Removal of Copper Ions from Wastewater: A Review

Copper pollution of the world's water resources is becoming increasingly serious and poses a serious threat to human health and aquatic ecosystems. With reported copper concentrations in wastewater ranging from approximately 2.5 mg/L to 10,000 mg/L, a summary of remediation techniques for diffe...

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Bibliographic Details
Published in:International journal of environmental research and public health 2023-02, Vol.20 (5), p.3885
Main Authors: Liu, Yongming, Wang, Haishuang, Cui, Yuanyuan, Chen, Nan
Format: Article
Language:English
Subjects:
Adsorption
Aquatic ecosystems
Aquatic resources
Biotechnology
Chemical precipitation
Contamination
Copper
Copper - analysis
Copper industry wastewaters
Drinking water
Ecosystem
Electrochemical reactions
Electrochemistry
Energy consumption
Environmental protection
Environmental quality
Environmental risk
Enzymes
Health aspects
Health risk assessment
Health risks
Heavy metals
Humans
Hydrogen-Ion Concentration
Industrial wastes
Industrial wastewater
Ion exchange
Ions
Management
Membrane separation
Metal industry wastewaters
Metals, Heavy
Pollution
Pore size
Review
Surface water
Surfactants
Technology
Wastewater
Wastewater pollution
Wastewater treatment
Water
Water Pollutants, Chemical - analysis
Water resources
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Summary:Copper pollution of the world's water resources is becoming increasingly serious and poses a serious threat to human health and aquatic ecosystems. With reported copper concentrations in wastewater ranging from approximately 2.5 mg/L to 10,000 mg/L, a summary of remediation techniques for different contamination scenarios is essential. Therefore, it is important to develop low-cost, feasible, and sustainable wastewater removal technologies. Various methods for the removal of heavy metals from wastewater have been extensively studied in recent years. This paper reviews the current methods used to treat Cu(II)-containing wastewater and evaluates these technologies and their health effects. These technologies include membrane separation, ion exchange, chemical precipitation, electrochemistry, adsorption, and biotechnology. Thus, in this paper, we review the efforts and technological advances made so far in the pursuit of more efficient removal and recovery of Cu(II) from industrial wastewater and compare the advantages and disadvantages of each technology in terms of research prospects, technical bottlenecks, and application scenarios. Meanwhile, this study points out that achieving low health risk effluent through technology coupling is the focus of future research.
ISSN:1660-4601
1661-7827
1660-4601
DOI:10.3390/ijerph20053885