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%, respectively, the grade of Zn of marmatite concentrate is 42.5%, and the recovery of Zn is 91.25%. Key words: flotation; pulp potential; N,N’ diphenylamino-dithiolphosphoric acid; lead-silver-zinc ores... by Stages technique to improve the flotation performance of the lead-silver-zinc ores, especially enhance the grade and recovery of silver. The performance of the control system is given......
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......
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J. Cent. South Univ. (2016) 23: 3284-3292 DOI: 10.1007/s11771-016-3394-4 Nonlinear characteristics of induced spontaneous combustion process of sulfide ores PAN Wei(潘伟)1, WU Chao(吴超)1, LI Zi-jun(李孜军... combustion tendency of sulfide ores, nine different sulfide ore samples were taken from a pyrite mine in China, and induced spontaneous combustion experiment was carried out in the laboratory. Different stages......
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Mechanism of mechanical activation for sulfide ores HU Hui-ping(胡慧萍)1, 2, CHEN Qi-yuan(陈启元)1, YIN Zhou-lan(尹周澜)1, HE Yue-hui(贺跃辉)2, HUANG Bai-yun(黄伯云)2 1. Institute of Metallurgical...) and scanning electron microscopy(SEM), respectively. Based on the above structural changes for mechanically activated sulfide ores and related reports by other researchers, several qualitative rules......
(Central South University), Changsha 410083, China)Abstract:For the low-grade copper sulfide ores with 0.99% of copper, of which 41.5% was primary copper sulfide, and 54.5% was secondary copper sulfide, well-controlled column bioleaching on a novel equipment was carried out to investigate the optimal conditions of pre-leaching, particle sizes of ores, temperature, spray intensity and strain consortium......
NEW FLOTATION TECHNOLOGY OF REFRACTORY GRAPHITE ORES IN PINGHE MINE黎军,李继业摘 要:<正>Pinghe graphite of Sichuan Province is the fine graincrypto-crystal mixed refractory graphite ores.This paper introduces a newflotation technology on this kind of ores of one time rough grinding-rougher flotation-scavenger flotation-five times regrindings......
-grade refractory molybdenum ores using kerosene aerosol. The results revealed that the particle size and concentration of kerosene aerosol had little effect on the Mo grade but had significant effect......
[3-6]. Silver ions are the most effective catalyst that has been proposed in the bioleaching of chalcopyrite, but the processes using silver ion are costly and unless ores contain silver minerals... Catalytic effect of activated carbon on bioleaching of low-grade primary copper sulfide ores ZHANG Wei-min(张卫民)1, GU Shi-fei(谷士飞)2 1. School of Civil and Environmental Engineering, East China......
