A Green Approach to the Removal of Malachite Green Dye from Aqueous Medium Using Chitosan/Cellulose Blend 


Vol. 24,  No. 4, pp. 1297-1308, Apr.  2023
10.1007/s12221-023-00134-7


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  Abstract

The usage of a cost-eff ective, eco-friendly, and highly effi cient adsorbent for the removal of dye from an aqueous solution is presented in this paper. This work focuses on the prospective use of chitosan/cellulose blend to remove malachite green (MG) from an aqueous medium. Results revealed that the maximum adsorption of the dye occurs within 30 min of the experiment. The SEM images exhibited a change in their surface morphology upon the adsorption of dye. The adsorption isotherm of MG fi ts the Langmuir and Freundlich equations and follows the pseudo-second-order rate equation. Freundlich isotherm exhibited the maximum adsorption capacity of 115.1 mg/g when compared to Langmuir isotherm. 98.65% of dye degradation is observed at room temperature for an adsorbent dosage of 0.2 g per 30 ml initial dye concentration. R L , dimensionless constant separation factor evaluated at room temperature in the present study is 0.1488, which specifi es that the adsorption is favorable. Current analysis and its comparison studies with other reports on adsorbents conclude that the chitosan/cellulose blend can be considered a cost-eff ective choice for the removal of MG.

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  Cite this article

[IEEE Style]

B. Shetty, S. R. Yashodha, J. Johns, "A Green Approach to the Removal of Malachite Green Dye from Aqueous Medium Using Chitosan/Cellulose Blend," Fibers and Polymers, vol. 24, no. 4, pp. 1297-1308, 2023. DOI: 10.1007/s12221-023-00134-7.

[ACM Style]

Bhavyashri Shetty, S. R. Yashodha, and Jobish Johns. 2023. A Green Approach to the Removal of Malachite Green Dye from Aqueous Medium Using Chitosan/Cellulose Blend. Fibers and Polymers, 24, 4, (2023), 1297-1308. DOI: 10.1007/s12221-023-00134-7.

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