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Synthesis of a Bioadsorbent From Jute Cellulose, and Application for Aqueous Cd (II) Removal

Synthesis of a Bioadsorbent From Jute Cellulose, and Application for Aqueous Cd (II) Removal

Chong Li, Menghang Zhang, Huiting Zhong, Hezhi He, Yanhong Feng, Xiaochun Yin

Carbohydr Polym. 2018 Jun 1;189:152-161.

PMID: 29580393

Abstract:

A low-cost, high-adsorption-capacity, eco-friendly bioadsorbent for removing Cd2+ from aqueous solution is reported. J-g-P(AM-co-AANa) was prepared by hydrolysis of the grafted copolymer, which was synthesized by free radical polymerization of acrylamide (AM) with jute fibers (JSE) pretreated by continuous screw-extrusion steam explosion. Fourier transform infrared and solid-state 13C nuclear magnetic resonance spectroscopies, confirmed that amino and carboxylate groups were introduced into J-g-P(AM-co-AANa). X-ray diffraction showed that the crystallinity of J-g-P(AM-co-AANa) was significantly lower than that of JSE. The surface morphology of bioadsorbent was investigated by scanning electron microscopy (SEM). The adsorption capacity of Cd2+ on J-g-P(AM-co-AANa) was evaluated for different solution pH values, contact times, and initial Cd2+ concentrations. The adsorption kinetics followed the pseudo-second-order kinetic model, and the rate controlling step was chemisorption. The adsorption isotherm was well fitted by the Freundlich model, and the adsorption process was multilayer adsorption. The maximum adsorption capacity was 344.8 mg/g, which indicated that the bioadsorbent was effective for removing Cd2+ from aqueous solution.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP10022681	Cadmium nitrate tetrahydrate		10022-68-1	Price

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