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Investigation of the effect of viscosity on slug flow in airlift tubular membranes in search of a sludge surrogate

Nicolas Rios Ratkovich UGent, CCV Chan, PR Berube and Ingmar Nopens UGent (2010) WATER SCIENCE AND TECHNOLOGY. 61(7). p.1801-1809
abstract
The behaviour of three different liquid-gas slug flows (water, carboxymethyl cellulose and activated sludge) in a vertical tube was studied using a high speed camera (HSC). Experiments were performed using different flow rates and two tube diameters (6.3 and 9.9 mm). The observed difference in behaviour of the ascending gas slugs can be explained by the difference in viscosity of the fluids (Newtonian and non-Newtonian). Moreover, it was observed that the degree of coalescence of gas slugs is lower for non-Newtonian liquids and they behave like a succession of slugs without actually coalescing into a single larger gas slug. Finally, gas slug rising velocities were also extracted, but no subsequent difference in the rising velocities of the different fluids was found.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
gas slug rising velocity, coalescence, gas-liquid slug flow, side-stream membrane bioreactor, viscosity, GAS-SPARGED ULTRAFILTRATION, TAYLOR BUBBLE, VERTICAL PIPE, LIQUID, BIOREACTOR, TUBES, HYDRODYNAMICS, FILTRATION, TURBULENT, VELOCITY
journal title
WATER SCIENCE AND TECHNOLOGY
Water Sci. Technol.
volume
61
issue
7
pages
1801 - 1809
Web of Science type
Article
Web of Science id
000276857300019
JCR category
WATER RESOURCES
JCR impact factor
1.056 (2010)
JCR rank
39/75 (2010)
JCR quartile
3 (2010)
ISSN
0273-1223
DOI
10.2166/wst.2010.118
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1086731
handle
http://hdl.handle.net/1854/LU-1086731
date created
2010-12-13 16:23:49
date last changed
2010-12-14 09:32:30
@article{1086731,
  abstract     = {The behaviour of three different liquid-gas slug flows (water, carboxymethyl cellulose and activated sludge) in a vertical tube was studied using a high speed camera (HSC). Experiments were performed using different flow rates and two tube diameters (6.3 and 9.9 mm). The observed difference in behaviour of the ascending gas slugs can be explained by the difference in viscosity of the fluids (Newtonian and non-Newtonian). Moreover, it was observed that the degree of coalescence of gas slugs is lower for non-Newtonian liquids and they behave like a succession of slugs without actually coalescing into a single larger gas slug. Finally, gas slug rising velocities were also extracted, but no subsequent difference in the rising velocities of the different fluids was found.},
  author       = {Rios Ratkovich, Nicolas and Chan, CCV and Berube, PR and Nopens, Ingmar},
  issn         = {0273-1223},
  journal      = {WATER SCIENCE AND TECHNOLOGY},
  keyword      = {gas slug rising velocity,coalescence,gas-liquid slug flow,side-stream membrane bioreactor,viscosity,GAS-SPARGED ULTRAFILTRATION,TAYLOR BUBBLE,VERTICAL PIPE,LIQUID,BIOREACTOR,TUBES,HYDRODYNAMICS,FILTRATION,TURBULENT,VELOCITY},
  language     = {eng},
  number       = {7},
  pages        = {1801--1809},
  title        = {Investigation of the effect of viscosity on slug flow in airlift tubular membranes in search of a sludge surrogate},
  url          = {http://dx.doi.org/10.2166/wst.2010.118},
  volume       = {61},
  year         = {2010},
}

Chicago
Rios Ratkovich, Nicolas, CCV Chan, PR Berube, and Ingmar Nopens. 2010. “Investigation of the Effect of Viscosity on Slug Flow in Airlift Tubular Membranes in Search of a Sludge Surrogate.” Water Science and Technology 61 (7): 1801–1809.
APA
Rios Ratkovich, N., Chan, C., Berube, P., & Nopens, I. (2010). Investigation of the effect of viscosity on slug flow in airlift tubular membranes in search of a sludge surrogate. WATER SCIENCE AND TECHNOLOGY, 61(7), 1801–1809.
Vancouver
1.
Rios Ratkovich N, Chan C, Berube P, Nopens I. Investigation of the effect of viscosity on slug flow in airlift tubular membranes in search of a sludge surrogate. WATER SCIENCE AND TECHNOLOGY. 2010;61(7):1801–9.
MLA
Rios Ratkovich, Nicolas, CCV Chan, PR Berube, et al. “Investigation of the Effect of Viscosity on Slug Flow in Airlift Tubular Membranes in Search of a Sludge Surrogate.” WATER SCIENCE AND TECHNOLOGY 61.7 (2010): 1801–1809. Print.