用于去除砷的混凝技术综述：以智利为例。

Review of coagulation technology for removal of arsenic: case of Chile.

作者信息

Sancha Ana María

机构信息

Department of Civil Engineering, Division of Water Resources and Environment, University of Chile, Blanco Encalada 2002, Santiago, Chile.

出版信息

J Health Popul Nutr. 2006 Sep;24(3):267-72.

PMID:17366767

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3013246/

Abstract

Coagulation technology has been used since 1970 in northern Chile for removing arsenic from drinking-water. This experience suggests that coagulation is an effective technology for the removal of arsenic. It is currently possible to reduce arsenic from 400 microg/L to 10 microg/L at a rate of 500 L/sec, assuming pH, oxidizing and coagulation agents are strictly controlled. The Chilean experience with the removal of arsenic demonstrates that the water matrix dictates the selection of the arsenic-removal process. This paper presents a summary of the process, concepts, and operational considerations for the use of coagulation technology for removal of arsenic in Chile.

摘要

自1970年以来，智利北部一直使用混凝技术去除饮用水中的砷。这一经验表明，混凝是一种有效的除砷技术。目前，假设pH值、氧化剂和混凝剂得到严格控制，以每秒500升的流速，可将砷含量从400微克/升降至10微克/升。智利在去除砷方面的经验表明，水的基质决定了除砷工艺的选择。本文概述了智利使用混凝技术去除砷的工艺、概念和操作注意事项。