Modification Of Hazell Nut Shell With Fe3O4 and removal of Chromium ions from aqueous solution
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عنوان دوره: اولین همایش ملی توسعه فناوری نانو در علوم پایه و مهندسی
کد مقاله : 1046-DNBSE
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گیلان رشت دانشکده علوم پایه آزمایشگاه شیمی معدنی دکتر فلاح شجاعی
چکیده
In this study, modified Hazel Nut Shell ( HS ) were used to remove Cr( III ) ions from aqueous solutions. For this purpose, FeCl₃ And FeCl₃ + NaOH .were used as modifying agents. Several important parameters influencing the adsorption of Cr( III ) ions such as contact time, PH and inital Metal concentration were investigated following batch experiments. From the results, it is indicated that room temperature and solution PH = 7.0 the Optimum conditions for adsorption. Maximum adsorption experimental capacities of HS that was treated with FeCl₃ and FeCl₃ + NaOH mere 4.37 and 11.84 mg g⁻¹ for Chromium ,respectively. The adsorption data at optimum conditions were analyzed by Freundlich, Langmuir isotherm models, and it was found that Freundlich isotherm model gives better fit.
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