期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 149, 期 -, 页码 459-466出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2020.01.199
关键词
Food materials; Cellulose nanofibers; Citric acid modification; Electrospinning; Adsorption
资金
- Young Elite Scientists Sponsorship Program by CAST [2018QNRC001]
- Hubei Key Laboratory for Processing and Transformation of Agricultural Products (WHPU, China) [2018HBSQGDKFB01]
- Talent Introduction Foundation of WHPU [2016RZ22]
- Research and Innovation Initiatives of WHPU [2018J01]
- Province Key Laboratory of Cereal Resource Transformation and Utilization, Henan University of Technology [PL2018001]
Nanoscale biomass materials derived from food materials (e.g., polysaccharide, protein, organic add) have shown great promises with regard to the removal of heavy metal in wastewater treatment. Herein, we have developed the functionalized cellulose nanofibrous mats as an environment-friendly biosorbent via electrospinning of cellulose acetate solution, followed by deacetylation and citric acid modification. The morphology, chemical, and structural characterizations of the cellulose nanofibrous mats were examined by SEM, FTIR, XRD, DSC, and TGA to follow each stage of the preparation process of them. The effect of the incorporation of citric acid in the cellulose molecule on the adsorption performance of the naofibrous mats was then studied by batch adsorption experiments. Consequently, citric add-modified cellulose nanofibrous mats with reasonably high absorption selectivity for Cr(VI) can be readily prepared. Results from this study may provide a promising food materials-based biosorbent that can be used as an emerging material in wastewater treatment application. (C) 2020 Elsevier B.V. All rights reserved.
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