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Trans. Nonferrous Met. Soc. China 31(2021) 1784-1795 Selective depression of copper-activated sphalerite by polyaspartic acid during chalcopyrite flotation Qian WEI, Fen JIAO, Liu-yang DONG, Xue-duan... flotation reagent, polyaspartic acid (PAPA), was tested as a potential selective depressant in the flotation separation of chalcopyrite and Cu-activated sphalerite. The depression mechanism of PAPA......
; accepted 8 April 2021 Abstract: Polyaspartic acid (PASP) was used as a novel environmental-friendly depressant, and its inhibition effect on flotation performance of scheelite and calcite using sodium.... Key words: polyaspartic acid; scheelite; calcite; flotation separation; inhibition 1 Introduction Scheelite is one of the major tungsten ores which have industrial exploitation value, and it should......
Inhibition mechanism of aspartic acid on crystal growth of hydroxyapatite HUANG Su-ping(黄苏萍), ZHOU Ke-chao(周科朝), LI Zhi-you(李志友) State Key Laboratory of Powder Metallurgy, Central South...; Abstract: The effects of aspartic acid on the crystal growth, morphology of hydroxyapatite(HAP) crystal were investigated, and the inhibition......
Pressure acid leaching of zinc sulfide concentrate GU Yan(古 岩), ZHANG Ting-an(张廷安), LIU Yan(刘 燕), MU Wang-zhong(牟望重), ZHANG Wei-guang(张伟光),DOU Zhi-he(豆志河), JIANG Xiao-li(蒋孝丽) Key... temperature, solid-to-liquid ratio and additive amount on pressure acid leaching process of the zinc sulfide concentrate were studied. The results indicate that the additive can improve the reaction......
Synergistic extraction of cerium from sulfuric acid medium using mixture of 2-ethylhexyl phosphonic acid mono 2-ethylhexyl ester and Di-(2-ethyl hexyl)phosphoric acid as extractant LIU Ying1,HUANG... 100088, China) Abstract:Synergistic extraction of cerium(IV) from sulfuric acid medium using mixture of 2-ethylhexyl phosphonic acid mono 2-ethylhexyl ester(HEH/EHP, HL) and Di-(2-ethyl hexyl......
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; Erosion characteristic of slope sandstone soaking in acid mine drainage JIANG Li-chun(姜立春)1, CHEN Jia-sheng(陈嘉生)2, WU Ai-xiang(吴爱祥)2 (1. Institute of Safety Engineering, South China University of Technology, Guangzhou 510640, China; 2. School of Resources and Safety Engineering, Central South University, Changsha 410083, China) Abstract: Acid mine......
Pressure acid leaching of black shale for extraction of vanadium LI Min-ting(李旻廷), WEI Chang(魏 昶), FAN Gang(樊 刚), LI Cun-xiong(李存兄),DENG Zhi-gan(邓志敢), LI Xin-bin(李兴彬) Faculty of Metallurgical... ____________________________________________________________________________________________ Abstract: Extraction of vanadium from black shale was attempted in pressure acid leaching. The chemical components of the sample obtained from Guizhou Province of China......
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