PMID: 12775067May 31, 2003Paper

Synergy of combining sonolysis and photocatalysis in the degradation and mineralization of chlorinated aromatic compounds

Environmental Science & Technology
Julie PellerPrashant V Kamat

Abstract

Merits of using advanced oxidation processes such as sonolysis and photocatalysis as well as a combination of the two have been explored using model herbicides such as 2,4-dichlorophenoxy acetic acid and 2,4-dichlorophenoxypropionic acid and the chlorinated phenols 2,4-dichlorophenol and 2,4,6-trichlorophenol. Whereas sonolysis is quite effective in the initial degradation of chlorinated aromatic molecules, complete mineralization is difficult to achieve. Photocatalysis is selective toward the degradation of polar compounds but causes the build up of undesirable chemical intermediates. In contrast to sonolytic degradation, photocatalysis is very effective toward achieving complete mineralization. By simultaneously carrying out high-frequency sonolysis and photocatalysis we have succeeded in achieving faster and complete mineralization with no build up of toxic intermediates even at very low catalyst loadings. The synergy of combining the two advanced oxidation processes is discussed.

References

Apr 19, 2000·Ultrasonics Sonochemistry·D DrijversV Herrygers
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Citations

Feb 2, 2013·Journal of Molecular Modeling·Xiaohua RenZhaojie Cui
Mar 10, 2007·Chemical Communications : Chem Comm·Xiantao ShenHeqing Tang
May 23, 2014·Ultrasonics Sonochemistry·Binota ThokchomJeehyeong Khim
Dec 3, 2014·Journal of Photochemistry and Photobiology. B, Biology·S S ShindeJ H Lee
Apr 13, 2011·Ultrasonics Sonochemistry·Yuanhua HeMuthupandian Ashokkumar
Jun 15, 2010·Chemosphere·Jagannathan MadhavanMuthupandian Ashokkumar
Jul 20, 2010·Journal of Hazardous Materials·Bernaurdshaw NeppolianHeechul Choi
Feb 13, 2010·Journal of Hazardous Materials·Jagannathan MadhavanMuthupandian Ashokkumar
Jun 16, 2009·Journal of Environmental Management·Bo Zhu, Linda Zou
Feb 10, 2009·The Science of the Total Environment·Pankaj Chowdhury, T Viraraghavan
Dec 18, 2007·Chemosphere·Cristina Lizama BahenaMa Del Refugio Trejo Hernández
Sep 16, 2008·Environmental Pollution·Silke NissenKenneth Killham
Sep 15, 2012·Journal of Photochemistry and Photobiology. B, Biology·S S ShindeK Y Rajpure
Oct 24, 2007·Journal of Hazardous Materials·Mahmood Abbasi, Nima Razzaghi Asl
Oct 7, 2016·Topics in Current Chemistry·Sundaram Ganesh BabuBernaurdshaw Neppolian
Nov 17, 2009·Ultrasonics Sonochemistry·Jagannathan MadhavanMuthupandian Ashokkumar
Nov 13, 2003·Chemistry : a European Journal·Julie PellerPrashant V Kamat
Sep 15, 2015·Chemistry : a European Journal·Alexander Samokhvalov
Dec 8, 2009·Environmental Science & Technology·Chad D VecitisMichael R Hoffmann
May 21, 2011·The Journal of Physical Chemistry. a·Yuanhua HeMuthupandian Ashokkumar
Jun 10, 2006·Ultrasonics Sonochemistry·Onder AyyildizPaul R Anderson
Jul 28, 2006·Ultrasonics Sonochemistry·Akira NakajimaHisashi Harada
Jul 8, 2008·Ultrasonics Sonochemistry·Ritu SinglaMuthupandian Ashokkumar
Jan 16, 2009·Ultrasonics Sonochemistry·Younggyu SonJeehyeong Khim
Apr 27, 2010·Ultrasonics Sonochemistry·Bernaurdshaw NeppolianMuthupandian Ashokkumar

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