Pretreatment for low pressure membranes in water treatment: A review

Haiou Huang, Kellogg Schwab, Joseph G. Jacangelo

Research output: Contribution to journalArticle

Abstract

The application of low pressure membranes (LPMs) to drinking water treatment and wastewater reuse has undergone accelerated development in the past decade. Integration of pretreatment with LPM filtration has been widely employed at full scale to reduce membrane fouling and/or increase the removalofcertainaquaticcontaminants.Inprinciple,pretreatment of source water can impact membrane filtration in three ways: altering contaminant size distributions, changing mutual affinities of contaminants or their affinities to membrane surfaces, and suppressing undesirable microbial growth or removing biodegradable contaminants. The literature shows that, compared to the well-demonstrated enhancement of contaminant removal, impact of pretreatment to membrane foulingisoftensmallorevennegative,whichisfurthercomplicated by variations in source water quality and membrane properties. Coagulation has been the most successful pretreatment for fouling reduction. Novel technologies are in immediate need for fouling control; ones which rely on a better understanding of the mechanisms of pretreatment and LPM filtration are warranted. This article provides a critical review of the state-of-the-art of pretreatment for LPMs, and discusses potential areas for future technical development and scientific studies.

Original languageEnglish (US)
Pages (from-to)3011-3019
Number of pages9
JournalEnvironmental Science and Technology
Volume43
Issue number9
DOIs
StatePublished - May 1 2009

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Water treatment
low pressure
water treatment
membrane
Membranes
Impurities
fouling
pollutant
Fouling
Membrane fouling
Coagulation
Drinking Water
Water quality
coagulation
Wastewater
water quality
Water
wastewater

ASJC Scopus subject areas

  • Chemistry(all)
  • Environmental Chemistry

Cite this

Pretreatment for low pressure membranes in water treatment : A review. / Huang, Haiou; Schwab, Kellogg; Jacangelo, Joseph G.

In: Environmental Science and Technology, Vol. 43, No. 9, 01.05.2009, p. 3011-3019.

Research output: Contribution to journalArticle

Huang, Haiou ; Schwab, Kellogg ; Jacangelo, Joseph G. / Pretreatment for low pressure membranes in water treatment : A review. In: Environmental Science and Technology. 2009 ; Vol. 43, No. 9. pp. 3011-3019.
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