companies are not coherent with the actual fundamental values according to the authors. Both funda-mental and a comparative approach could be used when valuing these companies and the most important part in the valuation is to try and fore-cast the commodity price and then to estimate the companies possible mining reserve/extractable resources.

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Yang, Fenghua. „Geopolymerization of Copper Mine Tailings“. Thesis, The University of Arizona, 2012. http://hdl.handle.net/10150/268596.

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Geopolymerization is a chemical reaction process, reacting SiO₂ and Al₂O₃ with alkaline solutions, which can transform aluminosilicate solids or particles to polymer materials. Geopolymers have many engineering applications such as cementation binders for construction and solidification or encapsulation of hazardous heavy metals. Mine tailings mainly consist of SiO₂ and Al₂O₃. Theoretically, mine tailings can be used as source materials for geopolymerization. However, for most researchers, they use fly ash, metakaolin or furnace slag as source minerals, because these minerals are much more reactive with alkaline solutions. Mine tailings are naturally-forming minerals and are considered to be inert in geopolymerization. How are mine tailings to be activated through different reaction conditions? We conducted several tentative or preliminary experiments to study the geopolymerization process step by step. We tried different methods to react mine tailings with alkaline solutions. Mine tailings were submerged into alkaline solutions in a plastic bucket for 6 days in room temperature (20-25 °C). We wanted mine tailings to be activated by soaking. The results were not satisfying. Then we tried to react mine tailings with alkaline solutions at 60 °C and 90 °C. After analyzing, we found that the results were not satisfying either. So, we conducted simplified geopolymerization experiments in order to better understand the chemical reaction mechanism. Pure SiO2 and Al2O3, which were two major reactants, were employed to simplify and simulate the geopolymerization process. We drew some useful conclusions such as that geopolymerization took place at elevated temperatures; Al₂O₃ almost did not react with alkaline solutions at low temperatures, etc. We conducted experiments at elevated temperatures (150 °C, 180 °C, 210 °C). Different levels of pressure (5 MPa, 10 MPa, 20 MPa) were applied to make compact specimens. After many attempts, the results were successful. The highest mechanical strength was about 20 MPa. Most importantly, we obtained polymers produced from geopolymerzation, which could be seen by naked eyes. The experiment techniques such as scanning electron microstructure (SEM) imaging and X-ray diffraction (XRD), inductively-coupled plasma mass spectrometry (ICP-MS), and unconfined compression tests (UCS) were applied to study the geopolymerization reaction mechanism and the feasibility of using mine tailing-based geopolymers as construction materials.

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Sainath, Narayana Rangaiah 1968. „Dynamic behavior of flow during leaching of copper ores“. Thesis, The University of Arizona, 1991. http://hdl.handle.net/10150/291737.

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The objective of this investigation was to experimentally determine the variation in the flow characteristics of tactite copper ores during the leaching process. The laboratory work involved estimation of porosity and permeability of cores before leaching, and after various intervals of leaching. The tests were carried out using specimens of diameter 1.5 and 4.0 inches, prepared from boulders obtained from the Cyprus Casa Grande mine. A solution containing about 25 grams of sulfuric acid per liter was used as the lixiviant. Porosity was determined using the water saturation method. The permeability was estimated using either helium or water with the specimens stressed triaxially to simulate in situ conditions. The rate of copper recovery from the specimen during the leaching process was also determined by estimating the copper content in the solution used for leaching. The results indicate that the permeability and porosity of the specimens increased with leaching, but both tend to remain constant after most of the soluble material in the core was dissolved. The rate of copper recovery was high initially but dropped as leaching progressed and the copper in the specimen was depleted.

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Forshell, Helena. „The inception of copper mining in Falun : relation between element composition in copper artifacts, mining and manufacturing technology and historic development with particular emphasis on copper from the Falu mine /“. Stockholm : Archaeological research laboratory, 1992. http://catalogue.bnf.fr/ark:/12148/cb35727130k.

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Bücher zum Thema "Copper industry and mining"

Dymond, Abi. Undermining development?: Copper mining in Zambia. London: Action for Southern Africa, 2007.

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Silavwe, Geoffrey W. Management of human resources in the copper mining industry of Zambia. [Kitwe? Zambia: s.n.], 1995.

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Courter, Ellis W. Michigan's copper country. Lansing, Mich: Michigan Dept. of Natural Resources, Geological Survey Division, 1994.

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Shaw, Michael. The lead, copper & barytes mines of Shropshire. Almeley: Logaston, 2009.

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Shaw, Michael. The lead, copper & barytes mines of Shropshire. Almeley: Logaston, 2009.

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World Bank. Zambia Country Office. What would it take for Zambia's copper mining industry to achieve its potential?: [note]. Lusaka]: The World Bank, 2011.

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Salas, José Alfredo Uribe. La industria del cobre en la América española: México, Chile, Perú y Cuba, siglos XVI-XIX. Morelia, Mich. [Mexico]: Universidad Michoacana de San Nicolás de Hidalgo, Facultad de Historia, 2005.

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Hyde, Charles K. Copper for America: The United States copper industry from colonial times to the 1990s. Tucson: University of Arizona Press, 1998.

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Silavwe, Geoffrey W. Some aspects of personnel management practice in the copper mining industry of Zambia. [Zambia: s.n.], 1999.

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Gröbl, Susanne. Der Kupfererzbergbau in der Radmer: Von den Anfängen bis 1650. Graz: Dbv-Verlag, 1986.

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Buchteile zum Thema "Copper industry and mining"

Butler, L. J. „The Mining Industry and Zambian Independence“. In Copper Empire, 255–92. London: Palgrave Macmillan UK, 2007. http://dx.doi.org/10.1057/9780230589766_8.

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Butler, L. J. „The Debate on Controlling the Mining Industry (1939–1952)“. In Copper Empire, 146–93. London: Palgrave Macmillan UK, 2007. http://dx.doi.org/10.1057/9780230589766_5.

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Zhifeng, Xu, und Xu Kuangdi. „Modern Copper Industry in China“. In The ECPH Encyclopedia of Mining and Metallurgy, 1–3. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-0740-1_1344-1.

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Jamett, Ingrid, Ernesto D. R. Santibanez Gonzalez, Yecid Jiménez und Paulina Carrasco. „Toward a Circular Economy in the Copper Mining Industry“. In Handbook of Smart Materials, Technologies, and Devices, 1831–51. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-84205-5_59.

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Jamett, Ingrid, Ernesto D. R. Santibanez Gonzalez, Yecid Jiménez und Paulina Carrasco. „Toward a Circular Economy in the Copper Mining Industry“. In Handbook of Smart Materials, Technologies, and Devices, 1–21. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-58675-1_59-1.

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Eberhardt, Erik. „The Copper Supply Gap“. In Heavy Metal, 171–80. Cambridge, UK: Open Book Publishers, 2024. http://dx.doi.org/10.11647/obp.0373.24.

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Copper is a critical metal for electrification, and is witnessing a step-change in demand associated with the transition away from fossil fuels to clean energy and electric transportation systems. By 2030, a copper supply gap of ten million metric tons per year is expected, equivalent to the global copper supply required to meet the Paris Agreement targets. This essay discusses the challenges ahead as we seek to close this anticipated supply gap, with a particular focus on the need for new underground mining methods to access deeper copper deposits. The shift to targeting deep underground deposits is pushing the mining industry beyond its experience base, creating a need for novel engineering approaches to mitigate new geological hazards, while also managing new economic risk factors. Success in these endeavours is critical to the advancement of the clean energy transition.

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Mathur, Ryan, und Yun Zhao. „Copper Isotopes Used in Mineral Exploration“. In Isotopes in Economic Geology, Metallogenesis and Exploration, 433–50. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-27897-6_14.

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AbstractThe use of copper isotopes related to ore deposit location and genesis has greatly expanded over the past twenty years. The isotope values in ores, rocks, soils, and water range greater than 10‰ and provide ample isotopic variation to identify and interpret complex geological process. From an exploration standpoint, the copper isotope values in waters, sulfides and weathered rocks vector to mineralization at depth. Ground and surface waters display the greatest potential for both green and brownfields exploration, whereas Fe-oxides and other related ore minerals isotope compositions for exploration are nascent. From an ore genesis perspective, the copper isotopes serve as a redox proxy to aid in unraveling magmatic and hydrothermal processes related to metal sulfide precipitation. In summary, the use of copper isotopic approaches by the mining industry are ideal as they point to processes directly related to the metal of economic interest and should be employed in all stages of the mine life from exploration to extraction, and to environmental monitoring post-mining activities.

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Es-sahly, Samira, Brahim Lakssir, Khalid Naji, Hakim Faqir, Jihad Zahir, Abdelaziz El Basbas und Slimane Dadi. „Sensor-Based Sorting in Mining Industry: Selection of Appropriate Sensing Technologies for a Copper Deposit“. In Advances in Science, Technology & Innovation, 189–91. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-48758-3_42.

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Sjölander-Lindqvist, Annelie. „Arsenic Fields: Community Understandings of Risk, Place, and Landscape“. In Palgrave Studies in Anthropology of Sustainability, 55–77. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-78040-1_3.

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AbstractThis is a study of the communication of environmental risk associated with the planned removal of arsenic from the copper mining fields in Riddarhyttan, central Sweden. The study was implemented using in-depth interviews with community residents and representatives from the local, regional, and national governments, as well as walk-and-talk sessions near contaminated grounds to learn about the value of these places to local people and their reflections on risk. The study identified how local residents had to navigate between messages from authorities that touching stones could be life threatening at the same time as they were told that risk was non-existent. This resulted in mixed and affective feelings regarding place, community, and the role the copper industry had played in the past. The case is an illuminating example of how perception and communication is embedded in the social and cultural reality of local communities.

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Mutale, Inonge, Isabel B. Franco und Summer Lamont. „Zambia’s Mining Industry: A Closer Look at the Corporate Approaches to Sustainable Development of Konkola and Mopani Copper Mines“. In Corporate Approaches to Sustainable Development, 73–88. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-6421-2_6.

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Konferenzberichte zum Thema "Copper industry and mining"

Akhmedov, D. A. „PHYSICAL PROPERTIES AND POSSIBILITIES OF APPLIANCE OF IRON-CONTAINING TECHNICAL SANDS OF SREDNEURALSKIY COPPER PLANT (URAL)“. In Проблемы минералогии, петрографии и металлогении. Научные чтения памяти П. Н. Чирвинского. Perm State University, 2023. http://dx.doi.org/10.17072/chirvinsky.2023.7.

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Article reflects current state of problem of mining industry waste production and obsolete treatment of technogenic mineral formations as a harmful product of human activity, research on contrast properties of Sredneuralskiy copper plant technical sands, possibilities of more comprehensive use of this type of waste as iron and zinc containing ores, materials for paint and building industry, mineral fertilizers.

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de Paula, Vinicius Cardoso, und Helder de Paula. „Employing DC transmission in long distance AC motor drives: Analysis of the copper economy and power losses reduction in mining facilities“. In 2015 IEEE Industry Applications Society Annual Meeting. IEEE, 2015. http://dx.doi.org/10.1109/ias.2015.7356899.

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Moniri Morad, Amin, Mohammad Pourgol-Mohammad und Javad Sattarvand. „Reliability-Centered Maintenance for Off-Highway Truck: Case Study of Sungun Copper Mine Operation Equipment“. In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-66355.

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Surface mining equipment play an important role in capital investments and operating costs of mining industry. Improvement of the equipment performance leads to improvement of operation cost. Efficient operation and maintenance techniques centered on reliability are the methods of choice. Recent researches promote the necessity of utilization of optimal maintenance methods instead of traditional methods. This study aims in application of optimal maintenance methods for reduction of occurrence of sudden failures and equipment break down. Evaluation of reliability-centered maintenance is demonstrated on mining dump trucks operation and maintenance are utilized for Sungun copper mine. The operation data is used to quantify the failure and maintenance profile for each component required for reliability analysis. The modeling is done by using reliability block diagram and solved by Monte Carlo simulation for assessment of the dynamic behavior of the equipment. The reliability of the system is evaluated and importance of each component is estimated. The importance analysis is used to identify the items which have critical impact on reliability and availability of overall equipment for prioritizing the decision for improvements. The reliability importance measure is computed for the components by weighted importance method. Trend analysis is conducted to select proper model for the maintenance profile. Availability estimations demonstrate overall performance of the equipment on its life span.

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PEKARSKAS, Juozas, Algirdas GAVENAUSKAS, Anželika DAUTARTĖ und Aida STIKLIENĖ. „RECYCLING OF MINERAL SERPENTINITE WASTE FROM MINING INDUSTRY AND ITS USE IN AGRICULTURE TO IMPROVE SOIL AGROCHEMICAL PROPERTIES“. In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.102.

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The influence of processing the serpentinite quarry from the Caucasian mountains at the foot of the Mount Elbrus crushed waste on soil agrochemical properties, phytotoxicity of spring barley, influence on barley plant biomass and its chemical composition were investigated. Ground and granular serpentinite had a different effect on soil and plants. Application of serpentinite fertilizers significantly increased the content of calcium, iron, 227.95-376.75 and 5.05-9.62 mg kg-1, total and plant-derived magnesium 0.34-0.52 and 1.19-2.16 mg kg-1, lead and nickel, while the amount of copper dropped substantially; the soil was becoming more alkaline. Application of ground serpentinite lead to alkalizing of the soil much more compared to the granular, with a significant increase in plant-derived magnesium. The influence of serpentinite increased the yield of spring barley plants in green and dry mass by 0.049-0.256 and 0.011-0.046 g or 0.65-3.41 and 1.19-2.59% out of the growing vessel, and dry matter increased by 0.12-0.26 % units, the yield of spring barley green and dry mass under the influence of ground serpentinite was higher than of granular serpentinite fertilizer, and the dry matter was found to be significantly higher than that of unfertilized spring barley plants. Ground and granular serpentinite was not phytotoxic to spring barley. An application of ground serpentinite increased an amount of calcium, potassium and magnesium in the barley dry matter compared to the granular serpentinite. Ground and granular serpentinite reduced the amount of trace elements copper and manganese in the dry mass of the plant, and the amount of zinc decreased only after fertilization with granular serpentinite. An application of serpentinite significantly decreased content of lead, chrome and cadmium while nickel content significantly increased in the dry matter of barley plants.

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Zhang, Yanqing, Emmanuel Brorsson, Leila Methnani, Elmira Zohrevandi, Nilavra Bhattacharya, Andreas Darnell und Rasmus Tammia. „Human-centered Explainable-AI: An empirical study in Process industry“. In 15th International Conference on Applied Human Factors and Ergonomics (AHFE 2024). AHFE International, 2024. http://dx.doi.org/10.54941/ahfe1004638.

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This paper presents an empirical study on the explainability of transformer models analyzing time series data, a largely unexplored area in the field of AI explainability. The study is part of an ongoing EU-funded project which applies a human-centered approach to developing explainable AI solutions for the process industry. Here, we investigate the choice of explainer mechanisms and human factor needs when developing eXplainable Artificial Intelligence (XAI) for operators of two industrial contexts: copper mining and paper manufacturing. On-site evaluations were conducted in these settings involving control room operators to test the prototype developed in the project. The results indicate that the method of feature importance alone was not sufficient to provide explanations that are tailored to individuals and situations, as required by users. Overall, our empirical data supports “social” explanations for AI users and demonstrates the value of involving end users in the design process of effective XAI solutions. We also provide design implications which address human factor needs for such solutions in industrial settings.

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Smith, Glen. „Deepwater Seafloor Resource Production: Development of the World’s Next Offshore Frontier“. In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20350.

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A new seafloor resource industry is today focused on the exploration and recovery of high-grade copper and gold in seafloor massive-sulphide (SMS) mineralization. Work is in progress to commercially develop the first such deposit (Solwara 1) in 1,600 meters water depth in the benign Bismarck Sea, Papua New Guinea. Environmental, geological and engineering studies conducted to date have culminated in a number of world firsts, including the first Environmental Permit granted for the extraction of SMS deposits and the first NI 43-101 compliant SMS deposit resource statement. Design of the mining system has been based on proven deepwater technologies from the oil and gas industry. Pipeline trenching units, ROVs, deepwater production risers and drill cuttings removal systems will be adapted to initiate this new and exciting industry.

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Martí-Calatayud, Manuel César, Lorena Hernández-Pérez, Andréa Moura Bernardes, Marco Antônio Siqueira Rodrigues, Gerardo Cifuentes, Gabriel Riveros und Valentín Pérez-Herranz. „Application of the Electro-Electrodialysis Technology in the Copper Mineral Processing Industry: Recovery of Antimony from Mining Tailings and Recycling of the Regenerated Solution Media“. In RawMat 2023. Basel Switzerland: MDPI, 2023. http://dx.doi.org/10.3390/materproc2023015048.

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Baibatsha, Adilkhan, Alma Bekbotayeva, Maxat Kembayev, Yerkhozha Mamanov und Zakira Baibatchayeva. „MINERALOGY AND PROCESSING OF ACCUMULATED TAILINGS OF KAZAKHSTAN BENEFICIATION FACTORIES AS TECHNOGENIC ORES“. In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023/1.1/s01.10.

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Many exploited mineral deposits are at the final stage of development. The depletion of mineral reserves leads to a reduction in the volume of production and output, as well as to the social tension of single-industry towns, whose activities are directly dependent on the mining and processing industries of the economy. In our research, the initial data are the materials of geological observations and testing of tailings storages of the copper ore beneficiation factories of Kazakhstan. Studies on the composition and properties of tailings of the ore beneficiation factories indicate the prospects of processing them as a special type of technogenic ore raw materials. Special field geological and mineralogical work has been carried out at tailings storages and laboratory mineralogical and experimental technological studies of tailings. Huge reserves of technogenic ores have been accumulated in the preserved tailings storages, which have real prospects for expanding the mineral resource base and can be processed to obtain additional amounts of copper and other valuable related components. The research results can serve as a basis for further research on the choice of reagents and a rational scheme for processing technogenic ore raw materials for extracting metals from it.

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Morgan, Charles L. „The Status of Marine Mining Worldwide“. In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-80048.

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Metals are fundamental components of modern society worldwide, and, despite the current economic downturn, we know we will be faced with ever increasing demands and ever-shrinking supplies. Efforts to achieve sustainable supplies of minerals must include efforts to expand the supply. About 60% of the ocean surface consists of the ocean floor, so it is reasonable to expect that deep ocean minerals could contribute significantly to the world supply. Human efforts to recover minerals have thus far concentrated almost exclusively on land-based resources, so it is reasonable to postulate that marine minerals might offer better prospects for future mineral supplies than land prospects. Currently, we know of at least six separate categories of marine minerals: 1. Aggegrate sand and gravel deposits; 2. Placer deposits of relatively high value minerals (gold, diamonds, tin, etc) hosted in aggegrates; 3. Biogenically derived phosphate deposits; 4. Sediment-hosted (manganese nodules) and hard-rock hosted (ferromanganese crusts) ferromanganese oxide deposits; 5. Sediment-hosted methane hydrate deposits; and 6. Hydrothermally derived sulfide deposits of copper, gold, nickel, zinc, and other metals. Thanks primarily to the engineering developments made by the offshore oil industry and the computer-science advances that have revolutionized much of modern society, the technology is in place for most of the tasks of deep seabed mining. The objective here is not to provide a general status update regarding marine minerals technology, but simply to demonstrate, using the best example available to date (the Nautilus Minerals venture in the Territorial Waters of Papua New Guinea) that the technology is in place and ready to go. Development of marine minerals has both the curse and blessing of taking place in the ocean. Since the 1970’s and before, the marine environment has taken on a public aura reserved more commonly for religious beliefs. This aura poses substantial obstacles to any marine development efforts. At the same time, a basic advantage of marine mineral developments is that nobody lives there. Thus, marine mining activities will not conflict with most normal human activities. Marine mining proposals should be subjected to thorough impact assessment analysis, but it is also critical that policymakers take steps to provide a level playing field for marine developments that encourages objective comparisons with alternative land-based proposals for supplying needed mineral resources. Governments should foster reasonable access to the marine mineral resources under their jurisdiction while also supporting incentive policies and related research programs.

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Reynolds, Paul. „Early Colliery Engines at Swansea, 1730 - c1840“. In 2nd International Early Engines Conference. International Early Engines Conference & ISSES, 2021. http://dx.doi.org/10.54267/ieec2-1-05.

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In general terms, large scale exploitation of the south Wales coalfield did not start until the second quarter of the nineteenth century, well past the period where the Newcomen-type engine would have featured in colliery installations. However, the coal trade in those areas of the coalfield within easy reach of navigable rivers and seas developed much earlier and was well established by the Tudor period. The area in and around Swansea was one of these areas and by the seventeenth century was the UKs third largest coal exporting port. Development of the copper industry in the following century for which Swansea was renowned, encouraged further development of coal mining locally, bringing with it capital from external sources. From 1730 onwards, a significant number of Newcomen-type engines were erected locally and this account describes the background and context for the approximately 48 engines erected between 1730 and 1840.

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Berichte der Organisationen zum Thema "Copper industry and mining"

Turner, B., M. Quat, R. Debicki und P. Thurston. Copper Cliff, Greater Sudbury: a driving tour of Greater Sudbury's mining industry. Natural Resources Canada/CMSS/Information Management, 2015. http://dx.doi.org/10.4095/329888.

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Fernandez-Stark, Karina. Innovation and Competitiveness in the Copper Mining Global Value Chain: Developing Local Suppliers in Peru. Inter-American Development Bank, Dezember 2021. http://dx.doi.org/10.18235/0003814.

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Peru is the second largest producer and exporter of copper in the world. However, the countrys sector has weak background linkages and the emergence of innovative suppliers able to provide high-value products and services is still incipient. This article explores the opportunities to leverage Perus international positioning in the mining industry to foster the development and innovation capacities of local suppliers. Based on data analysis and interviews with local industry stakeholders, this research--which uses the global value chain framework--finds that the incorporation of a larger number of high-value local suppliers into the copper value chain is limited by weaknesses in the national innovation system. In addition to this, it notes that the national copper policy places little emphasis in the need to innovate and add value. In order to generate a critical mass of strong and innovative suppliers, Peru must create solid institutions and coordination mechanisms to develop the sector. At the same time, it should favor the insertion of domestic suppliers into the value chain and incentivize these to innovate and scale. The article presents recommendations in these areas, as well as best practices from other mining countries that have successfully overcome these challenges.

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Navas-Alemán, Lizbeth. Innovation and Competitiveness in Mining Value Chains: The Case of Brazil. Inter-American Development Bank, Dezember 2021. http://dx.doi.org/10.18235/0003813.

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Mining companies have mirrored other large multinational companies in setting up global value chains (GVCs), sourcing their inputs and services from an ever-larger number of highly capable suppliers in developing countries, such as those in resource-rich Latin America. However, recent empirical studies on the mining GVC in that region suggest that even innovative local suppliers find it difficult to exploit their innovations in local and foreign markets. Using a conceptual framework that combines literature on innovation and GVCs, this study analyzed how global/regional- and firm-level factors interact to explain the acquisition of local suppliers capabilities within Brazils mining industry. The study explored these issues using original data gathered in 2019 and secondary sources from Brazil. The main findings are related to (i) strategies used by domestic suppliers to develop innovative solutions for leading mining companies, (ii) how health and safety concerns spurred innovation after the disasters in Mariana and Brumadinho, (iii) new-to-the-world innovation capabilities among Brazilian suppliers to the mining industry, and (iv) the main barriers to developing innovative practices among domestic suppliers. The authors propose public policies to support major mining companies in acquiring innovations from domestic suppliers to the mining industry. Opportunities such as a Copper Rush in Brazil that could foster further innovations in mining are discussed.

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none,. Mining Industry Energy Bandwidth Study. Office of Scientific and Technical Information (OSTI), Juli 2007. http://dx.doi.org/10.2172/1218653.

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none,. Mining Industry Roadmap for Crosscutting Technologies. Office of Scientific and Technical Information (OSTI), Mai 1999. http://dx.doi.org/10.2172/1218656.

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none,. Mining Industry of the Future Vision: The Future Begins with Mining. Office of Scientific and Technical Information (OSTI), September 1998. http://dx.doi.org/10.2172/1218652.

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van der Grient, Jesse. Seabed mining could sink the fishing industry. Herausgegeben von Tasha Wibawa. Monash University, Juli 2023. http://dx.doi.org/10.54377/74f5-c5cd.

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Mark J. Rigali, Mike L. Fulcher und Kenneth L. Knittel. FIBROUS MONOLITH WEAR RESISTANT COMPONENTS FOR THE MINING INDUSTRY. Office of Scientific and Technical Information (OSTI), Oktober 2002. http://dx.doi.org/10.2172/812545.

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Rigali, Mark J., Kenneth L. Knittel und Mike L. Fulcher. FIBROUS MONOLITH WEAR RESISTANT COMPONENTS FOR THE MINING INDUSTRY. Office of Scientific and Technical Information (OSTI), März 2002. http://dx.doi.org/10.2172/794159.

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Mike L. Fulcher und Kenneth L. Knittel. FIBROUS MONOLITH WEAR RESISTANT COMPONENTS FOR THE MINING INDUSTRY. Office of Scientific and Technical Information (OSTI), Juni 2004. http://dx.doi.org/10.2172/825664.

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