حذف فوتوکاتاليزوري فنازوپيريدين در فوتوراکتور ديسک چرخان: بررسی پارامترهای عملیاتی
الموضوعات : Effective and expandable solutions to control and eliminate environmental pollution
1 - دانشآموخته کارشناسی ارشد شیمی کاربردی، گروه شیمی، واحد تبریز، دانشگاه آزاد اسلامی، تبریز، ایران
الکلمات المفتاحية: فوتوکاتالیز ناهمگن, فوتوراكتور ديسک چرخان, فنازوپيريدين, پارامترهای عملیاتی, فرایند UV/TiO2,
ملخص المقالة :
در اين کار تحقيقي، کارآيي فوتوراکتور ديسک چرخان در حذف فوتوکاتالیزوری فنازوپيريدين (PhP) به عنوان آلايندۀ دارويي مقاوم با استفاده از فرآيند UV/TiO2 مورد بررسي قرار گرفته است. تأثير پارامترهاي عملياتي نظير غلظت اوليه PhP، pH اولیۀ محلول، حجم محلول، سرعت چرخش ديسک چرخان، دبي جريان و زمان تابش نور در راندمان حذف PhP مورد مطالعه قرار گرفته است. نتايج بدست آمده نشان ميدهد که افزايش سرعت چرخش ديسک چرخان تا rpm 450 سبب افزايش درصد حذف PhP ميشود و افزايش آن به rpm 750 تأثير قابل ملاحظهاي در افزايش درصد حذف PhP ندارد. افزایش دبي جريان و زمان تابش نور سبب افزایش راندمان حذف PhP میشود در صورتیکه افزایش غلظت اوليۀ PhP سبب کاهش راندمان حذف PhP میشود. همچنين راندمان حذف PhP در pHهای نزدیک به خنثی (9/5) از pHهای اسيدي و قليايي بهتر ميباشد.
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