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Published: 2020-12-15
Abstract Views: 244
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DOI: https://doi.org/10.53747/jnst.v10i4.15
Issue
Vol. 10 No. 4 (2020)
Section
Articles
How to Cite
Uyen, T. T. ., Anh, T. T. T., Kume, T., Vu, C. D., Hiep, N. M., Cuong, L. X., & Hoan, N. N. (2020). Preparation of hydrogel reinforced with bentonite by gamma irradiation for metal absorption. Nuclear Science and Technology, 10(4), 48-55. https://doi.org/10.53747/jnst.v10i4.15

Preparation of hydrogel reinforced with bentonite by gamma irradiation for metal absorption

Tran To Uyen1, Trinh Thi Tu Anh1, Tamikazu Kume, Cao Dong Vu2, Nguyen Minh Hiep2, Le Xuan Cuong, Nguyen Ngoc Hoan1
1 Dalat University, 01 Phu Dong Thien Vuong, Dalat, Lam Dong, Vietnam
2 Dalat Nuclear Research Institute, 01 Nguyen Tu Luc, Dalat, Lam Dong, Vietnam

Main Article Content

Abstract

A natural-based sodium carboxymethyl cellulose (CMC) hydrogel reinforced with bentonite was prepared by using gamma irradiation technology. This is a novel hydrogel that uses natural polymer to absorb metal ions in wastewater. The influence of dose, concentration of CMC and bentonite on the sorption of hydrogels was investigated by atomic absorption spectrometry (AAS) method. According to the Langmuir isotherm model, the maximum adsorption capacities of CMC/bentonite hydrogel for Cu2+ and Pb2+ were 181.82 mg/g and 204.08 mg/g at room temperature, respectively. The pseudo-second-order model which describes the adsorption process of Cu2+ and Pb2+ was also studied

Article Details

Keywords

carboxymethyl cellulose, bentonite, hydrogel, Pb2, Cu2

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