The Color Removal of Dye-Containing Wastewater by Cerium (IV) Sulfate from Aqueous Solutions

الموضوعات :

Elham Keshmirizadeh ¹ , Roghayeh Dideh khani ²

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تاريخ الإرسال : 04 الإثنين , صفر, 1437 تاريخ التأكيد : 04 الإثنين , صفر, 1437 تاريخ الإصدار : 29 الأربعاء , صفر, 1435

الکلمات المفتاحية:

ملخص المقالة :

In this study a giant reagent such as Ce (SO4 )2 was used for removing different initial dye concentration (10-1000 mg/l) of reactive red 31 (R.R31) less than two minutes in a laboratory scale whereas the percent of dye removal efficiency was %99.9. The Langmuir, Freundlich and Tempkin adsorption models were applied to describe the equilibrium isotherms. The Langmuir model agreed very well with experimental data (R2 > 0.99). The kinetics of adsorption was evaluated by the pseudo first-order, second-order and intra particle models. The data agreed well with the pseudo first-order kinetic model. These results demonstrated that Ce (SO4 )2 is an efficient reagent for removal of R.R 31 from aqueous solutions.