Adsorption of p-Cresol on Al2O3 coated Multi-walled carbon nanotubes: Response surface methodology and isotherm study

Adsorption of p-Cresol on Al2O3 coated Multi-walled carbon nano tubes: Response surface methodology and isotherm study


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دانشگاه علوم پزشکی تبریز
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نویسندگان: محمد قنبری قوزیکلی

کلمات کلیدی: Al2O3, MWNTs, p-Cresol, Box–Behanken, Adsorption

نشریه: 17808 , 57 , 1 , 2017

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نویسنده ثبت کننده مقاله محمد قنبری قوزیکلی
مرحله جاری مقاله تایید نهایی
دانشکده/مرکز مربوطه معاونت ها و پژوهشکده های دانشگاه
کد مقاله 61888
عنوان فارسی مقاله Adsorption of p-Cresol on Al2O3 coated Multi-walled carbon nanotubes: Response surface methodology and isotherm study
عنوان لاتین مقاله Adsorption of p-Cresol on Al2O3 coated Multi-walled carbon nano tubes: Response surface methodology and isotherm study
ناشر 11
آیا مقاله از طرح تحقیقاتی و یا منتورشیپ استخراج شده است؟ بلی
عنوان نشریه (خارج از لیست فوق)
نوع مقاله Original Article
نحوه ایندکس شدن مقاله ایندکس شده سطح یک – ISI - Web of Science
آدرس لینک مقاله/ همایش در شبکه اینترنت https://www.sciencedirect.com/science/article/pii/S1226086X17304677

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TThe development and design of adsorbents with high adsorption performance is an effective method of removing p-Cresol from effluent for environmental protection. Therefore, an Al2O3 coated multiwalled carbon nanotubes (MWNTs) composite for adsorption of p-Cresol from aqueous solution was synthesized. The p-Cresol concentration was determined by estimating the absorbance of the sample solution on a DR5000 UV/vis spectrophotometer. Box–Behanken design (BBD) was involved in the optimization of p-Cresol adsorption upon Al2O3 coated MWNTs adsorbent against the process parameters time, pH and adsorbent dose. The effects of these factors were studied in the ranges 5–40 min, 4–10, and 0.2–2 g L 1, respectively. The lack of fit obtained for this model was 0.357 which confirmed that the model is highly significant and the experiments are accurate and reliable. The results showed that adsorption isotherms fit well with the pseudo-second-order kinetic model and Langmuir isotherm model and Qmax was calculated to be 54.05 mg/g. Our results demonstrate that Al2O3 coated MWNTs has the potential to be used as an effective adsorbent for the rapid uptake of p-Cresol from aqueous solutions.

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محمد قنبری قوزیکلیسوم

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