3D Printed Functionalized Nanocellulose as an Adsorbent in Batch and Fixed-Bed Systems

Mohd Shaiful, Sajab and Wan Nazihah Liyana, Wan Jusoh and Denesh, Mohan and Hatika, Kaco and Rubiyah, Baini (2023) 3D Printed Functionalized Nanocellulose as an Adsorbent in Batch and Fixed-Bed Systems. Polymers, 15 (969). pp. 1-12.

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Abstract

Nanocellulose, a refined form of cellulose, can be further functionalized on surface-active sites, with a catalyst as a regenerative agent. Newly developed adsorbents are expected to have the characteristics of good and rapid adsorption performance and regeneration properties with flexible structure using 3D printing technology. In this work, the adsorption performance of 3D printed functionalized nanocellulose was investigated using batch and fixed-bed column adsorption. Kinetics adsorption studies were divided into different adsorption models, with the pseudo-second order model showing a better correlation coefficient than the pseudo-first order and intraparticle diffusion models. The Langmuir and Thomas models were used to calculate the adsorption performance of batch and fixed-bed columns. Given the catalytic activity of Fenton oxidation, the fixed-bed column was regenerated up to five adsorption-desorption cycles, suggesting satisfactory performance of the column, with a slightly reduced adsorption capacity

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