期刊
NUCLEAR ENGINEERING AND TECHNOLOGY
卷 49, 期 1, 页码 172-177出版社
KOREAN NUCLEAR SOC
DOI: 10.1016/j.net.2016.09.002
关键词
Adsorption; Biosorbent; Immobilization; Magnetic Chitosan; Radioactive Waste; Saccharomyces Cerevisiae; Strontium
资金
- National Natural Science Foundation of China [51578307]
- Program for Changjiang Scholars and Innovative Research Team in College [IRT-13026]
- National ST Major Project [2013ZX06002001]
A novel biosorbent, immobilized Saccharomyces cerevisiae in magnetic chitosan microspheres was prepared, characterized, and used for the removal of Sr2+ from aqueous solution. The structure and morphology of immobilized S. cerevisiae before and after Sr(2+)adsorption were observed using scanning electron microscopy with energy dispersive X-ray spectroscopy. The experimental results showed that the Langmuir and Freundlich isotherm models could be used to describe the Sr2+ adsorption onto immobilized S. cerevisiae microspheres. The maximal adsorption capacity (q(m)) was calculated to be 81.96 mg/g by the Langmuir model. Immobilized S. cerevisiae was an effective adsorbent for the Sr2+ removal from aqueous solution. Copyright (C) 2016, Published by Elsevier Korea LLC on behalf of Korean Nuclear Society.
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