Membrane and Water Treatment

  • 제6권3호
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  • Pages.251-262
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  • 2015
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  • 2005-8624(pISSN)
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  • 2092-7037(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Preparation and characterization of TiO2 membrane on porous 316 L stainless steel substrate with high mechanical strength

  • Mohamadi, Fatemeh (Department of Mining and Metallurgical Engineering, Amirkabir University of Technology(Tehran Polytechnic)) ;
  • Parvin, Nader (Department of Mining and Metallurgical Engineering, Amirkabir University of Technology(Tehran Polytechnic))
  • 투고 : 2014.08.27
  • 심사 : 2015.03.04
  • 발행 : 2015.05.25
⟨ 이전 논문 다음 논문 ⟩

초록

In this work the preparation and characterization of a membrane containing a uniform mesoporous Titanium oxide top layer on a porous stainless steel substrate has been studied. The 316 L stainless steel substrate was prepared by powder metallurgy technique and modified by soaking-rolling and fast drying method. The mesoporous titania membrane was fabricated via the sol-gel method. Morphological studies were performed on both supported and unsupported membranes using scanning electron microscope (SEM) and field emission scanning microscope (FESEM). The membranes were also characterized using X-ray diffraction (XRD) and $N_2$-adsorption / desorption measurement (BET analyses). It was revealed that a defect-free anatase membrane with a thickness of $1.6{\mu}m$ and 4.3 nm average pore size can be produced. In order to evaluate the performance of the supported membrane, single-gas permeation experiments were carried out at room temperature with nitrogen gas. The permeability coefficient of the fabricated membrane was $4{\times}10^{-8}\;lit\;s^{-1}\;Pa^{-1}\;cm^{-1}$.

키워드

과제정보

연구 과제 주관 기관 : Iran National Science Foundation (INSF)

참고문헌

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