Application of a Hybrid Advanced Oxidation Process for Indigo Carmine Dye Treatment
محل انتشار: فصلنامه شیمی آلی، دوره: 2، شماره: 1
سال انتشار: 1393
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 324
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شناسه ملی سند علمی:
JR_OCJ-2-1_005
تاریخ نمایه سازی: 19 شهریور 1396
چکیده مقاله:
Advanced Oxidation Processes (AOPs) and chemical oxidation process (KMnO4) have been used in de-coloration of dyes in spent dyeing wastewater. In the present study, de-coloration of Indigo Carmine Dye (ICD) was carried out in a batch reactor using combination of these processes as a hybrid advanced oxidation process. The reactor used for UV/H2O2 process was equipped with a low-pressure mercury lamp. Temperature and pH values were studied as the key operating variables. The stoichiometric amount of permanganate required for 1 mol of ICD to complete colour removal was determined (1.08 mol). Also, ICD de-coloration was studied by monitoring the absorbance of dye solutions using UV/H2O2 process. The results demonstrated high rate of dye treatment using hybrid process (KMnO4/UV/H2O2) in comparison with potassium permanganate and UV/H2O2 process. The results show that dye treatment efficiency increased with increase in the amount of potassium permanganate and temperature
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نویسندگان
Mohammad Ebrahim Olya
Islamic Azad University, Tehran North branch, Young Researchers Club, Tehran, IRAN
Mahnaz Tarahomi
Islamic Azad University, Tehran North branch, Young Researchers Club, Tehran, IRAN