Current status of microwave application in wastewater treatment-A review

Neelancherry Remya*, Jih-Gaw Lin

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

328 Scopus citations


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.

Original languageEnglish
Pages (from-to)797-813
Number of pages17
JournalChemical Engineering Journal
Issue number3
StatePublished - 1 Feb 2011


  • Advanced oxidation process
  • Fenton process
  • Microwave
  • Photocatalysis
  • Wastewater treatment


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