吉首大学学报（自然科学版）2016，Vol.37Issue(5)：55-58,62,5.DOI:10.3969/j.cnki.jdxb.2016.05.013
萃取法脱除工业级硫酸锰溶液中钙和镁离子
Removal of Ca and Mg Ions from Industrial Manganese Sulfate Solution by Solvent Extraction
摘要
Abstract
Ca and Mg ions were selectively removed from industrial manganese sulfate solution with mix-ture extractant of P507 and carboxylic acid A.The effects of parameters including initial pH of manga-nese sulfate solution,concentration and saponification of mixture extractant with mol ratio 1∶1 of P507 and carboxylic acid A,and phase ratio (O/A)were determined.The results showed that Ca and Mg ions were selectively removed under the following conditions of initial pH 2.3 of manganese sulfate solution, 20% volume concentration of mixture extractant,20% saponification ratio,O/A=2∶1 phase ratio at 30 ℃,and the yield of manganese reached 83.9%.By treating the solution with carbon adsorption,con-densation crystallization and desiccation,manganese sulfate monohydrate with Ca content 38.4 ppm and Mg content 41.7 ppm,which meets requirement of high-purity manganese sulfate,is obtained.关键词
高纯硫酸锰/P507 和羧酸型 A/溶剂萃取/除杂Key words
high-purity manganese (II)sulfate/P507 and carboxylic acid A/solvent extraction/impurity removal分类
矿业与冶金引用本文复制引用
戴冬阳,刘志雄,孙琳,汤连东,邹晓勇..萃取法脱除工业级硫酸锰溶液中钙和镁离子[J].吉首大学学报（自然科学版）,2016,37(5):55-58,62,5.基金项目
湖南省自然科学基金资助项目（2015JJ2115）；湖南省省教育厅科学研究重点资助项目（15A151）；湖南省省教育厅教改课题资助项目（2015228）；吉首大学教改课题重点资助项目（2015003）；吉首大学大学生研究性学习和创新性实验资助项目（JSUCX 201473）；吉首大学新开课程建设资助项目 （）
