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, Jishou 416000, China Received 12 January 2015; accepted 28 December 2015 Abstract: The oxidative dissolution of metalliferous black shale in sulfuric acid solution using sodium persulfate as an oxidant was investigated. The effects of leaching factors including leaching temperature, leaching time, stirring speed, initial concentration of sodium persulfate and sulfuric acid and particle size......
Flotation separation of chalcopyrite from galena by sodium humate and ammonium persulfate Rui-zeng LIU1, Wen-qing QIN1, Fen JIAO1, Xing-jie WANG1, Bin PEI2, Yong-jun YANG2, Chun-hua LAI3 1. School... Mining Co., Ltd., Honghe 662400, China Received 3 March 2015; accepted 15 June 2015 Abstract: The flotabilities of chalcopyrite and galena with sodium humate (HA) and ammonium persulfate (APS......
was added to precipitate Li2CO3. The lithium recovery yield was close to 80%. Key words: lithium iron phosphate batteries; selective leaching; recovery; sodium persulfate; lithium carbonate Cite... friendly, and simple route for selective leaching and recycling of valuable metals from spent LIBs. 2 Experimental 2.1 Materials The chemical reagents used in this work include sodium persulfate, sulfuric......
Recovery of high specific area silica and sodium fluoride from sodium hexafluorosilicateXU Hui(徐徽), LI Gui(李贵), CHENG Jun-feng(程俊峰), LIU Wei-ping(刘卫平) (School of Metallurgy and Environment, Central South University, Changsha 410083, China)Abstract:Sodium fluoride and high specific area silica were synthesized by using sodium hexafluorosilicate (Na2SiF6) and sodium carbonate decahydrate (Na2CO3......
Flotation of Xinhua molybdenite using sodium sulfide as modifier YIN Wan-zhong(印万忠)1, ZHANG Li-rong(张丽荣)1, Xie Feng2 1. School of Resource and Civil Engineering, Northeastern...: The feasibility of using sodium sulfide as the sole modifier for the flotation of Xinhua molybdenite ore was examined. The potential mechanisms involved in the different flotation systems were discussed......
Spectra of sodium aluminate solutions MA Shu-hua(马淑花)1, 2, ZHENG Shi-li(郑诗礼)1, XU Hong-bin(徐红彬)1, ZHANG Yi(张 懿)1 1. Laboratory of Green Process and Engineering, Institute of Process Engineering...; Abstract: The UV spectra of sodium......
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J. Cent. South Univ. Technol. (2010) 17: 924-929 DOI: 10.1007/s11771-010-0578-1 Wettability and surfactivity of sodium phosphate surfactants in strong alkali solutions CHEN Sheng-hui(陈胜慧)1, 2..., surfactivity and the correlation between wettability and surfactivity of sodium diethylhexylphosphate, sodium diethylhexyl polyoxyethylene phosphate and their complex in NaOH solutions were studied......
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Electrochemical Intercalation of Sodium into Silicon Thin Film Gyu-Bong Cho1,Dong-Yeon Kim1,Jou-Hyeon Ahn2,Ho-Suk Ryu1,Ki-Won Kim1,Won-Cheol Shin3,Hyo-Jun Ahn1,Jong-Seon Kim1 (1.I-cube center nano... the electrochemical intercalation of sodium into the Si film. Amorphous Si thin film electrode was prepared using DC magnetron sputtering. Sodium ion could intercalate into Si thin film upto Na0.52Si, i.e.......