کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
583615 1453174 2008 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Biosorption of Cr (VI) from aqueous solutions by biomass of Agaricus bisporus
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی بهداشت و امنیت شیمی
پیش نمایش صفحه اول مقاله
Biosorption of Cr (VI) from aqueous solutions by biomass of Agaricus bisporus
چکیده انگلیسی
In this study, biosorption of Cr (VI) ion was investigated by using biomass of Agaricus bisporus (a species of mushroom) in a temperature and shaking speed controlled shaker. The effect of shaking speed, biomass concentration, initial metal ion concentration and initial pH on biosorption yield was determined and the fitness of biosorption data for Freundlich and Langmuir adsorption models was investigated. Optimum biosorption conditions were found to be pH 1, C0 = 50 mg/l, m = 10 g/l, shaking speed = 150 rpm, T = 20 °C Cr (VI), respectively. It was found that biosorption of Cr (VI) ions onto biomass of A. bisporus was better suitable to Freundlich adsorption model than Langmuir adsorption model. The correlation coefficients for the second-order kinetic model obtained were found to be 0.999 for all concentrations. These indicate that the biosorption system studied belongs to the second-order kinetic model.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Hazardous Materials - Volume 154, Issues 1–3, 15 June 2008, Pages 432-439
نویسندگان
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