Membrane and Water Treatment

  • 제2권1호
  • /
  • Pages.1-24
  • /
  • 2011
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  • 2005-8624(pISSN)
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  • 2092-7037(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Emerging membrane technologies developed in NUS for water reuse and desalination applications: membrane distillation and forward osmosis

  • Teoh, May May (Department of Chemical & Biomolecular Engineering, National University of Singapore) ;
  • Wang, Kai Yu (Department of Chemical & Biomolecular Engineering, National University of Singapore) ;
  • Bonyadi, Sina (Department of Chemical & Biomolecular Engineering, National University of Singapore) ;
  • Yang, Qian (Department of Chemical & Biomolecular Engineering, National University of Singapore) ;
  • Chung, Tai-Shung (Department of Chemical & Biomolecular Engineering, National University of Singapore)
  • 투고 : 2009.07.30
  • 심사 : 2010.07.16
  • 발행 : 2011.01.25
⟨ 이전 논문 다음 논문 ⟩

초록

The deficiency of clean water is a major global concern because all the living creatures rely on the drinkable water for survival. On top of this, abundant of clean water supply is also necessary for household, metropolitan inhabitants, industry, and agriculture. Among many purification processes, advances in low-energy membrane separation technology appear to be the most effective solution for water crisis because membranes have been widely recognized as one of the most direct and feasible approaches for clean water production. The aim of this article is to give an overview of (1) two new emerging membrane technologies for water reuse and desalination by forward osmosis (FO) and membrane distillation (MD), and (2) the molecular engineering and development of highly permeable hollow fiber membranes, with polyvinylidene fluoride (PVDF) and polybenzimidazole (PBI) as the main focuses for the aforementioned applications in National University of Singapore (NUS). This article presents the main results of membrane module design, separation performance, membrane characteristics, chemical modification and spinning conditions to produce novel hollow fiber membranes for FO and MD applications. As two potential solutions, MD and FO may be synergistically combined to form a hybrid system as a sustainable alternative technology for fresh water production.

키워드

참고문헌

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