氯气吸收液制备聚合氯化铁及其絮凝性能研究  

Preparation and Flocculation Performance of Polymeric Ferric Chloride by Chlorine Absorbed-Solution

作　　者：张慧芳[1,2] 叶秀深 胡耀强[1,2] 火焱 李权[1,2] 庞全世 吴志坚 ZHANG Hui-fang;YE Xiu-shen;HU Yao-qiang;HUO Yan;LI Quan;PANG Quan-shi;WU Zhi-jian(Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources,Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Qinghai Xining 810008;Key Laboratory of Salt Lake Resources Chemistry of Qinghai Province,Qinghai Xining 810008;Qinghai Jinkunlun Lithium Co.,Ltd.,Qinghai Golmud 816000,China)

机构地区：[1]中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,青海西宁810008 [2]青海省盐湖资源化学重点实验室,青海西宁810008 [3]青海金昆仑锂业有限公司,青海格尔木816000

出　　处：《广州化工》2022年第4期70-72,共3页GuangZhou Chemical Industry

基　　金：青海省科技厅科技计划项目(2018-GX-121、2019-GX-A5)。

摘　　要：以电解法制备金属锂的氯气吸收液为原料,制备聚合氯化铁絮凝剂(PFC),并考察了聚合氯化铁对蒙脱石悬浊液的絮凝性能。结果表明:在碱铁物料比为2.7:1、吸收液全铁含量为10.2%、反应温度为35℃时得到的聚合氯化铁,悬浮固体的去除率可达95%以上,且物化性质符合化工行业标准HG/T4672-2014中的主要指标规定。Polymeric ferric chloride(PFC)flocculant was prepared by taking the chlorine absorbed-solution from preparing lithium metal by electrolysis as raw material, and the flocculation performance of PFC to montmorillonite suspension was investigated. The results showed that the removal rate of suspended solid reached over 95% when the ratio of alkali to iron was 2.7:1, the content of total iron in chlorine absorbed-solution was 10.2% and the reaction temperature was 35 ℃. Moreover, the physical and chemical properties of PFC met the requirements of the standard of HG/T4672-2014.

关 键 词：聚合氯化铁 氯气 絮凝 电解 

分 类 号：TQ138.1[化学工程—无机化工]