共搜索到2703条信息,每页显示10条信息,共271页。用时:0小时0分0秒343毫秒
Coupling leaching of sphalerite concentrate PENG Peng(彭 鹏)1, 2, XIE Hui-qin(谢惠琴)1, LU Li-zhu(卢立柱)1 (1. Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100080, China; 2. Engineering Command Institute of Chemical Defence, Beijing 102205, China) Abstract: Coupling process of sphalerite concentrate leaching in H2SO4-HNO3 and tetrachloroethylene extracting of sulfur......
Mechanism of electro-generating leaching of chalcopyrite-MnO2 in presence of Acidithiobacillus thiooxidans XIAO Li(肖 利)1, 2, LIU Jian-she(柳建设)3, FANG Zheng(方 正)1, QIU Guan-zhou(邱冠周)4 1. School... minerals in the electro-generating leaching(EGL) and the bio-electro-generating leaching(BEGL), respectively. The results showed that the dissolution rates for Cu2+ and Fe2+ in BEGL were almost 2 times......
......
......
J. Cent. South Univ. (2016) 23: 2935-2940 DOI: 10.1007/s11771-016-3357-9 Nonlinear chaotic characteristic in leaching process and prediction of leaching cycle period LIU Chao(刘超), WU Ai-xiang(吴爱祥... 100083, China Central South University Press and Springer-Verlag Berlin Heidelberg 2016 Abstract: A laboratory leaching experiment with samples of different grades was carried out, and an analytical......
J. Cent. South Univ. Technol. (2008) 15: 824-829 DOI: 10.1007/s11771-008-0152-2 Selective leaching of chromium-containing slag by HCl YANG Zhi-hui(杨志辉), CHAI Li-yuan(柴立元), WANG Yun-yan(王云燕... of Cr(Ⅵ) concentration leached out from chromium-containing slag with HCl as leaching agent, and to study influences of pH, ratio of solid mass to solution volume, flow velocity and temperature on Cr......
Study of spent battery material leaching process LI Jin-hui(李金辉)1, 2, LI Xin-hai(李新海)1, ZHANG Yun-he(张云河)1, HU Qi-yang(胡启阳)1, WANG Zhi-xing(王志兴)1, ZHOU You-yuan(周友元)1, FU Fang-ming(符芳铭)1 1... of 120 μm for the exhausted scraps, molar ratio of H2O2 to MeS of 2, leaching temperature about 60 ℃, ratio of liquid to solid of 8, and leaching time of 2 h. The NixCoyMnz precursor for cathode material......
Effect of mechanical activation on alkali leaching of chromite ore ZHANG Yang(张 洋)1, 2, ZHENG Shi-li(郑诗礼)1, DU Hao(杜 浩)1, XU Hong-bin(徐红彬)1, ZHANG Yi(张 懿)1 1. National Engineering Laboratory.... It is observed that the extraction ratio reaches 97% after leaching for 200 min when chromite ore is mechanically activated for 10 min, but only 34% if not activated. Mechanical activation can decrease......
......
Pressure leaching technique of smelter dust with high-copper and high-arsenic XU Zhi-feng(徐志峰), LI Qiang(李 强), NIE Hua-ping(聂华平) School of Materials and Chemical Engineering, Jiangxi... _____________________________________________________________________________________________________ Abstract: The application of pressure leaching technology in the treatment of high-copper and high-arsenic dust was studied. The pressure leaching technique was determined as follows......