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Adsorption and fouling characterization of Klebsiella oxytoca to microfiltration membranes

Paper ID Volume ID Publish Year Pages File Format Full-Text
35101 45074 2009 4 PDF Available
Title
Adsorption and fouling characterization of Klebsiella oxytoca to microfiltration membranes
Abstract

The Klebsiella oxytoca  , a dominating strain in the membrane biofouling layer of treating wastewater membrane bioreactor (MBR), was taken as a model in this manuscript. Its surface properties and interfacial energy were first explored. Then its adsorption and fouling properties on polyvinylidenefluoride (PVDF) and polypropylene (PP) membranes were characterized, respectively. With the higher total surface tension (rTOT)(rTOT) and van der waals force (rLW)(rLW), the K. oxytoca cell and the PVDF membrane were more hydrophilic than the PP membrane. Both membranes and K. oxytoca were proved to be typically strong electron donors. The negative total interfacial energy occurred in both K. oxytoca-membrane systems. K. oxytoca showed stronger attraction to PP membrane than to PVDF membrane within a short range. More K. oxytoca tended to be adsorbed on PP membrane than on PVDF membrane. The permeation flux decreased with increasing the pressure, and K. oxytoca showed a greater fouling potential to PP membrane.

Keywords
Klebsiella oxytoca; XDLVO approach; Interfacial energy; Biofouling; Adsorption; Microfiltration
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Adsorption and fouling characterization of Klebsiella oxytoca to microfiltration membranes
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 44, Issue 11, November 2009, Pages 1289–1292
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us