Membrane and Water Treatment

  • 제1권4호
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  • Pages.253-271
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  • 2010
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  • 2005-8624(pISSN)
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  • 2092-7037(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Modeling of flux enhancement in presence of concentration polarization by pressure pulsation during laminar cross flow ultrafiltration

  • Kumar, Kamal (Department of Chemical Engineering, Indian Institute of Technology) ;
  • De, Sirshendu (Department of Chemical Engineering, Indian Institute of Technology)
  • 투고 : 2009.09.11
  • 심사 : 2010.06.16
  • 발행 : 2010.10.25
⟨ 이전 논문 다음 논문 ⟩

초록

A theoretical study for the flux enhancement by pulsation of transmembrane pressure is presented for osmotic pressure controlled ultrafiltration under laminar flow regime. The transient velocity profile is solved analytically using Green's function method. Time dependent convective diffusive equation is solved to quantify the membrane surface concentration and the permeate flux, numerically. The effects of the amplitude and frequency of pulsation on flux, surface concentration and observed retention are studied.

키워드

참고문헌

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피인용 문헌

  1. Separation and flux characteristics in cross-flow ultrafiltration of bovine serum albumin and bovine hemoglobin solutions vol.2, pp.2, 2011, https://doi.org/10.12989/mwt.2011.2.2.091