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; Abstract: The hydrotalcite-type cobalt compounds were prepared through oxidation of Co(OH)2 gel using NH4OH as precipitating agent and H2O2 as oxidant. These hydrotalcite-type cobalt compounds were transformed into Co3O4 through hydrothermal decomposition......
流程,能有望应用于水钴矿及类似物料中有价金属的提取与分离的工业生产. 关键词:水钴矿；还原酸浸；铜；钴 中图分类号:TF811; TF816 文献标志码:A Recovery of copper and cobalt from low-grade heterogenite with reductive acid leaching method... of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China) Abstract: Copper and cobalt were leached from heterogenite in sulfuric acid using Na2SO3 as reducing agent......
; 文献标志码:A 文章编号:1672-7207(2011)09-2558-05 Oxidation of oxalic acid by chlorine in mother-liquor originated from precipitation of cobalt... of Metallurgical Engineering, Central South University, Changsha 410083, China) Abstract: In order to remove the oxalic acid left in the mother-liquor originated from the precipitation of cobalt by oxalic acid......
Extraction studies of cobalt (Ⅱ) and nickel (Ⅱ) from chloride solution using PC88A LUO Lin(罗 琳)1, WEI Jian-hong(魏建宏)1, WU Gen-yi(吴根义)1, F. TOYOHISA2, S. ATSUSHI3 1. College of Resources...; Abstract: Solvent extraction study of cobalt and nickel were carried out from a chloride solution......
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章编号:1672-7207(2011)02-0317-06 Extraction of cobalt with P507 and preparation of cobalt oxalate powders by ethane diacid stripping ZHANG Yang, MAN Rui-lin, WANG Hui, LIANG Yong-huang (School... out using P507, and cobalt oxalate was directly prepared by stripping with oxalic acid. The initial concentration of cobalt in feed solution was 53.8 g/L. The results show that the optimal extraction......
油酸/正丁醇/碳酸钠微乳液萃取钴的研究王建宏1,朱小轩1,陈家庆1,李扬1(1.北京市北京石油化工学院)摘 要:对油酸/正丁醇/碳酸钠微乳体系进行萃取钴的研究,考察料液中酸的浓度,料液浓度,乳水比,搅拌时间和搅拌转速对钴的萃取率的影响,结果表明,随着料液中酸浓度的升高,萃取率升高,随着料液中钴浓度的升高,萃取率下降.最佳的操作条件为乳水比1∶2.5,搅拌时间2min,搅拌转速200r/min,在此条件下,其萃取效率>80%.进一步的展望表明,油酸/正丁醇/碳酸钠微乳体系有用于铜/钴,锌/钴,镍/钴分离的可......
; 文献标识码: A Preparation and characterization of Co3O4 by thermal decomposition from cobalt oxalate LIAO Chun-fa1, 2, LIANG Yong1, CHEN Hui-huang1 (1. School of Material... 100083, China) Abstract: According to the thermogravimetric analysis of cobalt oxalate, different Co3O4 micropowders were prepared from cobalt oxalate by thermal decomposition at different condition......
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