Korean Chemical Engineering Research

The Korean Institute of Chemical Engineers (한국화학공학회)
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Preparation of Zeolite Membranes on Papers or Fibers

종이나 섬유를 지지체로 이용한 제올라이트 박막의 제조

  • Song, Kyeong-Keun (Faculty of Applied Chemical Engineering, Chonnam National University) ;
  • Ha, Kwang (Faculty of Applied Chemical Engineering, Chonnam National University)
  • 송경근 (전남대학교 응용화학공학부) ;
  • 하광 (전남대학교 응용화학공학부)
  • Received : 2005.10.13
  • Accepted : 2005.11.24
  • Published : 2005.12.31
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Abstract

Zeolite membranes on various supports such as filter paper, cotton fiber, and glass fiber filter were prepared by secondary growth hydrothermal synthesis. First, zeolite NaA (${\approx}0.5{\mu}m$) and silicalite-1 (${\approx}0.2{\mu}m$) crystals were synthesized as zeolite seed crystals, and they were attached to the surfaces of the supports via chemical bonding. Zeolite NaA or silicalite-1 membranes could be synthesized on the supports coated with the seed crystals. The prepared zeolite membranes were observed by scanning electron microscope and analyzed by X-ray diffraction.

종이 필터, 면섬유, 유리섬유 필터 등과 같은 지지체 위에 이차성장 수열합성법에 의하여 제올라이트 박막을 제조하였다. 먼저, 제올라이트 종자로 사용하기 위하여 제올라이트 NaA(${\approx}0.5{\mu}m$)와 silicalite-1(${\approx}0.2{\mu}m$) 결정들을 합성하였고, 이 결정들을 지지체의 표면에 화학결합을 이용하여 부착시켰다. 종자 결정으로 덮힌 지지체 위에 NaA나 silicalite-1 제올라이트 박막이 생성되었으며, 제조된 박막은 주사형 전자현미경으로 관찰하였고, X-ray 회절로 분석하였다.

Keywords

Acknowledgement

Supported by : 전남대학교

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