The removal efficiency of total coliform, Escherichia coli, suspended solids, UV254 and colour using Zeliac filter in riverbank filtration system

IF 2.4 4区环境科学与生态学 Q2 WATER RESOURCES Water Quality Research Journal Pub Date : 2020-02-01 DOI:10.2166/WQRJ.2019.052

H. A. Aziz, N. Ibrahim, M. Alazaiza, Cheong Kah Win

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引用次数: 2

Abstract

Addition of composite adsorbent Zeliac to a riverbank filtration system can enhance the removal of micropollutants in polluted river water. This paper aims to investigate the potential use of Zeliac to remove pollutants, such as total coliform, Escherichia coli, suspended solids (SSs), UV254 and colour, from the Sungai Kerian River. Two columns filled with Zeliac of different granular sizes were established and continuously run for 15 days. Maximum SS removals of 93% and 98% were recorded for Zeliac with granular sizes of 1.18–2 mm and 0.42–0.6 mm, respectively. Meanwhile, 99%–100% of total coliform was removed from the system, and no E. coli was detected in the effluent up to 15 h of the experiments. High removal efficiencies were also recorded for UV254 (>80%) and colour (>90%). Granular size showed no significant effect on the removal of the selected parameters, especially total coliform and E. coli. Zeliac showed good potential as an adsorbent to improve water treatment.

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Zeliac过滤器在河岸过滤系统中对总大肠菌群、大肠杆菌、悬浮物、UV254和色度的去除效率

在河岸过滤系统中加入复合吸附剂Zeliac可以提高对污染河水中微污染物的去除率。本文旨在研究Zeliac去除Sungai Kerian河污染物的潜在用途，如总大肠菌群、大肠杆菌、悬浮固体（SS）、UV254和色度。建立两个填充有不同粒度的Zeliac的柱，并连续运行15天。粒径分别为1.18–2 mm和0.42–0.6 mm的Zeliac的最大SS去除率分别为93%和98%。同时，99%–100%的总大肠菌群从系统中去除，并且在实验的15小时内，在流出物中未检测到大肠杆菌。UV254（>80%）和颜色（>90%）的去除效率也很高。颗粒大小对所选参数的去除没有显著影响，尤其是总大肠菌群和大肠杆菌。泽利亚克作为一种改进水处理的吸附剂显示出良好的潜力。

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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来源期刊

Water Quality Research Journal WATER RESOURCES-

CiteScore

4.50

自引率

8.70%

发文量