Recent advances in phosphate removal from municipal wastewater by electrocoagulation process: A review

被引：31
作者：
Hu, Qili [1 ,2 ,3 ]
He, Liru [1 ,2 ,3 ]
Lan, Rui [1 ,2 ,3 ]
Feng, Chuanping [4 ]
Pei, Xiangjun [1 ,2 ,3 ,5 ]
机构：
[1] Chengdu Univ Technol, State Environm Protect Key Lab Synerget Control, Chengdu 610059, Peoples R China
[2] Chengdu Univ Technol, Joint Remediat Soil & Water Pollut, Chengdu 610059, Peoples R China
[3] Chengdu Univ Technol, Coll Ecol & Environm, Chengdu 610059, Peoples R China
[4] China Univ Geosci Beijing, Sch Water Resources & Environm, Beijing 100083, Peoples R China
[5] Chengdu Univ Technol, State Key Lab Geohazard Prevent & Geoenvironm Prot, Chengdu 610059, Peoples R China
来源：
SEPARATION AND PURIFICATION TECHNOLOGY | 2023年 / 308卷
关键词：
Electrocoagulation; Phosphate; Chemical equilibrium; Electrode passivation; Process parameters; PHOSPHORUS REMOVAL; ELECTROCHEMICAL TREATMENT; CHEMICAL COAGULATION; OPERATING PARAMETERS; ALTERNATING-CURRENT; BIPOLAR ELECTRODE; CURRENT-DENSITY; PURE ALUMINUM; IRON; AL;
D O I：
10.1016/j.seppur.2022.122944
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Phosphate is an important limiting factor causing eutrophication in lakes and reservoirs. Many water treatment technologies are frequently applied to advanced treatment of phosphate-containing wastewater. In recent years, electrocoagulation (EC), as an emerging alternative process, has shown great potential for competition and development in municipal wastewater treatment. This paper represents a comprehensive review of the EC process for phosphate removal, including the EC basic principles, (electro)chemical dissolution of the electrodes and possible side reactions, chemical equilibrium of the metal cations, phosphate removal mechanisms and control strategies to eliminate electrode passivation. We discuss the electrode configuration, process parameters, integrated EC process and operating cost in depth. The description of the latest research in the EC process provides new ideas for improving the wastewater treatment scenarios.
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页数：16
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