Research progress on the removal of humic acids from water by oxidation and its derived hybrid processes

被引：0
|
作者：
Tang A. [1 ]
Xu Q. [2 ]
机构：
[1] Sinopec Jiujiang PetroChemical Company, Jiujiang
[2] School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2021年 / 40卷 / 12期
关键词：
Combined technologies; Drinking water; Humic acids; Oxidation technology;
D O I：
10.16085/j.issn.1000-6613.2020-2588
中图分类号：
学科分类号：
摘要：
Humic acid natural organic matter in water is an important factor affecting water quality, and it is difficult to remove humic substances from water by conventional process. Due to its high efficiency, low energy consumption and wide application range, oxidation and its combined technologies have gradually become pretreatment technologies for removing such pollutants. Ozone, potassium permanganate and other oxidants with strong oxidizing characteristics have replaced the traditional oxidant - chlorine, which can effectively decompose NOM into non-toxic small molecules, reduce the risk of mutagenesis of drinking water quality. Among oxidation technologies, ozone is advantageous in terms of safety and side effects, but the single oxidation technology has different degrees of limitations. According to different water conditions at home and abroad, the oxidation mechanism, synergistic effect, removal effect and application status of oxidation technology-coagulation process and other combined technologies to remove humic acid in water were compared in detail, and the research progress of different oxidation and its combined technologies to remove NOM in water was discussed. The analyses showed that oxidation technology combined processes have become the mainstream process to remove humic acid in water, and point out that the pre-oxidation-membrane combined technology has a wide application prospect because of its good synergistic property. © 2021, Chemical Industry Press Co., Ltd. All right reserved.
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页码：6889 / 6896
页数：7
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