کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
177953 459008 2006 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Biosorption of malachite green, a cationic dye onto Pithophora sp., a fresh water algae
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Biosorption of malachite green, a cationic dye onto Pithophora sp., a fresh water algae
چکیده انگلیسی

Batch sorption experiments were carried out for the removal of malachite green from its aqueous solution using Pithophora sp., a fresh water algae as biosorbent. Dye uptake was found to increase with contact time and initial malachite green concentration. Equilibrium uptake was found to be pH dependent and maximum uptake was observed at a pH of 6. The effect of algae concentration on equilibrium uptake was also estimated. The equilibrium data tend to fit Freundlich isotherm equation. Kinetic studies showed that the biosorption process follows first order rate kinetics with an average rate constant of 0.9213 min−1. The study confirms that the fresh water algae can be used as biosorbent for the removal of malachite green from its aqueous solution. The biosorption process was found to be surface diffusion controlled with an effective diffusion coefficient of 0.011361 cm2/s.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Dyes and Pigments - Volume 69, Issues 1–2, 2006, Pages 102–107
نویسندگان
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