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Characterization of soluble microbial products and their fouling impacts in membrane bioreactors

Tao Jiang, Maria D Kennedy, Veerle De Schepper UGent, Seong-Nam Nam, Ingmar Nopens UGent, Peter A Vanrolleghem and Gary Amy (2010) ENVIRONMENTAL SCIENCE & TECHNOLOGY. 44(17). p.6642-6648
abstract
Membrane bioreactor (MBR) fouling is not only influenced by the soluble microbial products (SMP) concentration but by their characteristics. Experiments of separate producing biomass associated products (BAP) and utilization associated products (UAP) allowed the separation of BAP and UAP effects from sludge water (SW). Thus, filtration of individual SMP components and further characterization becomes possible. Unstirred cell filtration was used to study fouling mechanisms and liquid chromatography-organic carbon detection (LC-OCD) and fluorescence excitation emission matrix (EEM) were used to characterize the foulant. Generally, the SMP exhibiting characteristics of higher molecular weight, greater hydrophilicity and a more reduced state showed a higher retention percentage. However, the higher retention does not always yield higher fouling effects. The UAP filtration showed the highest specific cake resistance and pore blocking resistance attributed to their higher percentage of low molecular weight molecules, although their retention percentage was lower than the SW and BAP filtration. The UAP produced in the cell proliferation phase appeared to have the highestfouling potential.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
ACTIVATED-SLUDGE MICROORGANISMS, MUNICIPAL WASTE-WATER, AQUATIC ENVIRONMENT, FILTRATION, POLYMERS, SMP
journal title
ENVIRONMENTAL SCIENCE & TECHNOLOGY
Environ. Sci. Technol.
volume
44
issue
17
pages
6642 - 6648
Web of Science type
Article
Web of Science id
000281225800018
JCR category
ENGINEERING, ENVIRONMENTAL
JCR impact factor
4.825 (2010)
JCR rank
2/45 (2010)
JCR quartile
1 (2010)
ISSN
0013-936X
DOI
10.1021/es100442g
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1086579
handle
http://hdl.handle.net/1854/LU-1086579
date created
2010-12-13 15:55:02
date last changed
2010-12-14 12:33:15
@article{1086579,
  abstract     = {Membrane bioreactor (MBR) fouling is not only influenced by the soluble microbial products (SMP) concentration but by their characteristics. Experiments of separate producing biomass associated products (BAP) and utilization associated products (UAP) allowed the separation of BAP and UAP effects from sludge water (SW). Thus, filtration of individual SMP components and further characterization becomes possible. Unstirred cell filtration was used to study fouling mechanisms and liquid chromatography-organic carbon detection (LC-OCD) and fluorescence excitation emission matrix (EEM) were used to characterize the foulant. Generally, the SMP exhibiting characteristics of higher molecular weight, greater hydrophilicity and a more reduced state showed a higher retention percentage. However, the higher retention does not always yield higher fouling effects. The UAP filtration showed the highest specific cake resistance and pore blocking resistance attributed to their higher percentage of low molecular weight molecules, although their retention percentage was lower than the SW and BAP filtration. The UAP produced in the cell proliferation phase appeared to have the highestfouling potential.},
  author       = {Jiang, Tao and Kennedy, Maria D and De Schepper, Veerle and Nam, Seong-Nam and Nopens, Ingmar and Vanrolleghem, Peter A and Amy, Gary},
  issn         = {0013-936X},
  journal      = {ENVIRONMENTAL SCIENCE \& TECHNOLOGY},
  keyword      = {ACTIVATED-SLUDGE MICROORGANISMS,MUNICIPAL WASTE-WATER,AQUATIC ENVIRONMENT,FILTRATION,POLYMERS,SMP},
  language     = {eng},
  number       = {17},
  pages        = {6642--6648},
  title        = {Characterization of soluble microbial products and their fouling impacts in membrane bioreactors},
  url          = {http://dx.doi.org/10.1021/es100442g},
  volume       = {44},
  year         = {2010},
}

Chicago
Jiang, Tao, Maria D Kennedy, Veerle De Schepper, Seong-Nam Nam, Ingmar Nopens, Peter A Vanrolleghem, and Gary Amy. 2010. “Characterization of Soluble Microbial Products and Their Fouling Impacts in Membrane Bioreactors.” Environmental Science & Technology 44 (17): 6642–6648.
APA
Jiang, Tao, Kennedy, M. D., De Schepper, V., Nam, S.-N., Nopens, I., Vanrolleghem, P. A., & Amy, G. (2010). Characterization of soluble microbial products and their fouling impacts in membrane bioreactors. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 44(17), 6642–6648.
Vancouver
1.
Jiang T, Kennedy MD, De Schepper V, Nam S-N, Nopens I, Vanrolleghem PA, et al. Characterization of soluble microbial products and their fouling impacts in membrane bioreactors. ENVIRONMENTAL SCIENCE & TECHNOLOGY. 2010;44(17):6642–8.
MLA
Jiang, Tao, Maria D Kennedy, Veerle De Schepper, et al. “Characterization of Soluble Microbial Products and Their Fouling Impacts in Membrane Bioreactors.” ENVIRONMENTAL SCIENCE & TECHNOLOGY 44.17 (2010): 6642–6648. Print.