期刊
RADIATION PHYSICS AND CHEMISTRY
卷 182, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.radphyschem.2021.109362
关键词
Glycidol-containing adsorbent; Radiation-induced grafting; N-vinylformamide; Boron adsorption; PE; PP non-Woven fibrous sheet
资金
- Universiti Teknologi PETRONAS (UTP) [015LC0065]
An adsorbent with high boron selectivity was prepared by modification of fibrous polyethylene/polypropylene nonwoven sheet via radiation induced grafting of NVF followed by hydrolysis and functionalization. The fibrous adsorbent with fully hydrolyzed P(NVF) grafts exhibited superior boron adsorption capacity compared to other counterparts at pH 7.
An adsorbent containing glycidolized poly(vinylamine) ligand with a remarkably high boron selectivity was prepared by modification of fibrous polyethylene/polypropylene (PE/PP) nonwoven sheet by radiation induced grafting (RIG) of N-vinylformamide (NVF) followed by hydrolysis and subsequent functionalization with glycidol. The variation of the absorbed dose and monomer concentration was used to control the content of the grafted P(NVF). Fourier transform infrared (FTIR), X-ray photoelectron spectroscopy (XPS) and scanning electron microscope (SEM) were used to verify the chemical and morphological changes accompanied the applied procedure and boron loading. The fibrous adsorbent with fully hydrolyzed P(NVF) grafts of 120% exhibited a superior boron adsorption capacity of 21.4 mg/g compared to commercial and researched counterparts at pH 7.
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