Membrane and Water Treatment

  • 제7권6호
  • /
  • Pages.495-505
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  • 2016
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  • 2005-8624(pISSN)
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  • 2092-7037(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Iron(III) removal from aqueous solution using MCM-41 ceramic composite membrane

  • Basumatary, Ashim Kumar (Department of Chemical Engineering, Indian Institute Technology Guwahati) ;
  • Kumar, R. Vinoth (Department of Chemical Engineering, Indian Institute Technology Guwahati) ;
  • Pakshirajan, Kannan (Department of Biosciences and Bioengineering,Indian Institute Technology Guwahati) ;
  • Pugazhenthi, G. (Department of Chemical Engineering, Indian Institute Technology Guwahati)
  • 투고 : 2016.01.23
  • 심사 : 2016.07.24
  • 발행 : 2016.11.25
⟨ 이전 논문 다음 논문 ⟩

초록

Mesoporous MCM-41 was deposited on an inexpensive disk shaped ceramic support through hydrothermal technique for ultrafiltration of $Fe^{3+}$ from aqueous solution. The ceramic support was fabricated using uni-axial compaction technique followed by sintering at $950^{\circ}C$. The characteristics of MCM-41 powder as well as the composite membrane were examined by X-ray diffraction (XRD), thermogravimetric analysis (TGA), field emission scanning electron microscope (FESEM), porosity and pure water permeation test. The XRD result revealed the good crystallinity and well-resolved hexagonally arranged pore geometry of MCM-41. TGA profile of synthesized MCM-41 zeolite displayed the three different stepwise mechanisms for the removal of organic template. The formation of MCM-41 on the porous support was verified by FESEM analysis. The characterization results clearly indicated that the accumulation of MCM-41 by repeated coating on the ceramic disk directs to reduce the porosity and pore size from 47% to 23% and 1.0 to $0.173{\mu}m$, respectively. Moreover, the potential of the fabricated MCM-41 membrane was investigated by ultrafiltration of $Fe^{3+}$ from aqueous stream at various influencing parameters such as applied pressure, initial feed concentration and pH of solution. The maximum rejection 85% was obtained at applied pressure of 276 kPa and the initial feed concentration of 250 ppm at pH 2.

키워드

참고문헌

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