Aromatic solvent-assisted interfacial polymerization to prepare high performance thin film composite reverse osmosis membranes based on hydrophilic supports
- Authors
- Park, Sung-Joon; Kwon, Soon Jin; Kwon, Hyo-Eun; Shin, Min Gyu; Park, Sang-Hee; Park, Hosik; Park, You-In; Nam, Seung-Eun; Lee, Jung-Hyun
- Issue Date
- 23-5월-2018
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Polyamide thin film composite membrane; Reverse osmosis; Desalination; Water treatment; Interfacial polymerization; Polyacrylonitrile
- Citation
- POLYMER, v.144, pp.159 - 167
- Indexed
- SCIE
SCOPUS
- Journal Title
- POLYMER
- Volume
- 144
- Start Page
- 159
- End Page
- 167
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/75503
- DOI
- 10.1016/j.polymer.2018.04.060
- ISSN
- 0032-3861
- Abstract
- We report an aromatic solvent-assisted interfacial polymerization (IP) method to prepare high performance thin film composite reverse osmosis (RO) membranes based on a polyacrylonitrile support. The use of toluene and xylene as an organic solvent phase led to excellent water flux and unprecedentedly high NaCI rejection (similar to 99.9%), exceeding both the control membrane prepared using a conventional aliphatic solvent (n-hexane) and commercial RO membranes. The membrane prepared using n-hexane had a thick and moderately dense PA layer, due to the limited amine monomer diffusion, accounting for its relatively low performance. In contrast, the membranes fabricated using toluene/xylene had roof-like structures covering a thin and highly dense basal PA layer, which was formed by increased amine diffusion and an expanded miscible interface zone resulting from the enhanced miscibility of toluene/xylene with water. The excellent membrane performance achieved using toluene/xylene can be attributed to the thin and highly cross-linked basal PA layer. (C) 2018 Elsevier Ltd. All rights reserved.
- Files in This Item
- There are no files associated with this item.
- Appears in
Collections - College of Engineering > Department of Chemical and Biological Engineering > 1. Journal Articles
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.