Supersonically blown nylon-6 nanofibers entangled with graphene flakes for water purification
- Authors
- Lee, Jong-Gun; Kim, Do-Yeon; Mali, Mukund G.; Al-Deyab, Salem S.; Swihart, Mark T.; Yoon, Sam S.
- Issue Date
- 2015
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- NANOSCALE, v.7, no.45, pp.19027 - 19035
- Indexed
- SCIE
SCOPUS
- Journal Title
- NANOSCALE
- Volume
- 7
- Number
- 45
- Start Page
- 19027
- End Page
- 19035
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/96362
- DOI
- 10.1039/c5nr06549f
- ISSN
- 2040-3364
- Abstract
- Water purification membranes, capable of purifying a few to tens of milliliters of aqueous methylene blue solution in a minute, were produced by supersonically blowing graphene flakes with a nylon-6 polymeric solution. The solution-blown nylon-6 nanofibers became entangled with graphene flakes thereby locking the graphene flakes within the frame of the bendable two-dimensional film structure. This method, which yielded a 5 x 7 cm(2)-sized membrane in less than 10 seconds, is commercially viable owing to fast fabrication and scalability. We show that our water purification device allows a flow rate range of 0.3-4 L h(-1) with a membrane area of just 5 cm(2), under a pressure difference of 0.5-3.5 bar. If the membrane were scaled up to 0.5 m(2), it could provide 300-4000 L h(-1) flow rate, an ample supply for home use.
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Collections - College of Engineering > Department of Mechanical Engineering > 1. Journal Articles
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