Fabrication of carbon nanomaterial-based conductive membrane for microalgae harvesting = 미세조류 수확을 위한 탄소나노소재 기반 전도성 막 개발

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Conductive membrane is a membrane that can remove and prevent foulants under an electric field, which allows long-term microalgae filtration with high efficiency. The key technology is to fabricate highly conductive membrane. In this study, to verify effects of the conductive membrane, membrane cleaning efficiency by an electrochemical method was compared with conventional membrane cleaning methods using conductive silver membranes. High foulants removal ability with the electric field revealed the potential of the conductive membrane. Carbon nanomaterials, well known for high conductivity, had been used for conductive membrane preparation and two conductive membranes were fabricated: One is a carbon nanotube embedded polyacrylonitrile membrane embedding a stainless steel mesh as a supporting layer. The other is a carbon nanofiber-silica hybrid membrane. Both membranes showed improvement of microalgae harvesting performance when the electric field was applied. This research demonstrated the great fouling inhibition effect of the carbon nanomaterial-based membrane and suggested the promising potential of the conductive membrane which will reduce cost and increase efficiency of microalgae harvesting process.
Advisors
Han, Jong Inresearcher한종인researcher
Description
한국과학기술원 :건설및환경공학과,
Publisher
한국과학기술원
Issue Date
2017
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 건설및환경공학과, 2017.8,[v, 45 p. :]

Keywords

microalgae harvesting▼acarbon nanomaterial-based membrane▼aconductive membrane▼afouling prevention▼amembrane cleaning▼acarbon nanofiber membrane▼acarbon nanotube membrane▼asilver membrane; 미세조류 수확▼a탄소나노소재 여과막▼a전도성 막▼a막오염 저감▼a여과막 세척▼a탄소나노섬유 여과막▼a탄소나노튜브 여과막▼a은 여과막

URI
http://hdl.handle.net/10203/242689
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=718519&flag=dissertation
Appears in Collection
CE-Theses_Master(석사논문)
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