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that the total consumption of NaOH in alkaline leaching is only 40% of those theoretically calculated under the conditions of full oxidization at the same oxidation of arsenic to ar-senate and sulfur...A new extraction process of refractory gold arsenosulfide concentratesYuqun Meng Tao Jin, Minjie Wu, Shaoling Su, and Longbao Wang1)Laboratory of Special Preparing and Processing Technology......
VACUUM-THERMAL ARSENIC EXTRACTION FROM GOLD-CONTAINING SULPHIDE CONCENTRATESIsakova R.A.,Chelokhsaev L.S.,Khrapunov B.E.,Spivak M.M.,Fedulov I.O.摘 要:<正> Arsenic is often occured in sulphide gold-containing ores and concentrates. The principal minerals of these materials are arsenopyrite (FeAsS), auripigment (As2S3), realgar(As2S2) and lollingite......
:1672-7207(2010)03-0852-07 Desulfuration of high sulfur bauxite by oxidation roasting HU Xiao-lian, CHEN Wen-mi, XIE Qiao-ling (School of Metallurgical Science and Engineering, Central South University, Changsha 410083,China) Abstract: Using the two kinds of ore from Henan province, the oxidation roasting process of the desulfuration from the diasporic high sulfur bauxite was studied......
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Bioleaching of zinc from gold ores using Acidithiobacillus ferrooxidansPakawadee Kaewkannetra1,Francisco Jose Garcia-Garcia2,Tze Yen Chiu31. Department of Biotechnology,Faculty of Technology,Khon...">The present work investigated microbial leaching of zinc from ore using Acidithiobacillus ferrooxidans (ATCC 14859). The ore samples, consisted of 13wt% zinc, were obtained from a gold mine in north-eastern......
sulfur high arsenic gold concentrate[J]. Multipurpose Utilization of Mineral Resources, 2011(6): 10-12. [2] 金创石, 张廷安, 牟望重, 曾 勇, 刘 燕, 吕国志, 蒋孝丽. 难处理金矿浸出预处理过程的FeS2-FeAsS-H2O系电位-pH图[J]. 材料与冶金学报, 2011, 10(2... Hong-ying. Technology and progress in high pressure oxidation from refractory gold ores[J]. Gold, 2008, 29(1): 56-59. [5] 杨洪英, 杨 立, 魏绪钧. 氧化亚铁硫杆菌(SH-T)氧化毒砂的机理[J]. 中国有色金属学报, 2001, 11(2): 323-327. YANG......
Interfacial Behavior of Sulfur and Yttrium in Yttrium Modified Ni3Al-Based Alloy IC6 during High Temperature Oxidation Process XIAO Cheng-bo1,HAN Ya-fang1 (1.Beijing Institute of Aeronautical... of electron probe microstructural analysis(EPMA). The results show that the migration and segregation of sulfur to the interface between oxide scale and the substrate at high temperature is retarded owing......
, ARMSTRONG R. No mass-independent sulfur isotope fractionation in auriferous fluids supports a magmatic origin for Archean gold deposits [J]. Geology, 2013, 41: 791-794. [27] DONOGHUE K A, RIPLEY E M... the massive, veinlet, disseminated, banded, miarolitic, biological residual and brecciated structure. In addition, the sulfur isotopes of the metal sulfide were analyzed. The results show......
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