Study on the adsorption of heavy metal ions Pb2+, Zn2+, Co2+, Ni2+ from the aqueous solution of the copolymer prepared by gamma induced radiation polymerization

Authors

  • Bao Ngoc Pham, Giang Nguyen, Van Toan Le, Xuan Cuong Le, Minh Hiep Nguyen, Ngoc Bich Đao Vu, Thi Tam Tran, Van Thuc Le, Thi Thuy Linh Le, Thi Bich Thy Le, Huynh Dien Han, Trong Hoanh Phong Nguyen*

Keywords:

copolymer, PVA-g-AA, radiation polymerization

Abstract

Copolymer hydrogel (PVA-g-AA) having varied PVA (Polyvinyl alcohol) and AA (Acrylic acid) content is prepared by gamma induced radiation polymerization. The parameters affecting the gel fraction yield have been studied. The gel fraction and the swelling property are found to be 92.39 and 905% respectively at an absorbed dose of 20 kGy. Structural and property characteristics were determined by Fourier Transform Infrared (FTIR) spectrometer and Differential Scanning Calorimetry (DSC). The surface morphology of PVA and copolymer has been studied with Scanning Electron Microscope (SEM). The factors affecting the metal uptake such as pH, time, and initial feed metal concentration were investigated. It is found that at pH 5 and after 240 minutes the maximum adsorption amount are 178, 161, 117, and 110 mg/g for Pb2+, Zn2+, Co2+, and Ni2+ respectively.

DOI:

https://doi.org/10.31276/VJST.63(3).06-11

Classification number

1.4

Author Biography

Bao Ngoc Pham, Giang Nguyen, Van Toan Le, Xuan Cuong Le, Minh Hiep Nguyen, Ngoc Bich Đao Vu, Thi Tam Tran, Van Thuc Le, Thi Thuy Linh Le, Thi Bich Thy Le, Huynh Dien Han, Trong Hoanh Phong Nguyen*

Radiation Technology and Biotechnology Center, Dalat Nuclear Research Institute

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Published

2021-03-30

Received 17 August 2020; accepted 6 October 2020

How to Cite

Pham Bao Ngoc, Nguyen Giang, Le Van Toan, Le Xuan Cuong, Nguyen Minh Hiep, Vu Ngoc Bich Dao, Tran Thi Tam, Le Van Thuc, Le Thi Thuy Linh, Le Thi Bich Thy, Han Huynh Dien, Nguyen Trong Hoanh Phong*. (2021). Study on the adsorption of heavy metal ions Pb2+, Zn2+, Co2+, Ni2+ from the aqueous solution of the copolymer prepared by gamma induced radiation polymerization. Version B of Vietnam Journal of Science and Technology, 63(3). https://doi.org/10.31276/VJST.63(3).06-11

Issue

Vol. 63 No. 3 (2021): Volume 63 - Number 3 - March 2021

Section

Natural Sciences