摘要
采用纳米FeS溶胶处理含Cr(Ⅵ)、Cu2+、Ni2+和络合剂的模拟电镀废水,考察了纳米FeS溶胶用量、pH、反应时间对处理效果的影响。实验结果表明:在pH为3～6的弱酸性条件下,按理论用量的1.2～1.5倍加入纳米FeS溶胶,反应10～15 min,可使处理后废水中的Cr(Ⅵ)、Cu2+、Ni2+均低于0.5 mg/L,达到国家电镀废水排放标准(GB21900—2008)的要求。
Nano-FeS sol has been used for treating simulated electroplating wastewater containing Cr （VI）,CuE＊, Ni2＋ and complexing agent. The effects of nano-FeS sol dosage, pH, and reacting time on its treatment efficiency are investigated. The experimental results show that when pH is 3-6 under acidic condition, FeS sol is added according to 1.2-1.5 times of its theoretical dosage and reacting time 10-15 min, the Cr （VI）, Cu2＋ and Ni2＋ in the treated wastewater are all lower than 0.5 mg/L, meeting the requirements of the National Electroplating Wastewater Dis- charge Standards（GB 21900--2008）.
出处
《工业水处理》
CAS
CSCD
北大核心
2012年第11期68-71,共4页
Industrial Water Treatment
关键词
硫化亚铁
重金属
废水处理
ferrous sulphide
heavy metals
wastewater treatment
