Journal
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
Volume 105, Issue -, Pages 17-27Publisher
ELSEVIER
DOI: 10.1016/j.jtice.2019.10.009
Keywords
Ceramic hollow fiber membrane; ZnO nanorods; Superhydrophobic surface; Vacuum membrane distillation; Antifouling
Categories
Funding
- National Key Research and Development Program of China [2018YFB0604302-03]
- National Research Foundation of Korea (NRF) - Korea government (MSIT) [2019R1C1C1006310, 2019R1A2Cl002844]
- Ministry of Education, Korea [2016R1A6A1A03012877]
- Brain Pool program - Ministry of Science and ICT through the National Research Foundation of Korea [2019H1D3A2A02100593]
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University
- National Research Foundation of Korea [2019H1D3A2A02100593, 2019R1C1C1006310] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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To solve the problems of membrane material tolerance and membrane fouling, a micro/nano hierarchial structure with low surface energy was constructed above the exterior surface of a ceramic hollow fiber membrane using ZnO nanorod arrays and 1H,1H,2H,2H-perfluorodecyltriethoxysilane (PDTS) coatings, which make it superhydrophobic and self-cleaning. The surface morphology, chemical functional groups, and water contact angel of the modified membranes were identified. The results show that large quantity of ZnO nanorods possess desirable characteristics (i.e. superhydrophobicity, exceptional thermal and mechanical stability, and water contact angle of 160.12 degrees) were detected on the ceramic membrane. The novel membrane shows excellent self-cleaning performance and good desalination ability in the utilization of vacuum membrane distillation (VMD) system for high-salinity water desalination. (C) 2019 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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