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Adsorption of Rare Earth Metals from Water using a Kenaf Cellulose-based Poly(hydroxamic acid) Ligand

Lutfor, M. R. and Biswas, Tapan Kumar and Sarkar, Shaheen M. and M. M., Yusoff and Mohd Sani, Sarjadi and Arshad, Sazmal E. and Musta, Baba (2017) Adsorption of Rare Earth Metals from Water using a Kenaf Cellulose-based Poly(hydroxamic acid) Ligand. Journal of Molecular Liquids, 243. pp. 616-623. ISSN 0167-7322

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A kenaf cellulose-based poly(hydroxamic acid) ligandwas synthesized frompoly(methylacrylate) grafted cellulose and applied towards the adsorption of rare earthmetals fromaqueousmedia. The startingmaterials and final product were examined by FT-IR, FE-SEM, and ICP-MS. Remarkable maximum adsorption results were obtained for the earthmetals La3+, Ce3+, Pr3+, Gd3+, Nd3+, Eu3+, and Sm3+, with values of 260, 245, 235, 220, 210, 195, and 192 mg g−1, respectively. The adsorption capacities of the ligand for adsorption of rare earth metals were well fitted with the pseudo-second-order rate equation. Further, the adsorption properties of the rare earth ionswere nicelymatchedwith the Langmuir isothermmodel, (R2 N 0.99), thus suggesting that the adsorbent surface of the ligand ismonolayer and homogenous in nature. The reusability of the created ligandwas evaluated by carrying out sequential sorption/desorption experiments, indicating that the developed adsorbent can be reused for at least 10 cycles without incurring any significant losses to its primary removal capabilities.

Item Type: Article
Uncontrolled Keywords: Adsorption; Poly(hydroxamic acid); Rare earth; Separation; Kenaf cellulose
Subjects: Q Science > QD Chemistry
Faculty/Division: Faculty of Industrial Sciences And Technology
Depositing User: Dr. Md Shaheen Sarkar
Date Deposited: 11 Dec 2017 07:19
Last Modified: 27 Jul 2018 01:38
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