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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......
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Research on Technology of Pressure Pretreatment with Oxygen for Refractory Gold Ores Sun Tichang1,Wang Dianzuo2,Liu Shengming1,Chen Jinghe3 (1.Mineral Processing Department of Civil..., China) Abstract:An combined technology of pressure pretreatment with oxygen on refractory gold ores is pointed out and discussed on this paper, according to the experiments included the test in 1kg......
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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Processing technologies for gold-telluride oresWilliam RichmondDepartment of Applied Chemistry,Curtin University of Technology摘 要:Gold telluride ores are important gold refractory ores due to the presence of sulfides and other gangue materials.The classification and main physical properties of gold telluride ores were described,and possible treatment......
Kinetics of leaching refractory gold ores by ultrasonic-assisted electro-chlorinationPing Zhu1), Xin-jiong Zhang1), Kun-fang Li1), Guang-ren Qian1), and Ming Zhou2) 1) College of Environmental...="ChDivSummary">The resources of refractory gold ores are abundant, and their effective treatment can bring good economic benefits. This paper in-vestigated the kinetics of leaching gold from refractory gold ores......
Pretreatment of copper-bearing refractory gold ores by bio-heap leachingYanling Sheng,Qiang Zhang, Huajun Wang, and Yanru Sheng Civil and Environmental Engineering School, University of Science... gold ores associated with rich copper and trapped in pyrite and quartz were studied. With conventional technique (all-sliming cyanidation), the gold recovery rate is only 51.78%. To eliminate......
. 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......