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="ChDivSummary" name="ChDivSummary"><正> Two sample groups of bulk concentrates consisting mainly of pyrite and chalcopyrite from Daye and Chenghchao Minesin Hubei Province of China were used to investigate the effect of the action time of lime on its depressive ability for pyrite. The ex-perimental results conducted with different samples and collectors showed that the action time between......
电沉积FeS2(Pyrite)薄膜的制备与性能研究 段鹤1,陈艳华1,董有忠1,张校刚2,郑毓峰1,孙言飞1 (1.新疆大学,物理系,新疆,乌鲁木齐,830046;2.新疆大学,化工学院,新疆,乌鲁木齐,830046) 摘要:采用含铁和硫元素的水溶液电沉积制备了FeS2薄膜,并在硫氛围中退火获得样品.研究了样品的微结构和光吸收以及电学性质.结果表明薄膜样品晶相单一,晶粒尺寸约为100nm,光吸收系数随沉积时间增加略有增大,电阻率随薄膜沉积时间的增加而减小.为防止薄膜脱落,在沉积过程中使用了阳离子表面活性剂,得到了均匀且粘附性较强的膜. 关键词:电沉积; FeS2(黄铁矿); X射线衍射; [全文内容正在添加中] ......
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Existing forms of REE in gold-bearing pyrite of the Jinshan gold deposit,Jiangxi Province,China毛光周1,2,华仁民2,高剑峰2,3,李伟强2,赵葵东2,龙光明2,陆慧娟21. State Key Laboratory of Continental Dynamics,Department... problems related with REE.This paper tried to make it clear the existing forms of REE in gold-bearing pyrite in Jinshan gold deposit by stepwise dissolution test with ICP-MS analysis.Results showed......
Bioleaching of pyrite by A. ferrooxidans and L. ferriphilum ZHANG Lin(张 麟), QIU Guan-zhou(邱冠周), HU Yue-hua(胡岳华), SUN Xiao-jun(孙小俊), LI Jian-hua(李建华), GU Guo-hua(顾帼华) School of Minerals...; Abstract: Pyrite oxidation rates were examined under various conditions in the presence......
, the dissolution rates of chalcocite and pyrite are controlled by redox potentials. Experiment on the bioleaching of chalcocite and pyrite under constant redox potential by sparging with nitrogen gas......
Quantum chemical study of adsorption of hydroxyl and hydroxyl calcium on pyrite (100) surface bearing vacancy defectsCHEN Jian-hua1, 2, LI Yu-qiong2, ZHONG Shui-ping1, GUO Jin3(1. Zijin Mining Group Co...-vacancy on the adsorption of hydroxyl and hydroxyl calcium on the pyrite surface were investigated, respectively, by density functional theory (DFT). The calculation results indicate that Fe-vacancy......
Trans. Nonferrous Met. Soc. China 22(2012) 1250-1254 Electrochemical oxidation behavior of pyrite bioleaching by Acidthiobacillus ferrooxidans GU Guo-hua1, SUN Xiao-jun1,2, HU Ke-ting1, LI...., Huangshi 435005, China Received 9 May 2011; accepted 30 August 2011 Abstract: The electrochemical oxidation behavior of pyrite in bioleaching system of Acidthiobacillus ferrooxidans was investigated......
; 文献标识码:A Preparation of high quality magnetite concentrate from pyrite cinder by composite pellet reduction-roasting and magnetic-separation ZHU De-qing1, LI Jian1, LI Qing-chun2, PAN...., Dexing 334202, China) Abstract: A new technology of composite pellet reduction-roasting and magnetic-separation (CPRM) was developed for utilization of pyrite cinder, a common by-product in vitriol......