Review on electrochemical system for landfill leachate treatment: Performance, mechanism, application, shortcoming, and improvement scheme

被引：129

作者：

Deng, Yang ^{[1
]}

Zhu, Xu ^{[1
]}

Chen, Nan ^{[1
]}

Feng, Chuanping ^{[1
]}

Wang, Haishuang ^{[1
]}

Kuang, Peijing ^{[2
]}

Hu, Weiwu ^{[3
]}

机构：

[1] China Univ Geosci Beijing, Sch Water Resources & Environm, MOE Key Lab Groundwater Circulat & Environm Evolu, Beijing 100083, Peoples R China

[2] Dalian Minzu Univ, Coll Environm & Resources, Dalian 116600, Peoples R China

[3] China Univ Geosci Beijing, Journal Ctr, Beijing 100083, Peoples R China

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 2020年 / 745卷

基金：

中国国家自然科学基金;

关键词：

Electrochemical treatments; Standalone processes; Integrated processes; Wastewater treatment; Process improvement; HETEROGENEOUS ELECTRO-FENTON; REVERSE-OSMOSIS CONCENTRATE; VOLATILE ORGANIC-COMPOUNDS; OLIVE POMACE LEACHATE; MICROBIAL FUEL-CELLS; BY-PRODUCT FORMATION; BORON DOPING LEVEL; WASTE-WATER; NITRATE REMOVAL; SURFACE-WATER;

D O I：

10.1016/j.scitotenv.2020.140768

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Landfill leachate is a type of complex organic wastewater, which can easily cause serious negative impacts on the human health and ecological environment if disposed improperly. Electrochemical technology provides an efficient approach to effectively reduce the pollutants in landfill leachate. In this review, the electrochemical standalone processes (electrochemical oxidation, electrochemical reduction, electro- coagulation, electro-Fenton process, three-dimensional electrode process, and ion exchange membrane electrochemical process) and the electrochemical integrated processes (electro-chemical-advanced oxidation process (AOP) and biological electrochemical process) for landfill leachate treatment are summarized, which include the performance, mechanism, application, existing problems, and improvement schemes such as cost-effectiveness. The main objective of this review is to help researchers understand the characteristics of electrochemical treatment of landfill leachate and to provide a useful reference for the design of the process and reactor for the harmless treatment of landfill leachate. (C) 2020 Elsevier B.V. All rights reserved.

引用

页数：16

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