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Title: Degradation of phenol and <i style="">m</i>-cresol in aqueous solutions using indigenously developed microwave-ultraviolet reactor
Authors: Karthikeyan, S
Gopalakrishnan, A Navaneetha
Keywords: <>im</i>-Cresol
Microwave-ultraviolet treatment
Photocatalytic degradation
Wastewater treatment
Issue Date: Jan-2011
Publisher: NISCAIR-CSIR, India
Abstract: A MW-UV reactor was developed indigenously for degradation of aqueous phenol and <i style="">m</i>-cresol (degradation efficiency, MW-UV-TiO<sub>2 </sub>> UV-TiO<sub>2 </sub>> MW-TiO<sub>2 </sub>> MW-UV > UV > MW). Maximum degradation of phenol (85%) and <i style="">m</i>-cresol (92%) by MW-UV-TiO<sub>2 </sub>and MW-UV-TiO<sub>2</sub> was three folds faster in reaction time and catalyst requirement than UV-TiO<sub>2</sub> method. Degradation of phenol and <i style="">m</i>-cresol in reactor followed pseudo first order reaction and reaction rate (k) for MW-UV-TiO<sub>2</sub> was 2.2 times greater than UV-TiO<sub>2</sub> and greater (17 times for phenol and 22 times for <i style="">m</i>-cresol) than other processes. MW-UV-TiO<sub>2</sub> was 2.3 times more efficient in removal of TOC than conventional photocatalytic method.
Description: 71-76
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.70(01) [January 2011]

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