主要除砷技术综述

IF 0.9 Q4 CHEMISTRY, MULTIDISCIPLINARY Acta Chimica Slovaca Pub Date : 2018-10-01 DOI:10.2478/acs-2018-0016
Ronald Zakhar, J. Derco, F. Cacho
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引用次数: 39

摘要

摘要砷(As)是一种类金属物质,自然存在于环境中,也可由人类活动引入。它具有毒性和致癌性,低浓度或高浓度的接触对人体健康都可能是致命的。饮用水中的砷污染威胁着全世界1.5亿多人。因此,砷污染水的处理具有不容置疑的重要性。本文首先概述了砷的化学、分布和毒性,这是了解和开发修复技术的相关方面。介绍了常用的砷去除方法(化学沉淀法、吸附法、离子交换法、膜过滤法、植物修复法和电絮凝法),讨论了它们的优缺点和最近取得的主要成果。
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An overview of main arsenic removal technologies
Abstract Arsenic (As) is metalloid, naturally present in the environment but also introduced by human activities. It is toxic and carcinogenic and its exposure to low or high concentrations can be fatal to human health. Arsenic contamination in drinking water threatens more than 150 million peoples all over the world. Therefore, treatment of As contaminated water is of unquestionable importance. The present review begins with an overview of As chemistry, distribution and toxicity, which are relevant aspects to understand and develop remediation techniques. The most common As removal processes (chemical precipitation, adsorption, ion exchange, membrane filtration, phytoremediation and electrocoagulation) are presented with discussion of their advantages, drawbacks and the main recent achievements.
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来源期刊
Acta Chimica Slovaca
Acta Chimica Slovaca CHEMISTRY, MULTIDISCIPLINARY-
自引率
12.50%
发文量
11
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