Membrane Journal (멤브레인)

The Membrane Society of Korea (한국막학회)
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Preparation and Characterization of Microfiltration Membrane by Metal Particles

금속입자를 이용한 정밀여과막 제조와 특성평가

  • Kim, In-Chul (Advanced Chemical Technology Division, Korea Research Institute of Chemical Technology) ;
  • Lee, Kew-Ho (Advanced Chemical Technology Division, Korea Research Institute of Chemical Technology) ;
  • Park, Joo-Young (Advanced Chemical Technology Division, Korea Research Institute of Chemical Technology) ;
  • Jeong, Bo-Reum (Advanced Chemical Technology Division, Korea Research Institute of Chemical Technology) ;
  • Kwon, Ja-Young (Advanced Chemical Technology Division, Korea Research Institute of Chemical Technology)
  • 김인철 (한국화학연구원 신화학연구단 환경에너지연구센터) ;
  • 이규호 (한국화학연구원 신화학연구단 환경에너지연구센터) ;
  • 박주영 (한국화학연구원 신화학연구단 환경에너지연구센터) ;
  • 정보름 (한국화학연구원 신화학연구단 환경에너지연구센터) ;
  • 권자영 (한국화학연구원 신화학연구단 환경에너지연구센터)
  • Published : 2007.12.30
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Abstract

Hollow fibers were made using the nickel slurry containing nickel particles and polymers by phase inversion method. And then, metallic filters were fabricated by sintering method at $1,150^{\circ}C$ under reduction condition. Metallic microfiltration membranes were prepared by coating nickel particles on the metallic filter. The properties of the metallic hollow fiber filters and microfiltration membranes such as pore size and strength were investigated. The metallic membrane showed good resistance against acid, base and chlorine. It was observed that the membrane exhibited good recovery rate by back washing.

니켈입자와 고분자를 함유한 니켈슬러리를 상전환법을 이용하여 중공사 형태로 성형한 후, 소결법을 이용하여 $1,150^{\circ}C$ 환원조건에서 소결하여 금속 필터를 제조하였고 니켈 입자를 표면에 함침한 후, $800^{\circ}C$ 환원조건에서 소결하여 금속 정밀여과막을 제조하였다. 소결조건에 따른 금속 중공사 필터와 정밀여과막의 기공크기, 강도를 살펴보았다. 금속 중공사 정밀여과막은 산, 염기 및 염소에 대한 저항성이 뛰어났으며 역세척에 의한 투수량 회복률이 우수하였다.

Keywords

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