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KMID : 1024420110150010028
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Food Engineering Progress
2011 Volume.15 No. 1 p.28 ~ p.33
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Optimum Processing Conditions for Pesticides Removal in Mandarine Orange Peel by Ultraviolet Rays and Photocatalytic Materials
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Kim Hee-Sun
Han Myung-Ryun
Kim Ae-Jung
Kim Myung-Hwan
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Abstract
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UV-C and -B types of lamps, and H2O2 as a photocatalytic material were applied to optimize processing conditions for pesticides removal in Mandarine orange peel. Factors to affect the removal of pestrcides were arranged as a function of irradiation temperature, irradiation time, and H2O2 spray concentration. The optimum processing conditions for the chloropyrifos and the EPN removals in Mandarine orange peel were irradiation time of 60 min, irradiation temperature of 45oC and H2O2 spray concentration of 1000 ppm. However, the optimum processing conditions for methidathion removal were 60 min of irradiation time, 40oC of irradiation temperature and 1000 ppm of H2O2 spray concentration. The residual percentages of chloropyrifos, EPN and methidathion were 46, 49 and 28% after above irradiation processing, respectively.
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KEYWORD
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UV, H2O2, Mandarine orange peel, pesticide, optimization
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