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J. Cent. South Univ. (2017) 24: 2253-2259 DOI: https://doi.org/10.1007/s11771-017-3635-1 Solvent extraction separate of zinc and cadmium from magnesium and calcium in sulfuric acid medium by mixing... and Springer-Verlag GmbH Germany 2017 Abstract: Synergistic extraction has been proven to enhance extractability and selectivity for the separation of cadmium and zinc from magnesium and calcium......
的研究[D]. 上海: 华东理工大学化学学院, 2011: 25-27. XU Renwei. Study on the influence of coke and its impurities on pyrolysis process of calcium sulfate[D]. Shanghai: East China University of Science and Technology. School of Chemistry, 2011: 25-27. [16] 范红宇. 不同气氛下高温固硫产物硫酸钙和硫化钙相互转化机理研究[D]. 杭州: 浙江大学工程热物理系, 2004: 25-40. FAN Hongyu. Mutual transformation mechanism of calcium sulfate and calcium sulfide ant high......
. Furthermore, the simultaneously generated ammonium sulfate in the spent liquor can react with calcium carbonate at elevated temperatures and generate NH3, CO2 and CaSO4, and thus the ammonium carbonate...Trans. Nonferrous Met. Soc. China 30(2020) 509-517 Preparation of spherical cobalt carbonate from cobalt sulfate solution Zhi-hong PENG, Fang HE, Hao JIA, Xiao-bin LI, Qiu-sheng ZHOU, Tian-gui QI......
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is equal or greater than 0.001 mol/L, the total concentration of calcium in solution can be reduced to below 10–5 mol/L. Key words: manganiferous wastewater; thermodynamic analysis; deep purification; magnesium; manganese; calcium 基金项目:国家重点基础研究发展计划资助项目(2007CB613604) 收稿日期:2011-05-21；修订日期:2011-10-10 通信作者:楚 广,教授,博士; E-mail: chuguang2006@163.com ......
Development of calcium coke for CaC2 production using calcium carbide slag and coking coalXu-zhong Gong1,2,3,Jun-qiang Zhang1,Zhi Wang1,3,Dong Wang1,3,Jun-hao Liu1,3,Xiao-dong Jing1,3,Guo-yu Qian1,31.... Chemical Engineering School, University of Chinese Academy of Sciences摘 要:A type of calcium coke was developed for use in the oxy-thermal process......
Formation mechanism of calcium hexaluminateJun-hong Chen,Hai-yang Chen,Ming-wei Yan,Zheng Cao,Wen-jun MiSchool of Materials Science and Engineering, University of Science and Technology Beijing摘 要:To investigate the formation mechanism of calcium hexaluminate(CaAl12O19, CA6), the analytically pure alumina and calcia used as raw materials were mixed......
Preparation of Agarose Sulfate and Its Antithrombogenicity揭油平,汤顺清Biomedical Engineering Institute, Jinan University摘 要:As one of the seaweed polysaccharide... of the insoluble agarose sulfate (below 37 ℃) were synthesized with degree of substitution (DS) being 0.17 and 0.43 respectively. Infrared spectroscopy (IR) and 13C nuclear magnetic resonance (13C-NMR......
低了硫酸亚铁的溶解度. 图2 硫酸亚铁在不同硫酸浓度下的溶解度与温度的关系[15] Fig. 2 Relationship between solubility of ferrous sulfate and temperature at each sulfuric acid concentration[15] 图3 硫酸镁的溶解度与温度的关系[19] Fig. 3 Relationship between solubility and temperature of magnesium sulfate[19] 图4 硫酸锌的溶解度与温度的关系[20] Fig. 4 Relationship between solubility of zinc sulfate and temperature[20] 图5......
J. Cent. South Univ. (2016) 23: 1-9 DOI: 10.1007/s11771-016-3042-z Calcium phosphate deposition on surface of porous and dense TiNi alloys in simulated body fluid Liu Jue(刘珏), Liu Chao(刘超), Li Jing... to heterogeneous nucleation. Furthermore, more uniform apatite was fabricated on the sample sintered from the mixture of Ni and Ti powders. Key words: calcium phosphate; TiNi alloy; surface treatment......
