无机净水剂技术标准的制定根据与砷和重金属的分离方法  

Formulation of Technical Standards for Inorganic Water Treatment Agents and Separation Methods from Arsenic and Heavy Metals

作　　者：王儒富 符宗源 吴平 吴世勇 王蓉 Wang Rufu;Fu Zongyuan;Wu Ping;Wu Shiyong;Wang Rong(College of Pharmacy and Biological Engineering,Chengdu University, Chengdu 610106, Sichuan,China;Chengdu Dongnanli Middle School,Chengdu 610021, Sichuan,China;Sichuan Baoxing Xingyuan Industrial Co., Ltd., Baoxing, 625004, Sichuan, China;Sichuan Sizheng Construction Engineering Quality Inspection Co., Ltd., Chengdu,610200,Sichuan,China)

机构地区：[1]成都大学药学与生物工程学院,四川成都610106 [2]成都市东南里初级中学,四川成都610021 [3]四川宝兴县兴源实业有限责任公司,四川宝兴625004 [4]四川四正建筑工程质量检测有限公司,四川成都610200

出　　处：《四川化工》2020年第2期27-32,共6页Sichuan Chemical Industry

摘　　要：无机净水剂主要有两种,分别是聚铝多元盐净水剂和聚铁多元盐净水剂。原/辅料中的砷和重金属酸溶进反应液采用两种沉淀剂分离,一种是硫化钠(Na2S)同时沉淀砷与铁和重金属生成硫化物沉淀分离;另一种是螯合剂及阳离子絮凝剂,重金属与螯合剂生成重金属螯合物沉淀分离,砷与阳离子絮凝剂生成砷絮凝物沉淀分离。There are two kinds of inorganic water purifying agents:poly-aluminous multi-element salt water treatment agent and poly-iron multi-element salt water treatment agent.The arsenic and heavy metals acid in the raw/auxiliary materials are dissolved into the reaction solution and separated by two precipitants.One is sodium sulfide(Na2S),which simultaneously precipitates arsenic,iron and heavy metals to generate sulfide precipitation and separation.The other is chelating agent and cationic flocculant.Heavy metal and chelating agent form heavy metal chelate precipitation and separation.Arsenic and cationic flocculant generate arsenic floc precipitation and separation.

关 键 词：聚铝多元盐净水剂 聚铁多元盐净水剂 重金属螯合剂 砷絮凝剂 

分 类 号：X70[环境科学与工程—环境工程]