期刊
DESALINATION
卷 267, 期 1, 页码 42-48出版社
ELSEVIER
DOI: 10.1016/j.desal.2010.09.004
关键词
Carbonates; Bicarbonates; Pore size distribution; Gelation kinetics; Anti-fouling
资金
- Beijing Municipal Commission of Education (China) [KM200911417008, PHR 200907105]
In this paper, polyvinylidene fluoride (PVDF)/polymethyl acrilate (PMMA)/cellulose acetate (CA) blend UF membranes were prepared by chemical reaction introduced phase-inversion method. The results of the experiment show that: (1) The membrane pore size distribution is more uniform due to the presence of carbonates or bicarbonates in the coagulation bath; (2) No more than the stoichiometric ratio amount of carbonates or bicarbonates in the coagulation bath can effectively improve the membrane pore size distribution and make the pore size of membrane more uniform; (3) The membrane prepared by carbonates solution as a working solution in coagulation bath possess superior performance than that by bicarbonates. (C) 2010 Elsevier B.V. All rights reserved.
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