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Microbial leaching of marmatite by Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans WANG Jun(王 军), QIU Guan-zhou(邱冠周), QIN Wen-qing(覃文庆), ZHANG Yan-sheng(张雁生) School... was studied. After leaching for 29 days, the leaching ratio of zinc was 91%. Three kinds of bacteria, mixture-based bacteria, 9K-based bacteria and sulfur-based bacteria were used in marmatite leaching......
Intensification of pretreatment and pressure leaching of copper anode slime by microwave radiationYANG Hong-ying(杨洪英)1, MA Zhi-yuan(马致远)1, 2, HUANG Song-tao(黄松涛)2, LV Yang(吕阳)1, XIONG Liu(熊柳)1(1... 100088, China)Abstract:The application of microwave irradiation for pretreatment of copper anode slime with high nickel content prior to pressure sulfuric acid leaching has been proposed. The microwave......
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leaching in germ-free system OU Le-ming(欧乐明), HE Rong-quan(何荣权), FENG Qi-ming(冯其明) (School of Resources Processing and Bioengineering, Central South University, Changsha 410083, China) Abstract: The effect of mineral particle size, pulp potential and category of oxidant on pyrite leaching was studied. The results show that a smaller mineral particle size leads to a higher leaching rate of pyrite......
J. Cent. South Univ. Technol. (2010) 17: 967-971 DOI: 10.1007/s11771-010-0585-2 Zinc leaching from electric arc furnace dust in alkaline medium LI Hong-xu(李宏煦)1, 2, WANG Yang(王洋)1, 2, CANG Da... and chemical properties of electric arc furnace (EAF) dust from Tianjin seamless Pipe Company were measured and analyzed. The zinc leaching tests in alkaline medium were carried out under variation of leaching......
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of grinding media with arsenopyrite and pyrite and its effect on gold cyanide leaching[J]. Minerals Engineering, 2017, 56. [18] 李 骞, 沈 煌, 张 雁, 齐 伟, 罗 君, 徐 斌, 杨永斌. 硫脲浸金研究进展[J]. 黄金, 2018, 39(1): 66-69. LI Qian..., ZHAO Zhi-qiang, LUO Si-gang, ZHAO Jie. Development status and application prospect of non-cyanide gold leaching technology[J]. Gold, 2008, 39(4): 53-58. [28] 赵留成. 载金硫化物中性焙烧-非氰浸金过程的研究[D]. 北京: 北京科技大学......
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treatment-cyanide leaching[J]. The Chinese Journal of Nonferrous Metals, 2006, 16(2): 363-369. [21] 陈 景, 黄 昆, 陈奕然, 赵家春, 李奇伟, 杨秋雪. 加压氰化处理铂钯硫化浮选精矿全湿法新工艺[J]. 中国有色金属学报, 2004, 14(1): 41-46. CHEN Jing, HUANG Kun..., 2006, 30(3): 369-375. HUANG Kun, CHEN Jing, CHEN Yi-ran, ZHAO Jia-chung, LI Qi-wei, YANG Qiu-xue. Hydrometallurgical pressure cyanide leaching process for treating low-grade Pt-Pd flotation concentrates......