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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......
J. Cent. South Univ. (2016) 23: 1611-1617 DOI: 10.1007/s11771-016-3215-9 Determination of gold nanoparticles in natural water using single particle-ICP-MS LONG Chen-lu(龙晨璐)1, YANG Zhao-guang(杨兆光)1... of nanomaterials. Single particle-inductively coupled plasma mass spectrometry (SP-ICP-MS) was investigated to detect the size of gold nanoparticles (AuNPs) in this work. Discrimination of particle......
J. Cent. South Univ. (2020) 27: 1416-1423 DOI: https://doi.org/10.1007/s11771-020-4377-z Well-controlled stirring tank leaching to improve bio-oxidation efficiency of a high sulfur refractory gold... refractory gold concentrate with 41.82% sulfur and 15.12 g/t gold, of which 82.11% was wrapped in sulfide, a well-controlled stirring tank leaching was carried out to improve the bio-oxidation......
. [13] 朱晓光, 席晓丽, 聂祚仁, 等. 响应面法优化废印刷线路板的金萃取条件[J]. 中国有色金属学报, 2013, 23(6):1739-1745. ZHU Xiaoguang, XI Xiaoli, NIE Zuoren, et al. Optimization of extraction of gold from waste printed circuit board using... gravity separation of a quartz vein type gold ore using response surface methodology CHEN Qiao1, CHEN Guimin2, TONG Linlin1, LIN Yiren1, YANG Hongying1 (1. School of Metallurgy, Northeastern University......
J. Cent. South Univ. (2018) 25: 543-549 DOI: https://doi.org/10.1007/s11771-018-3759-y Recycling and depolymerization of waste polyethylene terephthalate bottles by alcohol alkali hydrolysis SUN... hydrolysis method was explored for the preparation of terephthalic acid (TPA) from waste polyethylene terephthalate (PET). First, a series of single factor experiments on the depolymerization rate of waste......
Novel technology on preparation of double-layered pellets for sulfur and arsenic-bearing gold concentratesYANG Yong-bin(杨永斌), CUI Li-na(崔丽娜), LI Xi-shan(李希山), LI Qian(李骞), JIANG Tao(姜涛), GE Jie(戈捷...-bearing gold concentrates. In this process, preparation of DLPs is a fundamental step which is required to produce DLPs with favorable mechanical strength and thermal stability. Studies were carried......
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and metallogenetic age of Zhuanghe gold deposit, Liaoning province, China WEI Jun-hao(魏俊浩), TAN Wen-juan(谭文娟), GUO Da-zhao(郭大招), TAN Jun(谭 俊), LI Yan-hua(李闫华), YAN Yun-fei(鄢云飞) (Faculty of Earth..., and Pb isotope and Rb-Sr dating were carried with MAT-261 multi-acceptor mass spectrometer. The results show that the δ18O values of gold-bearing vein quartz from different levels are 1.19%-1.42......
safety assessment of waste rock dump built on existing tailings pondsLI Quan-ming(李全明)1 , YUAN Hui-na(袁会娜)2, ZHONG Mao-hua(钟茂华)1(1. China Academy of Safety Science and Technology, Beijing 100012, China;2. State Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering,Tsinghua University, Beijing 100084, China)Abstract:The construction of waste rock dumps on existing......
