Removal of chromium from wastewater by membrane filtration, chemical precipitation, ion exchange, adsorption electrocoagulation, electrochemical reduction, electrodialysis, electrodeionization, photocatalysis and nanotechnology: a review

Chromium is a potentially toxic and carcinogenic metal originating from natural processes and anthropogenic activities such as the iron steel, electroplating and leather industries. Therefore, chromium should be removed from wastewater to avoid environmental pollution and to recycle chromium in the...

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Bibliographic Details
Published in:Environmental chemistry letters 2020-11, Vol.18 (6), p.2055-2068
Main Authors: Peng, Hao, Guo, Jing
Format: Article
Language:English
Subjects:
Adsorption
Analytical Chemistry
Anthropogenic factors
Carcinogens
Chemical precipitation
Chemical reduction
Chromium
Earth and Environmental Science
Ecotoxicology
Electrochemistry
Electrocoagulation
Electrodialysis
Electroplating
Environment
Environmental Chemistry
Filtration
Geochemistry
Heavy metals
Industry
Ion adsorption
Ion exchange
Leather
Membrane filtration
Membranes
Nanotechnology
Photocatalysis
Pollutant removal
Pollution
Precipitation
Review
Toxicity
Wastewater
Wastewater pollution
Wastewater treatment
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Summary:Chromium is a potentially toxic and carcinogenic metal originating from natural processes and anthropogenic activities such as the iron steel, electroplating and leather industries. Therefore, chromium should be removed from wastewater to avoid environmental pollution and to recycle chromium in the context of the future circular economy. Here we briefly review aqueous Cr species, their toxicity and methods to remove Cr such as membrane filtration, chemical precipitation, ion exchange, adsorption electrocoagulation, electrochemical reduction, electrodialysis, electrodeionization, photocatalysis and nanotechnology.
ISSN:1610-3653
1610-3661
DOI:10.1007/s10311-020-01058-x