期刊
CARBOHYDRATE POLYMERS
卷 174, 期 -, 页码 190-199出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2017.06.064
关键词
Cellulose nanocrystalsCellulose; Cellulose diaceate; Permeability; Antifouling; Protein
资金
- National Natural Science Foundation of China [21437001]
Cellulose nanocrystals (CNCs) were introduced into cellulose diacetate (CDA) matrix via immerged phase inversion process, aiming to improve the filtration and antifouling performance of CNCs/CDA blending membrane. The effects of CNCs on membrane morphologies, hydrophilicity, permeability and antifouling property were investigated. Results showed that the incorporation of CNCs into CDA membrane could effectively enhance the permeability and antifouling property of CNCs/CDA blending membrane by optimizing membrane microstructure and improving membrane hydrophilicity. A high pure water flux of 173.8 L/m(2)h was achieved for the CNCs/CDA blending membrane at 200 KPa, which is 24 times that of the CDA membrane (7.2 L/m(2)h). The bovine serum albumin (BSA) adsorption amount of the CNCs/CDA blending membrane decreased about 48% compared to that of the CDA membrane. Additionally, the CNCs/CDA blending membrane exhibited better antifouling performance with the flux recovery ratio (FRR) of 89.5% after three fouling cycles, compared to 59.7% for the CDA membrane. (C) 2017 Elsevier Ltd. All rights reserved.
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