Relevant bibliographies by topics / Serpentine mine tailings

Academic literature on the topic 'Serpentine mine tailings'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Serpentine mine tailings"

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Yuan, Xuyin, Yimin Wang, Doudou Tang, Xiaohui Zhang, Lei Zhang, and Haiyan Zhang. "Distribution and Phytoavailability of Potentially Toxic Metals in Different Fe/Mg Mine Tailings." International Journal of Environmental Research and Public Health 15, no. 11 (November 6, 2018): 2475. http://dx.doi.org/10.3390/ijerph15112475.

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The environmental risk of potentially toxic metals in tailing soils is of universal concern. We conducted a 3-month pot experiment to research the distribution and variations of potentially toxic metals (PTMs), and the translocation and accumulation capability of these metals (Cr, Ni, Mn, Cu, Zu) in natural plants for three Fe/Mg tailing soils (serpentine-type, olivine-type and magnetite-type) with growth of a grass plant-Imperata cylindrica. We used comparative analysis, regression analysis and correlation analysis to process relevant experimental data. Results showed the rhizosphere tailing soils decreased from 3.70% to 16.8%, compared to the bulk soils, after growth of Imperata cylindrica, and the acid soluble fraction of Mn, Cu and Zn increased significantly. Cu and Zn were more bioavailable than other PTMs, especially for serpentine-type tailing soils. Linear regression analysis indicated that non-residual fractions showed different effects on metal concentrations of Imperata cylindrica. The non-residual metal fractions of serpentine-type and olivine-type tailing soils showed better correlations with metal concentrations in grass plants than those of magnetite-type tailing soils. We found that the chemical compositions of tailing soils showed remarkable effects on Ni and Mn compared with other elements, especially Mg and Al. Overall, the grass plant can alter the metal distribution, enhance metal bioavailability and promote land use of Fe/Mg tailing soils.
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Ho, Cheng-Ping, Zeng-Yei Hseu, Yoshiyuki Iizuka, and Shih-Hao Jien. "Chromium Speciation Associated with Iron and Manganese Oxides in Serpentine Mine Tailings." Environmental Engineering Science 30, no. 5 (May 2013): 241–47. http://dx.doi.org/10.1089/ees.2012.0046.

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Lu, Dian Kun, Li Fang Shi, and Zhe Nan Jin. "Research on Chloride Leaching of Cu, Zn and Ag from Flotation Tailings." Advanced Materials Research 391-392 (December 2011): 1138–42. http://dx.doi.org/10.4028/www.scientific.net/amr.391-392.1138.

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Mineralogical examinations of Asheler copper mine flotation tailings have been carried out. Results show that the major metal sulphide minerals are pyrite and the main gangue constituents are quartz, chlorite-serpentine and muscovite. The main valuable metals are Cu, Zn and Ag. Basic mineral compositions of copper and zinc have been identified through chemical phase analysis. On the basis of mineralogical examinations, leaching test has been carried out in about 240g/l NaCl solution. The optimum conditions for leaching are found as follows: temperature at 86°C, pulp concentration is 24.19%wt, [Cu2+] =19.22g/l, [HCl] initial =0.17mol/L. Under these conditions, chloride leaching can extract 83.35%Cu, 92.10%Zn, and 85.26%Ag after 8 hours leaching.
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Hsiao, Kai-Hsun, Po-Hsu Kao, and Zeng-Yei Hseu. "Effects of chelators on chromium and nickel uptake by Brassica juncea on serpentine-mine tailings for phytoextraction." Journal of Hazardous Materials 148, no. 1-2 (September 2007): 366–76. http://dx.doi.org/10.1016/j.jhazmat.2007.02.049.

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Kabombo, Dieudonné, Dariush Azizi, Réjean Hébert, and Faïçal Larachi. "Multistep concentration of lizardite/antigorite from chrysotile mine tailings – case of the Carey Mine site in East-Broughton (Québec)." International Journal of Chemical Reactor Engineering 19, no. 5 (March 25, 2021): 483–98. http://dx.doi.org/10.1515/ijcre-2020-0242.

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Abstract Revalorization of mining residues is of central concerns to the mining industry and the environment. Specifically, environmental management of residual products from the exploitation of chrysotile in the Thetford Mines region is one of the government concerns in Quebec and Canada. This work uses mining wastes in a second resource generation for production of magnesium from cheap and health-friendly mineral sources; the goal being to produce chrysotile-depleted pre-concentrates for a use as precursors in the leach off extraction of magnesium. The concentration of lizardite/antigorite from chrysotile containing serpentine rock mine tailings originating from the Carey Mine site in East-Broughton (Québec) was carried out using a suite of hydrocyclone, settling/decantation and magnetic separations. Four size classes of the mining residue, namely (−3150,+1580), (−1580, +600), (−600, +300) and (−300, +150) μm, were tested with an aim to reduce the level of objectionable asbestos fibers to allow access to the safer Mg-bearing minerals contained in the mine waste sources. The asbestos fibers clean-up consisted of subjecting the sieved fractions to two hydrocyclone steps, six settling/decantation steps and two magnetic separation steps. The best results were achieved when the hydrocyclone separators led to Mg recovery of 85% (±4) for the coarsest size fraction size. Both hydrocyclone underflow streams underwent settling/decantation separations. The settling tests lasted 30 min and led to Mg recoveries of 82.5% (±1.8) of Mg in the ultimate concentrate. SEM characterizations revealed that it was possible to reduce substantially the amount of chrysotile fibers to render the coarse-sized fraction in the mining waste usable while significantly lowering the health risk of the fibers. A two-step magnetic separation was applied to the final settling/decantation underflow to remove magnetic minerals such as magnetite from the lizardite/antigorite concentrate. The final quasi-non-magnetic chrysotile-depleted lizardite/antigorite concentrate allowed sample recovery of 62.5% (±0.9) wt. of Mg. These preliminary results are intended as a first compulsory step in support of viable restoration and sustainable development scenarios for the Thetford Mines mining sites as second-breath sources for valuable magnesium.
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Wilson, S. A. "Verifying and quantifying carbon fixation in minerals from serpentine-rich mine tailings using the Rietveld method with X-ray powder diffraction data." American Mineralogist 91, no. 8-9 (August 1, 2006): 1331–41. http://dx.doi.org/10.2138/am.2006.2058.

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Zhu, P., L. Y. Wang, D. Hong, and M. Zhou. "A study of cordierite ceramics synthesis from serpentine tailing and kaolin tailing." Science of Sintering 44, no. 2 (2012): 129–34. http://dx.doi.org/10.2298/sos1202129z.

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Cordierite ceramics was synthesized using a composition prepared by the mixture of three different materials: waste serpentine mine tailing (WST), waste kaolin mine tailing (WKT) and alumina. The formation of cordierite was achieved with the solid-state sintering reactions at 1350?C for 3 h. The synthesized cordierite ceramics was characterized by X-ray diffractometer (XRD), thermal analysis (TG-DTA), and SEM-EDS (Scanning Electron Microscopy-Energy Dispersive Spectrometer). The XRD analysis results showed the cordierite with typical rhombic system as a major phase, and its compositions consisted of O, Al, Si and Mg by means of SEM-EDS.
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Tang, Min, Bao Liang Ge, and Shu Ming Wen. "Exploiting the Influence of Oxidization on Ultra-Fine Copper and Nickel Sulfide Containing Pt-Pd in Yunnan Mine." Advanced Materials Research 712-715 (June 2013): 760–63. http://dx.doi.org/10.4028/www.scientific.net/amr.712-715.760.

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It is known that oxidation is one of the most common ways for penlandite to be introducted into tailing during traditional coarse-particle sulfide flotation. However, it could become much more complicated and challenging problems for the low-grade, fine-disseminated Cu-Ni sulfides containing Pt and Pd in Yunnan Mine, accompanied with more than 75% of the content of MgO in the ore sample is. Direct flotation tests had been conducted to extract the metallic values as much as possible by adding traditional depressants and collectors, such as carboxylmethyl cellulose, starch, sodium silicate, butyl xanthate, (BX), butyl ammonium dithophosphate (BA) and etc., the relatively satisfied recoveries of Cu, Ni, Pt and Pd in the concentrate from bench flotation tests were obtained, however, more than 30% of metallic values still lost in the slime. In this study, bench flotation tests for the ore sample fromYunnan Mine, micro-flotation tests of serpentines and pentlandite from Jinchuan Mine and their settling rate tests were conducted to figure out how the oxidation influence the recovery of the ultra-fine nickel sulfide. All the tests results pointed to the presence of over-oxidation on the ultra-fine nickel sulfide surface and lead to the loss of Ni containing Pt and Pd in the slime tailing. Some methods which tried to slow the speed of oxidation on mineral surface during grinding and flotation were introduced in order to recover the values before over-oxidation of sulfides; however, the slime coating of serpentines also may play an important role in disturbing the floatability of ultra-fine sulfide.
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Turvey, Connor C., Siobhan A. Wilson, Jessica L. Hamilton, Alastair W. Tait, Jenine McCutcheon, Andreas Beinlich, Stewart J. Fallon, Gregory M. Dipple, and Gordon Southam. "Hydrotalcites and hydrated Mg-carbonates as carbon sinks in serpentinite mineral wastes from the Woodsreef chrysotile mine, New South Wales, Australia: Controls on carbonate mineralogy and efficiency of CO2 air capture in mine tailings." International Journal of Greenhouse Gas Control 79 (December 2018): 38–60. http://dx.doi.org/10.1016/j.ijggc.2018.09.015.

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Zeyen, Nina, Baolin Wang, Siobhan A. Wilson, Carlos Paulo, Amanda R. Stubbs, Ian M. Power, Matthew Steele-Maclnnis, et al. "Cation Exchange in Smectites as a New Approach to Mineral Carbonation." Frontiers in Climate 4 (June 23, 2022). http://dx.doi.org/10.3389/fclim.2022.913632.

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Mineral carbonation of alkaline mine residues is a carbon dioxide removal (CDR) strategy that can be employed by the mining industry. Here, we describe the mineralogy and reactivity of processed kimberlites and kimberlite ore from Venetia (South Africa) and Gahcho Kué (Canada) diamond mines, which are smectite-rich (2.3–44.1 wt.%). Whereas, serpentines, olivines, hydrotalcites and brucite have been traditionally used for mineral carbonation, little is known about the reactivity of smectites to CO2. The smectite from both mines is distributed as a fine-matrix and is saponite, Mx/mm+Mg3(AlxSi4−x)O10(OH)2·nH2O, where the layer charge deficiency is balanced by labile, hydrated interlayer cations (Mm+). A positive correlation between cation exchange capacity and saponite content indicates that smectite is the most reactive phase within these ultramafic rocks and that it can be used as a source of labile Mg2+ and Ca2+ for carbonation reactions. Our work shows that smectites provide the fast reactivity of kimberlite to CO2 in the absence of the highly reactive mineral brucite [Mg(OH)2]. It opens up the possibility of using other, previously inaccessible rock types for mineral carbonation including tailings from smectite-rich sediment-hosted metal deposits and oil sands tailings. We present a decision tree for accelerated mineral carbonation at mines based on this revised understanding of mineralogical controls on carbonation potential.
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Conference papers on the topic "Serpentine mine tailings"

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Honda-McNeil, Makoto, Siobhan Wilson, Andrew Locock, Benjamin Mililli, Nina Zeyen, Baolin Wang, Connor Turvey, et al. "Transition Metal Mobility and Recoverability from Weathered Serpentinite and Serpentinite Skarn Tailings from Lord Brassey Mine, Australia and Record Ridge, British Columbia, Canada." In Goldschmidt2022. France: European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.9650.

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Honda-McNeil, Makoto, Baolin Wang, Siobhan Wilson, Benjamin Mililli, Nina Zeyen, Connor Turvey, Colton Vessey, et al. "Transition Metal Mobility and Recovery from Weathered Serpentinite and Serpentinite Skarn Tailings from Lord Brassey Mine, Australia and Record Ridge, British Columbia, Canada." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.4827.

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Honda-McNeil, Makoto, Siobhan A. Wilson, Ben Millili, Nina Zeyen, Baolin Wang, Connor Turvey, and Simon Jowitt. "Transition Metal Mobility and Partitioning in Weathered Tailings, Serpentinite and Skarn from the Lord Brassey Mine, Tasmania, Australia." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.1056.

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