Comparison of mixed liquor filterability measured with bench and pilot-scale membrane bioreactors.

Comparison of mixed liquor filterability measured with bench and pilot-scale membrane bioreactors. Research Abstract Details 

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Comparison of mixed liquor filterability measured with bench and pilot-scale membrane bioreactors. Abstract Text:

J P Nywening,H Zhou,H Husain,J P Nywening,H Zhou,H Husain,

Parallel experimental tests to measure mixed liquor filterability for submerged membrane bioreactors were conducted over a six month period using three ZW-500 pilot plants and a ZW-10 lab-scale filterability apparatus. Non-air sparged conditions during the tests yielded operation behaviour that was equivalent to dead-end filtration. The fouling resistance increased linearly with the intercepted mass until a critical point was reached at which point significant cake compression was induced and the resistance began to increase exponentially. Although the point of cake compression appears to be dependent on the membrane module design, similar resistance per unit solid mass intercepted per unit area (R(mass)) values were observed when the same mixed liquor was filtered. Coupled with the established correlation between the R(mass) and the critical flux, it is suggested that the filterability test results from a side-stream, lab-scale module may be used to predict fouling potential in a full scale MBR wastewater treatment system without interrupting the full-scale MBR operation.

Comparison of mixed liquor filterability measured with bench and pilot-scale membrane bioreactors. Publishing Authors By Initials

JP Nywening,H Zhou,H Husain,JP Nywening,H Zhou,H Husain,

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Comparison of mixed liquor filterability measured with bench and pilot-scale membrane bioreactors. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Water science and technology : a journal of the In

VOLUME: 56

Page Numbers: 155-62

Journal Abbreviation: Water Sci. Technol.

ISSN: 0273-1223

DAY: 27

MONTH: 09

YEAR: 2007

Comparison of mixed liquor filterability measured with bench and pilot-scale membrane bioreactors. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Comparison of mixed liquor filterability measured with bench and pilot-scale membrane bioreactors.

AFFILIATION: CH2M Hill Canada, 255 Consumers Road, Toronto, Ontario M2L 5B6, Canada. John-Paul.Nywening@ch2m.com

Country: England

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MEDLINETA: Water Sci Technol

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