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Trans. Nonferrous Met. Soc. China 22(2012) 1753-1759 Extraction of lithium from lepidolite using chlorination roasting-water leaching process YAN Qun-xuan, LI Xin-hai, WANG Zhi-xing, WANG Jie-xi...: Chlorination roasting followed by water leaching process was used to extract lithium from lepidolite. The microstructure of the lepidolite and roasted materials were characterized by X-ray......
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......
% Fe2O3, 0.49% TiO2 and 0.53% Na2O, and the main phase composition is g-2CaO·SiO2 and CaCO3. Key words: fly ash; leaching process of sintered powder; aluminum oxide; leaching rate 目前,粉煤灰主要用于建材和筑路工程等方 ... of leaching silicon and aluminum from fly ash in alkaline solution at low temperature[J]. Research of Environmental Sciences, 2006, 19(1): 53-56. [12] 阳勇福, 林海燕, 郭献军. 粉煤灰中氧化铝浸取模型的建立[J]. 煤炭学报, 2008......
, and silicate phase. Vanadium is in combination with iron, titanium, manganese,aluminum, and silicon. The impacts of leaching temperature, leaching time, stirring speed, liquid-to-solid ratio, and initial...Pressure leaching of converter vanadium slag with waste titanium dioxideGuo-Quan Zhang,Ting-An Zhang,Ying Zhang,Guo-Zhi Lv,Yan Liu,Zhuo-Lin LiuKey Laboratory of Ecological Utilization of Multi-Metal......
. Shandong Branch, Aluminum Corporation of China Limited, Zibo 255052, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2011 Abstract: Leaching kinetics of acid-soluble Cr(VI...J. Cent. South Univ. Technol. (2011) 18: 399-405 DOI: 10.1007/s11771-011-0710-x Leaching kinetics of acid-soluble Cr(VI) from chromite ore processing residue with hydrofluoric acid LI Xiao-bin(李小......
; 文章编号:1672-7207(2013)09-3599-05 Kinetics on leaching process of sintered powder in extracting aluminum oxide from fly ash SUN Peimei, TONG Junwu, XUE Bing, ZHAO Zhe, XU Hongyan, ZHANG Jiaoyang... of reaction is 47.0 kJ/mol at 7.5-40.0 ℃, which corresponds to the kinetics feature of the chemical reaction. The reaction order n is 0.224. Key words: fly ash; aluminum oxide; leaching process of sintered......
of the leaching process, of which details were thus unnecessary to be reported here. Inspired by the work reported by FRANKE et al [33], in which effects of dissolved aluminum (target element in the research... J. Cent. South Univ. (2019) 26: 2328-2339 DOI: https://doi.org/10.1007/s11771-019-4177-5 Water leaching of arsenic trioxide from metallurgical dust with emphasis on its kinetics YANG Kang(杨康)1, LIU......
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Extracting vanadium from stone-coal by oxygen pressure acid leaching and solvent extraction DENG Zhi-gan(邓志敢), WEI Chang(魏 昶), FAN Gang(樊 刚), LI Min-ting(李旻廷), LI Cun-xiong(李存兄), LI... ____________________________________________________________________________________________ Abstract: Vanadium extraction from stone-coal was investigated by oxygen pressure acid leaching and solvent extraction......
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