摘要
采取投加硫化钠及石灰2种方法处理高砷阳极泥湿法脱砷废液。研究结果表明,当m(Ca):m(As)为5:1时,对废液中As的去除率最高;m(Na2S):m(As)为5:1时,废液回用时浸出效果最好,同时可保证物料中绝大多数铅、锑不流失。石灰相对硫化钠具有成本较低的优势,有望在工程应用中成为首选。
The wet-method for extracting arsenic from arsenic-rich anode slime waste water was treated by sodium sulfide and lime. The results showed that removal rate of arsenic in waste water was the highest when the Ca：As was 5：1. Leaching rate of reused waste water was the best with a little loss of lead and antimony when the Na：S：As was 5：1. Lime costs less than sodium sulfide, and is expected to become the first choice in engineering application.
出处
《环境科技》
2010年第5期45-47,共3页
Environmental Science and Technology
基金
水体污染控制及治理技术重大专项(2009ZX07212-001-07)
关键词
阳极泥
浸出
回用
Anode slime
Leaching
Reuse
