Preozonation effects on the reduction of reverse osmosis membrane fouling in water reuse

Benjamin D. Stanford; Aleksey N. Pisarenko; R. David Holbrook; Shane A. Snyder

doi:10.1080/01919512.2011.607385

Preozonation effects on the reduction of reverse osmosis membrane fouling in water reuse

Benjamin D. Stanford, Aleksey N. Pisarenko, R. David Holbrook, Shane A. Snyder

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Abstract

The purpose of this bench-top study was to demonstrate the feasibility and effect of applying ozone and ozone/peroxide upstream of reverse osmosis (RO) membranes as a means of controlling organic fouling during reuse applications. A series of ozone or ozone/peroxide doses was applied to surface water and a membrane bioreactor (MBR) filtrate using a HiPOx® reactor skid, with ozone-to-dissolved organic carbon ratios of approximately 0.25 to 1.75. Results from the flat-sheet testing indicate that both ozoneand ozone/peroxide-treated waters, even at the lowest ozone dose of 1.5 mg/L, fouled the membranes less than the MBR filtrate and surface control waters while both treated and control waters maintained consistent levels of salt rejection throughout the tests.

Original language	English (US)
Pages (from-to)	379-388
Number of pages	10
Journal	Ozone: Science and Engineering
Volume	33
Issue number	5
DOIs	https://doi.org/10.1080/01919512.2011.607385
State	Published - Sep 2011
Externally published	Yes

Keywords

Fouling
Membranes
Organic Matter
Ozone
Reuse
Reverse Osmosis

ASJC Scopus subject areas

Environmental Engineering
Environmental Chemistry

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10.1080/01919512.2011.607385

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title = "Preozonation effects on the reduction of reverse osmosis membrane fouling in water reuse",

abstract = "The purpose of this bench-top study was to demonstrate the feasibility and effect of applying ozone and ozone/peroxide upstream of reverse osmosis (RO) membranes as a means of controlling organic fouling during reuse applications. A series of ozone or ozone/peroxide doses was applied to surface water and a membrane bioreactor (MBR) filtrate using a HiPOx{\textregistered} reactor skid, with ozone-to-dissolved organic carbon ratios of approximately 0.25 to 1.75. Results from the flat-sheet testing indicate that both ozoneand ozone/peroxide-treated waters, even at the lowest ozone dose of 1.5 mg/L, fouled the membranes less than the MBR filtrate and surface control waters while both treated and control waters maintained consistent levels of salt rejection throughout the tests.",

keywords = "Fouling, Membranes, Organic Matter, Ozone, Reuse, Reverse Osmosis",

author = "Stanford, {Benjamin D.} and Pisarenko, {Aleksey N.} and {David Holbrook}, R. and Snyder, {Shane A.}",

note = "Funding Information: The authors wish to thank Sarper Sarp (GIST, Korea) and Ludwig Kim (Texas A&M) for their assistance in setting up the RO flat sheet systems and for performing the initial tests on Colorado River Water. The authors also thank the mangers, operators, and laboratory personnel at the City of Las Vegas and Clark County Water Reclamation Facilities. Other individuals at SNWA have been highly helpful in this study including Janie Zeigler, Beck Trenholm, Brett Vanderford, Sujanie Gamage, Dongxu Yan, Mark Benotti, and Dan Gerrity. We also appreciate the comments of the anonymous reviewers of this manuscript. Support for this research has been provided by the WateReuse Foundation Tailored Collaboration Program, Project number WRF-08-08, and many utility and industry partners including Hydranautics and APTwater.",

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Preozonation effects on the reduction of reverse osmosis membrane fouling in water reuse

Abstract

Keywords

ASJC Scopus subject areas

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