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Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 28 січня 2023

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Статті в журналах з теми "Hazardous wastes Victoria Management"

1

Robinson, Brian. "Hazardous Waste Management in Victoria Australia." Waste Management & Research 8, no. 1 (January 1990): 99–103. http://dx.doi.org/10.1177/0734242x9000800116.

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ROBINSON, B. "Hazardous waste management in Victoria Australia." Waste Management & Research 8, no. 2 (April 1990): 99–103. http://dx.doi.org/10.1016/0734-242x(90)90029-m.

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Goodman, Robin, and Nicholas Low. "The Management and Disposal of Hazardous Waste in Victoria." Urban Policy and Research 13, no. 1 (March 1995): 48–56. http://dx.doi.org/10.1080/08111149508551671.

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Hameed, Wajiha, Adnan Yaqoob, Hajra Sarwar, and Sadia Khan. "Effect of World Health Organization Based Guidelines on Biomedical Waste Management Knowledge and Practices among Nurses in a Tertiary Care Hospital." Pakistan Journal of Medical and Health Sciences 16, no. 3 (March 26, 2022): 323–25. http://dx.doi.org/10.53350/pjmhs22163323.

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Introduction: Biomedical waste is the consisting of human tissues or organs, microbiology waste, broken glasses, sharp needles and syringes, drips, cytotoxic drugs, dressings, drips, blood strain items, chemical waste, fluids, urine catheters, and tubes. These wastes are not only harmful to the patients but lead to infections among health care provider and very hazardous for environment. Objectives:To assess the effect of world health organization based guidelines on biomedical waste management Knowledge and practices among nurses in a Tertiary Care Hospital. Methodology: A Quasi-experimental (pre-post) study was carried out at Bahawal Victoria Hospital, Bahawalpur. Overall, 150 nurses were recruited into the study. Data was collected by using an adopted knowledge and practice questionnaire. A total 16 weeks of interventions were organized for the nurses into groups regarding to knowledge and practices of the biomedical waste management. The study was approved by the University of Lahore's Ethical Review Board. Permission was also granted from the hospital administration. Data were analyzed by using SPSS version 24. Results: The mean age of the participants were 33.01 years with a SD of 5.4. The majority (62.7%) of the participants were nursing diploma holders. 66% of the participants were having < 5 years of working experience. Overall, 132(88%) and 100(100%) of participants had poor pre-interventional knowledge and unsatisfactory practices regarding to biomedical waste management. After interventions, 148(99%) and 142(95%) of participants reported good knowledge and safe practices. There was a significant (P= 0.000) enhancement in means of knowledge (2.88 to 12.95) and practices (3.70 to 13.93) scores. Conclusion: The findings of the study reported as poor knowledge and unsafe practices between the nurses regarding to the biomedical waste management. Educational interventions of WHO guidelines proved significant improvement into the knowledge and practices of the nurses regarding to biomedical waste management. Keywords: World Health Organization, Knowledge, Practice, Biomedical waste management
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Monahan, D. J. "Estimation of Hazardous Wastes From Employment Statistics: Victoria, Australia." Waste Management & Research 8, no. 1 (January 1990): 145–48. http://dx.doi.org/10.1177/0734242x9000800124.

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MONAHAN, D. "Estimation of hazardous wastes from employment statistics: Victoria, Australia." Waste Management & Research 8, no. 2 (April 1990): 145–49. http://dx.doi.org/10.1016/0734-242x(90)90037-n.

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Watts, Richard J., Mary E. Nubbe, and Thomas F. Hess. "Hazardous wastes: Assessment, management, minimization." Water Environment Research 67, no. 4 (June 1995): 553–59. http://dx.doi.org/10.2175/106143095x135840.

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Watts, Richard J., Mary E. Nubbe, and Thomas F. Hess. "Hazardous wastes: Assessment, management, minimization." Water Environment Research 68, no. 4 (June 1996): 569–75. http://dx.doi.org/10.2175/106143096x135489.

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KRAG, BRUCE L. "Hazardous Wastes and Their Management." Hazardous Waste and Hazardous Materials 2, no. 3 (January 1985): 251–308. http://dx.doi.org/10.1089/hwm.1985.2.251.

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SAKAI, Shin-ichi. "Special Issues: Hazardous Wastes. The Definitions of Hazardous Wastes and their Management." Waste Management Research 3, no. 3 (1992): 202–16. http://dx.doi.org/10.3985/wmr.3.202.

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Дисертації з теми "Hazardous wastes Victoria Management"

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Kwok, Hon-chiu. "An overview of chemical waste management of printed circuit board manufacturing in Hong Kong /." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B17457348.

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Zvinakis, Kristina. "Taxation, jurisdictions, and firm behavior : an empirical investigation of hazardous-waste taxes /." Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.

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Man, Yuk-lan Catherine. "Cyanide waste management : technologies, economic aspects, and constraints /." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B17665346.

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Mbeki, Unathi Namhla. "Hazardous waste management at University of Limpopo (Turfloop Campus) : Is it managed according to legal standards?" Thesis, University of Limpopo (Turfloop Campus), 2009. http://hdl.handle.net/10386/607.

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Thesis (M.Phil. (Environmental Law and Management)) --University of Limpopo, 2009
In this study hazardous waste is defined as well as its classes.The current status of hazardous waste management, available legislation,enforcement and minimum requirements are discussed.Hazardous waste chemicals produced at University of Limpopo (Turfloop Campus),their amounts and their management were determined.They are compared to minimum requirements from Department of Water Affairs and Forestry.Other Universities hazardous waste management programmes were looked at.
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Marcinkiewicz, Thomas J. "Hazardous materials management in the city of Victoria, a team approach." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0006/MQ41809.pdf.

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Lau, Kin-wah. "Management, disposal and recycling of waste organic solvents in Hong Kong /." Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19945139.

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Tlhapane, Keatlaretse Kefilwe. "A case study exploring the level of awareness of NCP Chlorchem's staff of environmental costs associated with hazardous waste." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1015639.

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[Integrative executive summary] NCP Chlorchem (Pty) Ltd manufactures and distributes Chlor alkali products such as chlorine, hydrochloric acid, caustic soda flakes, etc. and in the process generates both hazardous and general waste. Following changes in South African waste management legislation in 2011, the organisation’s waste service provider had to increase the costs associated with the handling of site’s hazardous waste. Top management of NCP Chlorchem (Pty) Ltd requested a meeting with the waste service provider in order to establish the reasons behind the price increase. In that meeting, which the researcher attended, the waste service provider explained the changes in waste legislation and how it was going to impact on their business. Top management understood the reasons behind the price increase; however, they requested the waste service provider to review the price increase. The waste service provider gave the top management of NCP Chlorchem (Pty) Ltd assurance that they were going to discuss the price reduction request with their own senior management and would provide feedback. The researcher did not participate in the feedback meetings; however, to this day, NCP Chlorchem (Pty) Ltd still uses the services of the same waste service provider. The effect the escalating annual waste handling costs has had on NCP Chlorchem (Pty) Ltd’s management team led to the study. Environmental impacts have costs that directly impact on company’s bottom line, such as the costs associated with the generation of waste. Although environmental costs are only one of the many costs incurred by businesses, they deserve management’s attention. According to Jasch (2003), there is an apparent lack of awareness and understanding of the magnitude of the environmental costs generated by organisations, and many opportunities for cost savings through good environmental management are lost. However, using a relatively new tool in environmental management, that is, environmental management accounting (EMA), management would ensure that relevant and significant environmental costs are considered when making business decisions (Jasch, 2003). The main purpose of the thesis is to explore the level of awareness of environmental costs associated with hazardous waste within NCP Chlorchem (Pty) Ltd. In order to carry out the study, literature about environmental and cost accounting as well as literature on waste management was reviewed. Questionnaires were distributed to staff members, and meetings were held with different senior personnel. This case study seeks to answer the following questions: What is NCP Chlorchem (Pty) Ltd’s staff members’ level of understanding of waste management? What is the level of awareness of NCP Chlorchem (Pty) Ltd’s staff of environmental costs with regard to the generation, handling, transportation and disposal of hazardous waste? How can the current traditional accounting within the organisation be integrated with environmental management accounting? The findings of the first research objective revealed that staff members knew the site’s waste streams as per the South African legal definition of waste and as identified in the site’s environmental management system documentation. The conceptual approach to waste management is underpinned by the waste hierarchy. The respondents support the waste hierarchy in its approach to waste management, which is prevention of waste, reduction, reuse, recycle and safe disposal of waste as the last resort. Lack of awareness of environmental management, among other things, was cited as the cause of waste. In addition to that, the respondents believe the waste hierarchy can be achieved by employing recycling facilities, following procedures and by carrying out environmental awareness campaigns. Improving process design and control and including changes in raw material was cited, among other things, as the respondents’ perception on how waste can be reduced. The findings of the respondents’ understanding of waste hierarchy revealed that staff members understood waste management. The respondents cited the impacts of waste on the business as financial impact on the business, impact on their bonuses, and possible loss of business. In relation to the second research objective, it was found that staff members knew the hazardous waste streams and identified amongst other waste, sludge and chlorine emissions as NCP Chlorchem (Pty) Ltd’s hazardous waste. However, with regard to environmental management accounting data, an average of 55.1% of respondents were not familiar with the physical and monetary components of EMA. An average of 19.6% of respondents who were aware of EMA might have been senior personnel. It could further be established that those who were familiar with EMA information were actually working with the data, either for reporting purposes, or for employing waste minimisation strategies, as well as awareness purposes, to their juniors. On average, 80% of the respondents perceived the production department as the area within site that has the EMA information.
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Sorenson, Mary T. "Deterministic vs probabilistic ecological risk assessment modeling at hazardous waste sites : a comparative case study." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/25303.

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Lui, Kon-hung. "A preliminary study of the management of toxic, hazardous and difficult household wastes in Hong Kong /." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B17457208.

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文玉蘭 and Yuk-lan Catherine Man. "Cyanide waste management: technologies, economic aspects, and constraints." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B31253507.

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Книги з теми "Hazardous wastes Victoria Management"

1

L, Buckingham Phillip, and Evans Jeffrey C, eds. Hazardous waste management. New York: McGraw-Hill, 1994.

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2

K, Ostler Neal, and Nielsen John T, eds. Waste management concepts. Upper Saddle River, N.J: Prentice Hall, 1998.

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3

Basic hazardous waste management. 3rd ed. Boca Raton: Lewis Publishers, 2001.

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4

India. Central Pollution Control Board. National inventory of hazardous wastes generating industries & hazardous wastes management in India. Delhi: Central Pollution Control Board, Ministry of Environment & Forests, [Government of India], 2010.

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5

Hamilton, Fuller Wallace, and Willetts Stephen L, eds. The scientific management of hazardous wastes. Cambridge: Cambridge University Press, 2009.

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6

Ferrada, Juan J. Hazardous chemical waste management. New York: Garland Pub., 1990.

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7

J, Watts Richard. Hazardous wastes: Sources, pathways, receptors. New York: J. Wiley, 1998.

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8

Rosenfeld, Paul E. Risks of hazardous wastes. Amsterdam: Elsevier/William Andrew, 2011.

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9

R, Sheha Reda, and Someda Hanan H, eds. Hazardous waste: Classifications & treatment technologies. New York: Nova Science Publishers, 2008.

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Hazardous materials and hazardous waste management. 2nd ed. New York: John Wiley & Sons, 1999.

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Частини книг з теми "Hazardous wastes Victoria Management"

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Singh, Ajay, and Bill Mullin. "Hazardous Petroleum Wastes and Treatment Technologies." In Hazardous Waste Management, 313–27. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-95262-4_13.

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Allegri, Theodore H. "Hospital Handling of Hazardous Materials and Hazardous Wastes." In Handling and Management of Hazardous Materials and Waste, 321–26. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-1959-7_16.

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3

Wynne, Brian. "Risk Assessment and Regulation for Hazardous Wastes." In Risk Management and Hazardous Waste, 311–55. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-83197-3_10.

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Wynne, Brian. "Hazardous Wastes Risk Management and Environmental Regulation." In Risk Management and Hazardous Waste, 23–44. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-83197-3_2.

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Dowling, Michael, and Joanne Linnerooth. "The Listing and Classifying of Hazardous Wastes." In Risk Management and Hazardous Waste, 114–49. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-83197-3_5.

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Korcheva, Alexandra. "Basel Convention on the Control of Hazardous Wastes." In Encyclopedia of Sustainable Management, 1–5. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-02006-4_525-1.

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Wang, Lawrence, and Mu Wang. "13 Management, Recycling, and Disposal of Electrical and Electronic Wastes (E-Wastes)." In Advances in Industrial and Hazardous Wastes Treatment, 389–416. 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487–2742: CRC Press, 2017. http://dx.doi.org/10.1201/9781315164199-14.

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Bishop, Paul L. "Contaminant Leaching from Solidified—Stabilized Wastes." In Emerging Technologies in Hazardous Waste Management II, 302–15. Washington, DC: American Chemical Society, 1991. http://dx.doi.org/10.1021/bk-1991-0468.ch015.

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Taricska, Jerry, Jaclyn Taricska, Yung Hung, and Lawrence Wang. "6 Restaurant Waste Treatment and Management." In Advances in Industrial and Hazardous Wastes Treatment, 183–206. 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487–2742: CRC Press, 2017. http://dx.doi.org/10.1201/9781315164199-7.

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Edwards, Ronald E., Jack M. Sullivan, and Oscar E. Moore. "Recovery of Phosphates from Elemental Phosphorus-Bearing Wastes." In Emerging Technologies in Hazardous Waste Management V, 88–100. Washington, DC: American Chemical Society, 1995. http://dx.doi.org/10.1021/bk-1995-0607.ch008.

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Тези доповідей конференцій з теми "Hazardous wastes Victoria Management"

1

Li, YongChao, Yiling Fang, Ping Lou, and Junwei Yan. "Design and implementation of a hazardous wastes proportioning management system." In 2018 IEEE 15th International Conference on Networking, Sensing and Control (ICNSC). IEEE, 2018. http://dx.doi.org/10.1109/icnsc.2018.8361276.

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Citra, Ari Dina Permana, Purwanto Purwanto, Henna Rya Sunoko, and Sudarno Sudarno. "Hazardous industrial solid wastes management on the cosmetic packaging industry." In PROCEEDINGS OF 2ND INTERNATIONAL CONFERENCE ON CHEMICAL PROCESS AND PRODUCT ENGINEERING (ICCPPE) 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/1.5140957.

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3

Quaranta, N., M. Caligaris, H. López, and M. Unsen. "Working scheme for safe management of construction and demolition wastes containing hazardous substances." In THE SUSTAINABLE CITY 2010. Southampton, UK: WIT Press, 2010. http://dx.doi.org/10.2495/sc100441.

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Timmons, Dale M., and James H. Cahill. "Thermochemical Conversion of Asbestos Contaminated With Radionuclides and/or Other Hazardous Materials." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4705.

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Waste asbestos from abatement activities at Department of Energy (DOE) facilities is typically (as is most asbestos waste in the United States) disposed of in landfills. However, some of the asbestos from DOE facilities is contaminated with radionuclides, PCBs, metals regulated under the Resource Conservation Recovery Act (RCRA) and perhaps other regulated components that may require treatment instead of landfill disposal. Land disposal of waste is becoming less desirable to the public and does nothing to reduce the toxicity or the continued liability associated with these wastes. Methods for permanent destruction of these wastes are becoming more attractive as a final solution. One of the methods available for the destruction of asbestos-containing wastes is thermochemical conversion technology. ARI Technologies, Inc. was contracted by the National Energy Technology Laboratory (NETL) to conduct a technology deployment of its thermochemical conversion process. The purpose of the project was to: 1. “Destroy 10,000 lb. of asbestos-containing material (ACM), defined as asbestos fibers and binder by feeding it through an EPA-permitted asbestos destruction technology, such that the resultant materials are no longer considered to be asbestos in accordance with 40 CFR 61.155, Standard for Operation that Convert Asbestos-Containing Waste Materials Into Non-asbestos, and 2. Collect and analyse performance data for the deployed asbestos destruction technology.” In addition to the mandatory objectives, ARI conducted tests on the asbestos that were designed to evaluate the effectiveness of the technology for immobilization of toxic metals and surrogate radionuclides that are known to be present in DOE asbestos waste. This full-scale technology deployment demonstrated economical asbestos destruction and effective immobilization of lead, cadmium, barium and arsenic. Cerium oxide and non-radioactive cesium were also immobilized. Leach testing using EPA and DOE methods showed that leach performance surpassed regulatory criteria by at least one order of magnitude.
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Deckers, Jan, Rik Vanbrabant, Ronald Womack, and Mark Shuey. "Plasma Treatment of Problematic Waste." In ASME 2001 8th International Conference on Radioactive Waste Management and Environmental Remediation. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/icem2001-1234.

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Abstract Worldwide a great deal of the low and medium radioactive waste inventory is mixed with hazardous wastes and different non-combustibles. The path to treating these wastes historically has been to sort combustibles from non-combustibles and process them separately through incineration, supercompaction, cementation or other encapsulating technologies. Special attention has to be taken due to the presence of hazardous constituents. The cost and health physics exposure for sorting these types of mixed wastes and treating the separated streams in specialized infrastructure is not optimal and leaves a great potential for further optimization. After several years of development, a commercially available high temperature treatment system has been developed and installed that treats heterogeneous low-level radioactive waste. High temperature plasma processing and unique torch design and operating features make it feasible to achieve a volume reduced, permanent, high integrity waste form while eliminating the personnel exposure and cost associated with sorting, characterizing and handling. Plasma technology can also be used to recondition previous conditioned waste packages that don’t meet any longer the present acceptance criteria for final disposal. Plasma treatment can result in many cases in a substantial volume reduction, lowering the final disposal costs. This paper covers the unique plasma centrifugal treatment principles and history. It also explains the roles of international partners that blend plasma, off gas treatment and nuclear expertise into one “best developed and available technology” (BDAT) for the treatment of problematic wastes.
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Cassidy, Helen. "Oil Immobilization Program at Sellafield: An Innovative Approach." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7065.

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Non-standard wastes — those defined as being both hazardous waste under the United Kingdom Hazardous Waste Regulations 2005 [1] and radioactive under the Radioactive Substances Act 1993 [2] — pose particular, unique challenges for radioactive waste management organizations [3]. Treatment and disposal routes for such wastes are limited, in some cases non existent, and generally not cost effective. A non-standard waste of particular concern in the United Kingdom, and indeed on the Sellafield site, is that of radiologically contaminated waste oil. The optioning process for treatment of bulk contaminated waste oil on the Sellafield site has assessed a range of options including incineration, chemical decontamination, physical decontamination and immobilization. Immobilization has proved to be a potentially useful option for oil wastestreams that fail to meet waste acceptance criteria for incineration facilities. Experimental development work has been undertaken at Sellafield during 2006 to test the suitability of an innovative technology for the solidification of waste oil with a cross section of wastestreams from the site. These trials have demonstrated that this polymer system is able to successfully immobilize a range of aged, chemically and physically diverse contaminated oil wastestreams and thus provide a potential solution to the disposal problem posed by this wastestream.
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Prince, Robert E., and Bradley W. Bowan. "Lessons Learned Siting and Successfully Processing U.S. DOE Radioactive Wastes Using a High Throughput Vitrification Process." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4836.

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This paper describes actual experience applying a technology to achieve volume reduction while producing a stable waste form for low and intermediate level liquid (L/ILW) wastes, and the L/ILW fraction produced from pre-processing of high level wastes. The chief process addressed will be vitrification. The joule-heated ceramic melter vitrification process has been used successfully on a number of waste streams produced by the U.S. Department of Energy (DOE). This paper will address lessons learned in achieving dramatic improvements in process throughput, based on actual pilot and full-scale waste processing experience. Since 1991, Duratek, Inc., and its long-term research partner, the Vitreous State Laboratory of The Catholic University of America, have worked to continuously improve joule heated ceramic melter vitrification technology in support of waste stabilization and disposition in the United States. From 1993 to 1998, under contact to the DOE, the team designed, built, and operated a joule-heated melter (the DuraMelterTM) to process liquid mixed (hazardous/low activity) waste material at the Savannah River Site (SRS) in South Carolina. This melter produced 1,000,000 kilograms of vitrified waste, achieving a volume reduction of approximately 70 percent and ultimately producing a waste form that the U.S. Environmental Protection Agency (EPA) delisted for its hazardous classification. The team built upon its SRS M Area experience to produce state-of-the-art melter technology that will be used at the DOE’s Hanford site in Richland, Washington. Since 1998, the DuraMelterTM has been the reference vitrification technology for processing both the high level waste (HLW) and low activity waste (LAW) fractions of liquid HLW waste from the U.S. DOE’s Hanford site. Process innovations have doubled the throughput and enhanced the ability to handle problem constituents in LAW. This paper provides lessons learned from the operation and testing of two facilities that provide the technology for a vitrification system that will be used in the stabilization of the low level fraction of Hanford’s high level tank wastes.
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8

Oboirien, Bilainu O., P. E. Molokwane, and Evans M. N. Chirwa. "Bioremediation of Organic Pollutants in a Radioactive Wastewater." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7014.

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Bioremediation holds the promise as a cost effective treatment technology for a wide variety of hazardous pollutants. In this study, the biodegradation of organic compounds discharged together with radioactive wastes is investigated. Nuclear process wastewater was simulated by a mixture of phenol and strontium, which is a major radionuclide found in radioactive wastewater. Phenol was used in the study as a model compound due to its simplicity of molecular structure. Moreover, the biodegradation pathway of phenol is well known. Biodegradation studies were conducted using pure cultures of Pseudomonas aeruginosa and Pseudomonas putida. The rate of phenol degradation by both species was found to be higher in the test without strontium. This suggests some degree of inhibition in the degradation of phenol by strontium. There was no phenol degradation in the sterile controls. The results indicate the feasibility of the biodegradation of organic pollutants discharged in radioactive effluents by specialised microbial cultures.
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9

Pacovsky, Jaroslav, Radek Travnicek, and Radek Vasicek. "Some Results From Geotechnical Research on Bentonite." In ASME 2001 8th International Conference on Radioactive Waste Management and Environmental Remediation. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/icem2001-1240.

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Abstract A solution of safe isolation of radioactive waste represents a multidisciplinary problem. The waste isolation is to be provided by a multi-barrier system of an underground repository based on a system of several barriers. The system will consist of a container with high level radioactive wastes itself, an engineering barrier — currently intended to be based on ‘bentonites’ — and natural barrier formed with a suitable rock environment. Each of those barriers alone should prevent spreading of hazardous radionuclides from the container to the biosphere. In its main part, this paper deals with laboratory research of some most important geotechnical requirements for the engineering barrier, assumedly based on bentonites materials. The group of tested properties contains: • Hydrophysical properties - permeability, swelling ability, Atterberg’s consistency limits • Physico-technical properties - thermal properties • Rheology Creation of mathematical and physical models forms an independent part of the complex research project for materials of the geotechnical part of the engineering barrier. In the conclusion a short consideration on a prepared physical model of container has been made.
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10

Castilla, Alejandro, Michaela Zeuss, and Michaela Schmidt. "Circular Economy in the Oil and Gas Exploration and Production: Resource Recovery from Drill Cuttings and other Oily Wastes." In Abu Dhabi International Petroleum Exhibition & Conference. SPE, 2021. http://dx.doi.org/10.2118/208062-ms.

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Анотація:
Abstract With an increasing awareness of minimising the environmental footprint combined with the inclusion of circularity in the oil and gas industry, stricter laws and therefore more rigorous treatment targets will have to be implemented in the waste/resource management. Increasingly complex solid and liquid waste streams result in the further need to implement safer, more advanced technologies. Emission levels, resource recovery, energy efficiency, worker safety, and input material flexibility will become key assessment factors. The vacuum thermal desorption process allows for the recovery of resources from different industrial hazardous wastes. At the core of the process is a specially designed vacuum evaporator chamber utilizing indirect heat and controlled vacuum to evaporate contaminants. With this process, resources can be recovered and solids/mineral fractions decontaminated therefore minimising the hazardous waste and bringing valuable resources back into the value chain. A wide range of input materials, independently from their consistency, can be treated using the same process, as a result of the batch-wise working principle of the vacuum evaporator. The process reduces air emissions derived from two sources. One originates from the thermal oil heating system (flue gas), the other from the vacuum desorption process (exhaust). For the latter, in an oily waste recycling facility that processes approximately 30,000 tonnes per year, &lt;&lt;100 m3/h are emitted, of which on average 96 % are nitrogen. Regarding resource recovery, typical output material parameters include clean solids with a TPH (up to C40) content &lt; 0.5 %, oil in product quality with a recovery rate &gt; 99.5 %, and clean water for moistening of the solids. Highest energy efficiency is achieved because the vacuum reduces the boiling point of the hydrocarbons by more than 100 °C. In addition, the recovered oil can be used as fuel to run the equipment. In conclusion, resources will be recovered and therefore hazardous waste reduced, emissions decreased and highest safety for workers observed. Aside from the above stated advantages of using indirectly heated thermal desorption, this process also offers the possibility to be operated using renewable energy. Therefore, guaranteeing zero emissions supporting the health & safety of our environment and its people.
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