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New insights into the extraction of invisible gold in a low-grade high-sulfur Carlin-type gold concentrate by bio-pretreatmentXiao-bin Qiu1,2,Jian-kang Wen1,Song-tao Huang1,Hong-ying Yang2,Mei-lin...="ChDivSummary">To extract gold from a low-grade(13.43 g/t) and high-sulfur(39.94wt% sulfide sulfur) Carlin-type gold concentrate from the Nibao deposit, Guizhou, a bio-pretreatment followed by carbon......
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J. Cent. South Univ. (2020) 27: 1424-1431 DOI: https://doi.org/10.1007/s11771-020-4378-y Modeling heap biooxidation of arsenic-bearing gold ore LI Jia-feng(李佳峰)1, ZHONG Shui-ping(衷水平)2, TONG Lin..., part of Springer Nature 2020 Abstract: To design heap biooxidation process, it is necessary to understand its internal rules. The heap biooxidation of gold ore from Anhui province was researched......
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chrysosporium; pyrite; bio-dissolution; Carlin-type gold ores; electrochemistry 1 Introduction Carlin-type gold ores are a kind of refractory gold ores due to the micro-disseminated gold and the "preg... the disadvantages of the two-stage bio-oxidation process by the simultaneous treatment of sulfide minerals and carbonaceous matter in Carlin-type gold ores. 2 Experimental 2.1 Materials The pyrite sample......
Valence variation of arsenic in bioleaching process of arsenic-bearing gold ore CUI Ri-cheng(崔日成), YANG Hong-ying(杨洪英), CHEN Sen(陈 森), ZHANG Shuo(张 硕), LI Ke-feng(李科峰) School of Materials... leaching; arsenic resistance; oxidant; arsenic-bearing gold ore 1 Introduction Arsenic-bearing gold ore is a common......
Thermodynamics and technology of extracting gold from low-grade gold ore in system of NH4Cl-NH3-H2O JU Shao-hua(巨少华), TANG Mo-tang(唐谟堂), YANG Sheng-hai(杨声海) School of Metallurgical Science... can not. The leaching results of a cuprous gold ore show that the extraction of gold can reach 80% in this system. The preliminary results of reduction with copper and zinc powders show......
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. References [1] QIU Xiao-bin, WEN Jian-kang, HUANG Song-tao, YANG Hong-ying, LIU Mei-lin, WU Biao. New insights into the extraction of invisible gold in a low-grade high-sulfur Carlin-type gold... high clay carlin-type gold concentrates containing arsenic and carbon [J]. Chinese Journal of Rare Metals, 2013, 37(5): 783-790. DOI: 10.3969/j.issn.0258-7076.2013.05. 017. (in Chinese) [25] WANG Jun......
J. Cent. South Univ. (2016) 23: 1584-1590 DOI: 10.1007/s11771-016-3212-z Acid leaching decarbonization and following pressure oxidation of carbonic refractory gold ore ZHANG Du-chao(张杜超)1, 2, XIAO... refractory gold ore and the following pressure oxidation were studied. In the carbonate decomposition procedure, the effects of liquid-to-solid ratio and reaction time on decomposition ratio......