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Behavior of S2O32- and SO32- in sulfur-bearing aqueous solution system for gold leaching CHEN Xiang-yang(陈向阳)1, 2, LAN Xin-zhe(兰新哲)1, 2, ZHANG Qiu-li(张秋利)1, ZHOU Jun(周 军)1, SONG Yong... ____________________________________________________________________________________________ Abstract: The concentrations of S2O32- and SO32- were measured in gold leaching systems, including thiosulfate system, polysulfide system and the modified lime sulfur synthetic......
Trans. Nonferrous Met. Soc. China 27(2017) 220-226 Extraction of molybdenum and nickel from roasted Ni-Mo ore by hydrochloric acid leaching, sulphation roasting and water leaching Peng-fei XIAN... Abstract: To extract molybdenum and nickel from the roasted Ni-Mo ore, a process of hydrochloric acid leaching, sulphation roasting and water leaching was investigated. The results showed that this process......
J. Cent. South Univ. (2018) 25: 2380-2386 DOI: https://doi.org/10.1007/s11771-018-3922-5 Leaching of chalcopyrite: An emphasis on effect of copper and iron ions YANG Cong-ren(杨聪仁)1, 2, JIAO Fen(焦芬... Abstract: Many researchers found that the Fe2+ together with less amount of Cu2+ can accelerate the leaching of chalcopyrite. In this work, the leaching of chalcopyrite with Cu2+ was investigated......
by reduction process, solvent extraction, precipitating vanadium with ammonium water, and pyrolysis from the stone-coal oxygen pressure acid-leaching solution. The total recovery efficiency of vanadium... technology. The brief ?ow of the classical technology includes chloridizing roasting, water leaching, deposition, alkali melting and thermal decomposition. This classical technology has two main problems......
Metallurgy Review, 2000, 21(6): 527-600. [12] WHITTINGTON B I, MCDONALD R G, JOHNSON J A, MUIR D M. Pressure acid leaching of Bulong nickel laterite ore. Part I: Effect of water quality [J...J. Cent. South Univ. Technol. (2010) 17: 765-769 DOI: 10.1007/s11771-010-0554-9 Extraction of valuable metals from low-grade nickeliferous laterite ore by reduction roasting-ammonia leaching method......
Trans. Nonferrous Met. Soc. China 23(2013) 3770-3779 Water leaching kinetics and recovery of potassium salt from sintering dust Guang ZHAN, Zhan-cheng GUO State Key Laboratory of Advanced Metallurgy...-AES, SEM-EDS and XRD to examine the strengthening measures of leaching potassium salt from the sintering dust by water. The results showed that the main component of the sintering dust was iron......
were obtained by screen separation. Leaching tests were performed in a 1.5 L glass vessel which was placed in a water bath with temperature control. The cover of the vessel was fitted with baffles... Selective leaching of nickel from low-sulfur Ni-Cu matte at atmospheric pressure FU Yan(符 岩)1, LI Bin-chuan(李斌川)1, FAN Chuan-lin(范川林)1, ZHAI Xiu-jing(翟秀静)1, ZHANG Xi-jun(张希军)1, LI......
Trans. Nonferrous Met. Soc. China 28(2018) 534-541 Migration and distribution of saline ions in bauxite residue during water leaching Xiang-feng KONG1,2, Xing-xing JIANG1,2, Sheng-guo XUE1,2, Ling... to the environment and restricts vegetation establishment in bauxite residue disposal areas. A novel water leaching process proposed here was used to investigate the dynamic migration and vertical distribution......
J. Cent. South Univ. Technol. (2008) 15: 679-683 DOI: 10.1007/s11771-008-0126-4 Leaching kinetics of low grade zinc oxide ore in NH3-NH4Cl-H2O system WANG Rui-xiang(王瑞祥)1, 2, TANG Mo-tang(唐谟堂)1...; Abstract: The leaching kinetics of low grade zinc oxide ore in NH3-NH4Cl-H2O system......
Leaching of magnesium from desiliconization slag of nickel laterite ores by carbonation process MU Wen-ning(牟文宁)1, ZHAI Yu-chun(翟玉春)2, LIU Yan (刘 岩)2 1. Department of Materials Science... 2009; accepted 30 December 2009 ____________________________________________________________________________________________ Abstract: The leaching of magnesium from desiliconization slag of nickel......