砷
废水
连二亚硫酸钠
化学
环境化学
过程(计算)
环境科学
制浆造纸工业
废物管理
环境工程
有机化学
工程类
计算机科学
操作系统
酶
作者
Xin Yang,Xianjia Peng,X. F. Lu,Mengchang He,Jiaguo Yan,Lingqian Kong
标识
DOI:10.1016/j.watres.2024.122299
摘要
The removal of arsenic (As(III)) from acidic wastewater using neutralization or sulfide precipitation generates substantial arsenic-containing hazardous solid waste, posing significant environmental challenges. This study proposed an advanced ultraviolet (UV)/dithionite reduction method to recover As(III) in the form of valuable elemental arsenic (As(0)) from acidic wastewater, thereby avoiding hazardous waste production. The results showed that more than 99.9 % of As(III) was reduced to As(0) with the residual concentration of arsenic below 25.0 μg L
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