Current status of microwave application in wastewater treatment—A review

Microwave (MW) irradiation has gained a great deal of attention owing to the molecular level heating. However, the commercialization of MW technology for real-time wastewater (WW) treatment requires the understanding of basic mechanism of MW and MW coupled treatment methods. This review addresses th...

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Bibliographic Details
Published in:Chemical engineering journal (Lausanne, Switzerland : 1996) Switzerland : 1996), 2011-02, Vol.166 (3), p.797-813
Main Authors: Remya, Neelancherry, Lin, Jih-Gaw
Format: Article
Language:English
Subjects:
Advanced oxidation process
Applied sciences
Catalysis
Catalytic reactions
Chemical engineering
Chemistry
commercialization
Economics
Exact sciences and technology
Fenton process
General and physical chemistry
General purification processes
heat
Heating
irradiation
Microwave
Microwaves
oxidants
oxidation
Photocatalysis
Pollution
Reactors
Real time
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Waste water
wastewater
Wastewater treatment
Wastewaters
Water treatment and pollution
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Summary:Microwave (MW) irradiation has gained a great deal of attention owing to the molecular level heating. However, the commercialization of MW technology for real-time wastewater (WW) treatment requires the understanding of basic mechanism of MW and MW coupled treatment methods. This review addresses the basic theory and mechanism of MW, current application of MW in WW treatment, MW reactors and economical aspects of MW in WW treatment. The different combinations of MW application in WW treatment, including MW alone, MW with oxidants, MW with catalyst and MW with advanced oxidation processes (AOPs) are discussed in detail. Moreover, the effect of MW heating and the factors affecting MW coupled treatment methods are discussed with respect to the treatment efficiency. Finally, the future research challenges in the application of MW for WW treatment are emphasized.
ISSN:1385-8947
1873-3212
DOI:10.1016/j.cej.2010.11.100