含镁废液综合回收技术  

Comprehensive Recovery Technology of Waste Liquid Containing Magnesium

作　　者：曾志佳 毛清敏 陈佳佳 Zeng Zhijia;Mao Qingmin;Chen Jiajia(Guangdong Brunp Recycling Technology Co.,Ltd.,Foshan 528137,China)

机构地区：[1]广东邦普循环科技有限公司,广东佛山528137

出　　处：《广东化工》2023年第23期78-79,112,共3页Guangdong Chemical Industry

基　　金：广东省电池循环利用企业重点实验室(2021年度)项目(2021B1212050002)。

摘　　要：镍钴湿法冶金过程中,镍钴中间体主要为矿石硫酸浸出除杂后沉淀所得,镍钴中间体经浸出-除杂-萃取后产生大量含镁硫酸钠废液。针对含镁废液的主要成分分析,对目前的处理处置技术进行了介绍及比较,分析了各项技术的优缺点,就当前分盐结晶及沉淀工艺技术存在的问题,进行了系统分析,提出实现镁及钠的综合回收利用是矿冶含镁废水回收技术的发展重要方向。In the process of nickel-cobalt hydrometallurgy,nickel-cobalt intermediates are mainly obtained by precipitation after sulfuric acid leaching and impurity removal.Based on the analysis of the main components of the waste liquid containing magnesium,the present treatment and disposal technologies were introduced and compared,and the advantages and disadvantages of each technology were analyzed.The problems existing in the current salt crystallization and precipitation technology were systematically analyzed.It was pointed out that the comprehensive recovery of magnesium and sodium is an important direction for the development of the recovery technology of magnesium containing wastewater in mining and metallurgy.

关 键 词：镍钴冶金 分盐结晶 活性氧化镁 含镁硫酸钠废液 碱式碳酸镁 

分 类 号：TQ[化学工程]