FULLERENOL-POLYAMIDE THIN FILM COMPOSITE HOLLOW FIBER MEMBRANES FOR LOW MOLECULAR WEIGHT CUT-OFF ULTRAFILTRATION
https://doi.org/10.29235/1561-8323-2018-62-2-185-192
Abstract
Fullerenol C60(OH)24 was incorporated into a polyamide (PA) selective layer to develop novel thin film nanocomposite (TFN) hollow fiber membranes for low molecular weight cut-off ultrafiltration. TFN membranes were fabricated using the interfacial polycondensation technique by alternately pumping a fullerenol dispersion into the triethylenetetramine (TETA) aqueous solution and the isophthaloyl chloride solution into hexane through polysulfone hollow fiber membranes. The contact angle of the skin layer was found to decrease sharply from 34 to 21° when the concentration of fullerenol increases up to 0.5 wt. % in the TETA aqueous solution. Antifouling properties of the PA/fullerenol membranes were found to be superior to the initial membrane. The maximum fouling recovery ratio was observed for the TFN membrane with 0.3–0.75 wt. % of fullerenol in the TETA aqueous solution.
About the Authors
A. V. Bildyukevich
Institute of Physical Organic Chemistry of the National Academy of Sciences of Belarus, Minsk
Belarus
Academician, D. Sc. (Chemistry), Professor, Director
Belarus
Academician, D. Sc. (Chemistry), Professor, Director
T. V. Plisko
Institute of Physical Organic Chemistry of the National Academy of Sciences of Belarus, Minsk
Belarus
Ph. D (Chemistry), Senior researcher
Belarus
Ph. D (Chemistry), Senior researcher
A. S. Liubimova
Institute of Physical Organic Chemistry of the National Academy of Sciences of Belarus, Minsk
Belarus
Researcher
Belarus
Researcher
A. V. Penkova
Saint-Petersburg State University, Saint Petersburg
Russian Federation
Ph. D. (Chemistry), Associate Professor
Russian Federation
Ph. D. (Chemistry), Associate Professor
M. E. Dmitrenko
Saint-Petersburg State University, Saint Petersburg
Russian Federation
Assistant
Russian Federation
Assistant
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