高岭石去除垃圾渗滤液中有害铅和铜离子防止地下水污染

Q3 Environmental Science

Environmental Claims Journal Pub Date : 2022-05-20 DOI:10.1080/10406026.2022.2059211

P. Kumari, A. Kaur, N. Gupta, R. Tanwar, Sudeep Asthana

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引用次数: 0

摘要

垃圾填埋场渗滤液中含有高浓度的重金属，由于渗透和地表径流，最终污染地下水、地表水或两者。这些重金属在人类生活中没有有用的作用，甚至在微量浓度下也可能有毒，最终引起严重的健康问题。因此，从垃圾渗滤液中去除重金属是必要的，也是减少进一步污染的有效方法之一。本文以高岭石为吸附剂，采用间歇吸附法去除铅和铜离子。当高岭石添加量为20 g/l时，对铅和铜的去除率分别为81.96%和57.58%。由此可见，高岭石作为一种经济、丰富、易获得的吸附剂，具有很好的去除垃圾渗滤液中重金属离子的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Removal of Hazardous Lead and Copper Ions from Landfill Leachate Using Kaolinite for Preventing Groundwater Contamination

Abstract The landfill leachate contains high level of heavy metals which ultimately contaminate either groundwater, surface water or both owing to infiltration and surface runoff. These heavy metals have no useful role in human life and may be toxic even at trace concentration and ultimately causes serious health concern. Thus the removal of heavy metals from landfill leachate is necessary and one of the effective ways to minimize the further contamination. In this article Kaolinite is used as an adsorbent to remove lead and copper ions through the batch adsorption process. The maximum removal efficiency of 81.96% was observed for lead and 57.58% for copper with 20 g/l of kaolinite. Thus, it can be observed that kaolinite has a good potential to be used for the removal of heavy metal ions from landfill leachate as it is cost effective, abundant and easily available adsorbent.

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来源期刊

Environmental Claims Journal Environmental Science-Management, Monitoring, Policy and Law

CiteScore

2.20

自引率

0.00%

发文量

期刊介绍： The Environmental Claims Journal is a quarterly journal that focuses on the many types of claims and liabilities that result from environmental exposures. The ECJ considers environmental claims under older business insurance policies, coverage and claims under more recent environmental insurance policies, as well as toxic tort claims. Exposures and claims from all environmental media are considered: air, drinking water, groundwater, soil, chemicals in commerce and naturally occurring chemicals. The journal also considers the laws, regulations, and case law that form the basis for claims. The journal would be of interest to environmental and insurance attorneys, insurance professionals, claims professionals, and environmental consultants.