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Pressure leaching technique of smelter dust with high-copper and high-arsenic XU Zhi-feng(徐志峰), LI Qiang(李 强), NIE Hua-ping(聂华平) School of Materials and Chemical Engineering, Jiangxi... _____________________________________________________________________________________________________ Abstract: The application of pressure leaching technology in the treatment of high-copper and high-arsenic dust was studied. The pressure leaching technique was determined as follows......
Bacterial leaching of chalcopyrite and bornite with native bioleaching microorganism WANG Jun(王 军), QIN Wen-qing(覃文庆), ZHANG Yan-sheng(张雁生), YANG Cong-ren(杨聪仁), ZHANG Jian-wen(张建... such as biohydrometallurgy[1-3]. Bacterially-assisted heap leaching of low-grade copper sulphides is a developing technology that has been applied successfully to the extraction of copper from secondary sulphide......
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Crystal structure and thermal expansion of perovskites containing uranium (VI) and rare-earth elements Nikolai Chernorukov1,Aleksandr1,Anna Ershova1 (1.Nizhny Novgorod State University,Gagarin... was discovered. By means of high-temperature X-ray diffraction, phase transitions were studied and thermal expansion coefficients were determined. Key words:perovskite; uranium; X-ray diffraction; Rietveld......
solutions were presented from different aspects, including thermodynamics analysis, electrochemical dissolution, and leaching kinetics. Moreover, recent progress in in-situ generation of sulfur...A review of gold extraction using noncyanide lixiviants: Fundamentals,advancements, and challenges toward alkaline sulfur-containing leaching agentsChun-bao Sun1,2,Xiao-liang Zhang1,Jue Kou1,2,Yi......
Microbial leaching of marmatite by Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans WANG Jun(王 军), QIU Guan-zhou(邱冠周), QIN Wen-qing(覃文庆), ZHANG Yan-sheng(张雁生) School... was studied. After leaching for 29 days, the leaching ratio of zinc was 91%. Three kinds of bacteria, mixture-based bacteria, 9K-based bacteria and sulfur-based bacteria were used in marmatite leaching......
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Microstructure and Tribological Properties of In-situ Synthesized TiB2- TiC/Ni Based Composite Coating by Laser Cladding SUN Rong-lu1,YANG Xian-jin2,TANG Ying1 (1.Laser Technology Institute... was prepared on TC4 alloy surface by chemical reaction among Ti, B and C elements using laser cladding technique. Microstructural analysis showed that the sizes of in-situ synthesized TiB2 and TiC particles......
In-situ loading neutron-diffraction studies of a cobalt-based superalloy M. L. BENSON1, P. K LIAW1, H. CHOO1,2, T. A. SALEH1,3, D. W. BROWN3, M. R. DAYMOND4, X. L. WANG5, A. D. STOICA5, E. C.... Key words: cobalt-based superalloy; fcc phase; in-situ loading; neutron-diffraction; hcp phase 1 Introduction ULTIMET? alloy, a cobalt-based superalloy with a nominal composition given in Table 1[1......
