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Extraction kinetics of zinc by new extractant in ammoniacal systemHUANG Ling(黄玲)1, 2, HE Jing(何静)1, CHEN Yong-ming(陈永明)1, YANG Sheng-hai(杨声海)1, JIN Sheng-ming(金胜明)1, TANG Mo-tang(唐谟堂)1(1. School... be depicted as .Key words:solvent extraction; zinc; 2-acetyl-3-oxo-dithiobutyric acid-myristyl ester; kinetics......
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Kinetics of reductive leaching of manganese oxide ore using cellulose as reductantWU Fang-fang(武芳芳)1, 2, ZHONG Hong(钟宏)1, 2, WANG Shuai(王帅)1, 2, LAI Su-feng(赖素凤)1, 2(1. College of Chemistry..., China)Abstract:The kinetics of reductive leaching of manganese from a low-grade manganese oxide ore were studied using cellulose as reductant in dilute sulfuric acid medium. It was found that when......
J. Cent. South Univ. (2020) 27: 27-36 DOI: https://doi.org/10.1007/s11771-020-4275-4 Kinetics of leaching lithium from lepidolite using mixture of hydrofluoric and sulfuric acid WANG Hai-dong(王海东)1... shows great potential in leaching lithium (Li) from lepidolite. Leaching kinetics of Li in a mixture of sulfuric acid and hydrofluoric acid, which is a typical lixivant for the fluorine-based chemical......
Trans. Nonferrous Met. Soc. China 28(2018) 2135-2142 Kinetics of uranium extraction from coffinite-A comparison with other common uranium minerals H. S. REYNOLDS1, R. RAM2, M. I. POWNCEBY3, Y. YANG3.... Key words: coffinite; uraninite; brannerite; acid leaching; extraction kinetics 1 Introduction Coffinite is one of the major tetravalent (U4+) minerals in economically exploitable reduced U-ores......
Study on Transfer and Interfacial Kinetics of Neodymium and Samarium in Membrane Based Extraction 罗芳1,吴庸烈1,李德谦1,马玖彤2,张凤君2 (1.Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun 130022, China;2.Department of Chemistry, Jilin University, Changchun 130026, China) Abstract:Extraction and interfacial kinetics of Nd3......
J. Cent. South Univ. (2016) 23: 1052-1057 DOI: 10.1007/s11771-016-0354-y Tungsten removal from molybdate solutions using chelating ion-exchange resin: Equilibrium adsorption isotherm and kinetics... words: tungsten; molybdate; ion-exchange resin; isotherms; kinetics 1 Introduction The separation between W and Mo has been a national difficulty due to their extremely similar physicochemical......
New Methodological Approach to Investigation of Kinetics of REE Extraction in Nonstationary Conditions () Abstract:The influence of periodical oscillations of the temperature on extraction... kinetics problem using the proposed mathematical model. A series of experiments with periodical oscillations of the temperature on the extraction system for the separation of rare earth elements (REE......