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Iranian Journal of Chemistry and Chemical Engineering، جلد ۴۱، شماره ۱، صفحات ۲۰۷-۲۱۹
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عنوان انگلیسی Removal of Methyl Green Dye from Aqueous Solutions Using Activated Carbon Derived from Cryogenic Crushed Waste Tires
چکیده انگلیسی مقاله Activated carbon obtained from cryogenic crushing of used tire prepared and characterized previously was used as an adsorbent for the removal of cationic dye “methyl green dye MG” from an aqueous solution. Batch adsorption studies were carried out as a function of varying parameters of the system such as initial solution pH, adsorbent dosage, initial dye concentration, and temperature. The experimental data were fitted using Langmuir, Freundlich, Dubinin-Radushkevich, and Temkin isotherm models. The Langmuir isotherm model fitted well the obtained experimental data. The maximum adsorption capacity of methyl green dye at pH 7 was found to be 71.43 mg/g. The results of the kinetics study indicated that the experimental data are fitted to the Pseudo-first order model. The thermodynamic properties of ∆G, ∆H, and ∆S were estimated for the adsorption processes and indicated that the latter was exothermic, spontaneous, and favorable. The developed activated carbon might be used in a favorable manner for removing methyl green from an aqueous solution.
کلیدواژه‌های انگلیسی مقاله Activated Carbon,Cryogenic grinding,environment,Isotherms,Used tire
نویسندگان مقاله Ahmed Belgacem |
Laboratory of Transfer Phenomena, Faculty of Mechanical and Processes Engineering, University of Sciences and Technology Houari Boumediene, BP n 32 El Alia Bab Ezzouar 16111 Algiers, ALGERIA

Insaf Ould Brahim |
Laboratory of Transfer Phenomena, Faculty of Mechanical and Processes Engineering, University of Sciences and Technology Houari Boumediene, BP n 32 El Alia Bab Ezzouar 16111 Algiers, ALGERIA

Mohamed Belmedani |
Laboratory of Transfer Phenomena, Faculty of Mechanical and Processes Engineering, University of Sciences and Technology Houari Boumediene, BP n 32 El Alia Bab Ezzouar 16111 Algiers, ALGERIA

Hocine Hadoun |
CRNA, 02, Boulevard Frantz Fanon, BP 399, Alger-gare, ALGERIA

نشانی اینترنتی https://ijcce.ac.ir/article_44957_51195f1547669235ae70aa5438a32eb0.pdf
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