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Journal of Advances in Environmental Health Research، جلد ۳، شماره ۳، صفحات ۲۰۴-۰
عنوان فارسی
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عنوان انگلیسی Photocatalytic degradation of phenol in water solutions using zno nanoparticles immobilized on glass
چکیده انگلیسی مقاله Phenol and its derivatives are pollutant compounds that are present in the wastewater of many industries. The objective of this study was to investigate the photocatalytic degradation of phenol in water containing various concentrations of sodium chloride. A laboratory study was conducted to evaluate the performance of UV/ZnO process on the efficiency of phenol removal from saline water with ZnO nanoparticles fixed on glass using UVC radiation. The effects of pH, contact time, sodium chloride concentrations, and the initial concentration of phenol on the photocatalytic removal of phenol were studied. The photocatalytic degradation of phenol showed suitable efficiency under the absence of sodium chloride (100% phenol removal at a concentration of 5 mg/l and during 120 minutes). However, the removal efficiency decreased in the presence of a concentration of 30 g/l of sodium chloride (92.4%). Additionally, phenol photocatalytic degradation efficiency decreased as a result of an increase in the initial concentration of phenol and the efficiency increased as a result of a decrease in pH (pH = 3). The results obtained from this study indicated that ZnO nanoparticles or ultraviolet rays alone cannot remove phenol fully and have a much lower efficiency in comparison with the photocatalytic degradation of phenol. Thus, the photocatalytic degradation process (UV/ZnO) is an effective method of removing phenol from saline water solutions.
کلیدواژه‌های انگلیسی مقاله Degradation,Phenol,Water Pollution,Nanoparticles
نویسندگان مقاله صدیقه سعیدی | sedigheh saeedi
department of environmental health engineering, school of health, lorestan university of medical sciences, khorramabad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی لرستان (Lorestan university of medical sciences)

حاتم گودینی | hatam godini
department of environmental health engineering, school of health, alborz university of medical sciences, karaj, iran


محمد الماسیان | mohammad almasian
department of english language, school of medicine, lorestan university of medical sciences, khorramabad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی لرستان (Lorestan university of medical sciences)

قدرت اله شمس خرم آبادی | ghodratollah shams khorramabadi
department of environmental health engineering, school of health, lorestan university of medical sciences, khorramabad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی لرستان (Lorestan university of medical sciences)

بهرام کمره یی | bahram kamarehie
department of environmental health engineering, school of health, lorestan university of medical sciences, khorramabad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی لرستان (Lorestan university of medical sciences)

پروین مصطفایی | parvin mostafaie
department of environmental health engineering, school of health, lorestan university of medical sciences, khorramabad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی لرستان (Lorestan university of medical sciences)

فاطمه طاهری | fatemeh taheri
department of environmental health engineering, school of health, lorestan university of medical sciences, khorramabad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی لرستان (Lorestan university of medical sciences)

نشانی اینترنتی http://jaehr.muk.ac.ir/index.php/jaehr/article/view/254
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