Development of Banana Pseudostem Supported Polymeric Adsorbent for Effective Removal of Cationic Dyes from Wastewater 


Vol. 25,  No. 8, pp. 2935-2951, Aug.  2024
10.1007/s12221-024-00608-2


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  Abstract

A polymer network system has been made by microwave-assisted free radical co-polymerization of N-hydroxyethylacrylamide (HEAAm) and N,N-methylenebisacrylamide (MBA) in the presence of banana pseudostem (BPS) as the supporting material. The grafting of poly(HEAAm-co-MBA) on BPS resulted in a gel BPS-g-PHEAAm that was characterized using FTIR, TGA, SEM, EDS, and XRD techniques. A pH-responsive swelling was observed. The water transport was found to be of Fickian type. The material was evaluated for the adsorptive removal of cationic dyes from aqueous solutions using two model dyes. Maximum adsorptions of 88.94 and 76.82 mg/g were observed for Methylene blue (MB) and Crystal violet (CV), respectively. Kinetic and isotherm studies revealed the adsorption to be a pseudo-second-order kinetic process that fits well with the Freundlich adsorption isotherm model. The adsorption was found to be a spontaneous and endothermic process. Desorption studies indicated complete desorption in acidic medium. Further, the gel BPS-g-PHEAAm was observed to be biodegradable. Thus, the developed material appears to be a promising adsorbent for the treatment of wastewater contaminated with cationic dyes.

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  Cite this article

[IEEE Style]

S. Shruthi and B. Vishalakshi, "Development of Banana Pseudostem Supported Polymeric Adsorbent for Effective Removal of Cationic Dyes from Wastewater," Fibers and Polymers, vol. 25, no. 8, pp. 2935-2951, 2024. DOI: 10.1007/s12221-024-00608-2.

[ACM Style]

S. Shruthi and B. Vishalakshi. 2024. Development of Banana Pseudostem Supported Polymeric Adsorbent for Effective Removal of Cationic Dyes from Wastewater. Fibers and Polymers, 25, 8, (2024), 2935-2951. DOI: 10.1007/s12221-024-00608-2.

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