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Treatment of Wastewater Contaminated with Pesticide (Alachlor) by Solar Enhanced Advanced Oxidation Processes
معالجة المياه الملوثة بالمبيد (الاكلور) باستخدام عمليات الاكسدة المتقدمة المعززة بالطاقة الشمسية

Authors: Ahmad Benwan Hassan احمد بنوان حسن --- Yasmen Abdulaziz Mustafa ياسمين عبد العزيز مصطفى
Journal: Journal of Engineering مجلة الهندسة ISSN: 17264073 25203339 Year: 2015 Volume: 21 Issue: 11 Pages: 130-144
Publisher: Baghdad University جامعة بغداد


The degradation performance of aqueous solution of pesticide Alachlor has been studied at solar pilot scale plant in two photocatalytic systems: homogeneous photocatalysis by photo-Fenton and heterogeneous photocatalysis with titanium dioxide. The pilot scale system included of compound parabolic collectors specially designed for solar photocatalytic applications, and installed at University of Baghdad, Department of Environmental Engineering back yard. The influence of different concentrations, H2O2 (200-2400 mg/l), Fe+2(5- 30 mg/l) and TiO2 (100-500 mg/l) and their relationship with the degradation efficiency were studied.The COD removal efficiency for homogeneous photocatalytic system at the best dosage was found to be 73.7%. The parent pollutant concentrations which were monitored using HPLC decreased to reach zero level at early time of the experiment. For heterogeneous photocatalytic system the COD removal efficiency was found to be 72.7%.

تم دراسة تحلل المبيد (Alachlor) في المحاليل المائية باستخدام منظومة ريادية تعمل بنظام الاكسدة المتقدمة المتجانس (Homogeneous photocatalysis by photo-Fenton) ونظام الاكسدة المتقدمة الغير متجانس (Heterogeneous photocatalysis with titanium dioxide ) باستخدام الطاقة الشمسية (compound parabolic collectors ) .تم دراسة تحلل المبيد تحت تاثير تراكيز مختلفة للمواد H2O2 (200-2400 mg/l) , Fe+2(5- 30 mg/l) و 500 mg/l)-TiO2 (100. تم دراسة التحلل لتاثير (Fe+2, H2O2) في النظام المتجانس و (TiO2, H2O2) في النظام الغير متجانس, بلغت نسبة ازالة الCOD 73.7% في نظام الاكسدة المتجانسة و 72.7% في نظام الاكسدة الغير متجانسة.

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