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Polyarylester nanofiltration membrane prepared from monomers of vanillic alcohol and trimesoyl chloride.
- Source :
-
Separation & Purification Technology . Mar2018, Vol. 193, p58-68. 11p. - Publication Year :
- 2018
-
Abstract
- Ammonium lignosulfonate (AL), a cheap lignin derivative with abundant phenolic building block structures, was first used as the monomer to synthesize a thin film composite nanofiltration (NF) membrane via interfacial polymerization with trimesoyl chloride (TMC) on the cross-linked poly(ether imide) substrate. The AL-TMC NF membranes show superior organic solvent resistance, the optimal NF-2AL membrane has a permeance of 0.97 L m −2 h −1 MPa −1 and a 98% rejection for Brilliant Blue R-250 (BB, 825 g mol −1 ) in DMSO. To enhance the permeance further, we adopted vanillic alcohol (VA), which possesses a molecular structure similar to the subunit of AL, to synthesize a VA-TMC NF membrane. Combining with characterizations of ATR-FTIR, 13 C NMR, XPS, SEM and AFM, etc., it is illustrated that the VA-TMC NF membrane is composed of polyarylester and exhibits high DMSO permeance about 21 L m −2 h −1 MPa −1 , the comparable BB rejection of 89% and a rejection of 81% for clindamycin phosphate. These results suggest a promising route to select potential monomers to synthesize desirable nanofiltration membrane with superior antisolvent property and separation performance. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 13835866
- Volume :
- 193
- Database :
- Academic Search Index
- Journal :
- Separation & Purification Technology
- Publication Type :
- Academic Journal
- Accession number :
- 126804516
- Full Text :
- https://doi.org/10.1016/j.seppur.2017.10.047