Environmental Perspectives of Microwave Applications as Remedial Alternatives: Review
Publication: Practice Periodical of Hazardous, Toxic, and Radioactive Waste Management
Volume 12, Issue 2
Abstract
Microwave energy has been widely used in several domestic, industrial, and medical applications such as food sterilization, organic/inorganic syntheses, polymerization, dehydration, analyses and extraction, and biological destruction. This paper summarizes the potential applications of microwave energy as remedial alternatives for various types of wastes and diverse contamination of soils, sludge, or wastewaters. The major subjects covered in the paper are focused on sludge processing, medical waste treatment, contaminated soil remediation, wastewater remediation, activated carbon regeneration, and integrated remedial methodology. The extent of microwave treatment and microwave-assisted application promoting a specific technology has been highlighted relative to the conventional methods. Also, a few novel microwave involved processes, and the integrated experimental design of remedial schemes were presented. The application of microwave energy was proven to be superior to the use of conventional heating on accelerating reaction rates, improving yields, and selectively activating or suppressing reaction pathways. Besides the thermal effect, the nonthermal effect caused by microwave irradiation and its influence on the specific remediation cases have also been discussed. When applying the integrated remedial methodology, the effects of microwave irradiation improving the photocatalytic capacity of have been detailed. Conclusively, microwave technology is a potentially viable and powerful alternative to the decontamination of soil, sludge, wastewater, as well as the treatment of certain types of waste.
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Published In
Practice Periodical of Hazardous, Toxic, and Radioactive Waste Management
Volume 12 • Issue 2 • April 2008
Pages: 102 - 115
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© 2008 ASCE.
History
Received: Sep 27, 2007
Accepted: Sep 27, 2007
Published online: Apr 1, 2008
Published in print: Apr 2008
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