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Vol. 125, Issue 2, February 2011, pp.131-141



Design of Photoreactor and Study of Modeling Parameters for Removal of Pesticides in Water: a Case Study of Malathion


*Amit K. Sharma, R. K. Tiwari and M. S. Gaur

Department of Physics, Hindustan College of Science and Technology

Farah, Mathura-281122 (U.P.), India

*Fax: +91-565-2763364

E-mail: amit_vashishtha1980@rediffmail.com



Received: 16 July 2010   /Accepted: 15 February 2011   /Published: 28 February 2011


Abstract: The design of photoreactor and its modeling parameters for removal of environmental pollutants in water are described. The work will provide the instructions to design of photoreactor with modeling parameters, and to allow these parameters to communicate degradation efficiency of the analyte in water samples. The modeling parameters are outlined by which the photoreactor can use UV source to degrade the composition of pollutant. The operation of degradation through photoreactor is applied to the study of degradation rate of pollutant i.e. malathion and the produced informative data at various time intervals also correlated with UV-vis spectrophotometry for the validation of results. The purpose of designed photoreactor is to know the best percentage degradability of pollutants at micro to nano gram levels using nanosemiconductor sensitizer like TiO2. Such designs promises the high impact at very low levels, less time consuming process, low consumable solvents and suit for field application purposes which focuses the merits of the designed photoreactor.


Keywords: UV source, Temperature controller, Nanosemiconductor sensitizer, Pollutants, UV-vis spectrophotometer


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