Coagulation Pretreatment for Membrane Filtration

Coagulation Pretreatment for Membrane Filtration

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This research evaluated membrane performance (fouling and Flux decline) after the feed water was pretreated with coagulation. Reasons to consider coagulation pretreatment are discussed. Along with thoughts on retrofitting existing membrane filtration systems. The report provides understanding of the conditions under which coagulation can improve membrane performance.The microfiltration membrane in this research (polypropylene) had clean water flux values between 1, 800 and 2, 800 gpd/ft2 (3, 100 to 4, 800 ... Pumping, chemical, and membrane replacement costs are variable costs that increase proportionally to water production, but labor ... Costs per gallon of water production were determined assuming that annual average production was 70 percent of plant capacity.

Title:Coagulation Pretreatment for Membrane Filtration
Author: Kerry J. Howe, Mark M. Clark
Publisher:American Water Works Association - 2002

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