有色金属冶炼企业高砷废水处理工艺  

Methods for Treatment of High-arsenic Concentration Industrial Effluents in Nonferrous Metals Metallurgy Enterprise

作　　者：于阳 

机构地区：[1]江西省上饶市环境监测站,江西上饶334000

出　　处：《铜业工程》2011年第2期76-77,共2页Copper Engineering

摘　　要：为处理有色金属冶炼厂高砷废水,选择先硫化-化学沉淀-聚合共沉淀工艺,分别考察了硫化钠加入量、添加剂加入量、终点pH,澄清剂加入量等因素的影响,取得了废水处理的最佳条件,结果,处理后废水100%达国家排放标准。Aiming at the treatment of nonferrous metals metallurgical refinery＇s high-arsenic concentration industrial effluents,the method of vulcanization-chemical precipitation-precipitation after polymerization,is chosen,taking account of the influence of the addition of Na2S,additive,as well as clarifier,and final pH.Eventually the best condition for effluents treatment is found and 100% treated effluent is up to the national standard.

关 键 词：有色金属冶炼 高砷废水 添加剂 处理 

分 类 号：X756[环境科学与工程—环境工程]