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Can I read Predicting the Performance of Gas-sparged and Non-gas-sparged Ultrafiltration on EtoBox?
Predicting the Performance of Gas-sparged and Non-gas-sparged Ultrafiltration by S.R. Smith; R.W. Field; Z.F. Cui is a Environmental Science article available to read on EtoBox.
What is Predicting the Performance of Gas-sparged and Non-gas-sparged Ultrafiltration about?
Tubular and hollow fibre membrane ultrafiltration is commonly used for waste water treatment and potable water production often with the introduction of gas bubbles into the filtration feed to improve flux. For design purposes, accurate models of the process are required. The one dimensional (1D) flat plate boundary layer analysis remains a simple tool for mass transfer analysis of these processes. However, this analysis neglects effects of wall permeation or curvature of circular closed-conduits e.g. hollow fibre and tubular membranes. Another pitfall is use of bulk fluid properties for flux prediction. Consequently, flat plate analyses severely under-predict ultrafiltration flux in such membranes. In this work we analytically include curvature (edge) effects of circular conduits into flat plate analyses. Flux estimates incorporating both edge and suction effects were reliable and predicted flux increases from 47.2% to 131.2% over the classical analysis. It was also shown that use of bulk diffusion coefficients in flux estimates led to reduction of suction-and edge-inclusive flux by up to 61%. The improved 1D model derived here enabled more accurate, yet simple flux prediction. Wi
Who reads Predicting the Performance of Gas-sparged and Non-gas-sparged Ultrafiltration?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- S.R. Smith; R.W. Field; Z.F. Cui
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0011-9164)
- Published
- 2006
- Language
- EN
- Field
- Environmental Science (Physical Sciences)