Kinetic and Equilibrium Studies of Biosorption of Methylene Blue and Crystal Violet Using Leaf Biomass (Albizia saman) as Adsorbent

S N Saha¹ and Amirtharaj K^1,

¹Department of Chemical Engineering, Guru Ghasidas Vishwavidyalaya (Central University), Bilaspur-495009, Chhattisgarh, India

Cite this paper:
S N Saha and Amirtharaj K. Kinetic and Equilibrium Studies of Biosorption of Methylene Blue and Crystal Violet Using Leaf Biomass (Albizia saman) as Adsorbent. Chemical Engineering and Science. 2022; 7(1):1-6. doi: 10.12691/ces-7-1-1

Abstract

The essential objective of the present research work is removal of dye from industrial waste effluent using a plant leaf biomass (Albizia Saman). The Absorption process is found to be one of the effective and economic ways for the treatment of dye solution. Methylene Blue and Crystal Violet have been used as a sorbate for evaluating the potential of Albizia Saman as a biosorbent. Powdered biomass was used in this experiment. The experiments were carried out by varying different parameters like pH (5-8), adsorbent dosage (100-700 mg), concentration ratios of 30:30, 50:10, 10:50. Incubation was carried out at a temperature of 34°C and rotated at 130 RPM. Kinetic study shows that biosorption of methylene blue and crystal violet follows a pseudo second order kinetic model. It also validates the experimental dye removal capacity (R² =.99) with the calculated values. The equilibrium sorption data of methylene blue and crystal violet by Albizia saman were analysed by Langmuir isotherm model.

Keywords:
methylene blue crystal violet biosorption Albizia saman

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