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Concentration-driven models revisited : towards a unified framework to model settling tanks in water resource recovery facilities

Elena Torfs, M Carmen Martí, Florent Locatelli, Sophie Balemans UGent, Raimund Bürger, Stefan Diehl, Julien Laurent, Peter A Vanrolleghem, Pierre François and Ingmar Nopens UGent (2017) WATER SCIENCE AND TECHNOLOGY. 75(3). p.539-551
abstract
A new perspective on the modelling of settling behaviour in water resource recovery facilities is introduced. The ultimate goal is to describe in a unified way the processes taking place both in primary settling tanks (PSTs) and secondary settling tanks (SSTs) for a more detailed operation and control. First, experimental evidence is provided, pointing out distributed particle properties (such as size, shape, density, porosity, and flocculation state) as an important common source of distributed settling behaviour in different settling unit processes and throughout different settling regimes (discrete, hindered and compression settling). Subsequently, a unified model framework that considers several particle classes is proposed in order to describe distributions in settling behaviour as well as the effect of variations in particle properties on the settling process. The result is a set of partial differential equations (PDEs) that are valid from dilute concentrations, where they correspond to discrete settling, to concentrated suspensions, where they correspond to compression settling. Consequently, these PDEs model both PSTs and SSTs.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
SIMULATION, compression, discrete settling, primary clarifier, secondary clarifier, settling velocity distribution
journal title
WATER SCIENCE AND TECHNOLOGY
Water Sci. Technol.
volume
75
issue
3
pages
539 - 551
Web of Science type
Article
Web of Science id
000394350100006
ISSN
0273-1223
1996-9732
DOI
10.2166/wst.2016.485
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
8517255
handle
http://hdl.handle.net/1854/LU-8517255
date created
2017-04-07 08:05:46
date last changed
2017-06-09 14:36:16
@article{8517255,
  abstract     = {A new perspective on the modelling of settling behaviour in water resource recovery facilities is introduced. The ultimate goal is to describe in a unified way the processes taking place both in primary settling tanks (PSTs) and secondary settling tanks (SSTs) for a more detailed operation and control. First, experimental evidence is provided, pointing out distributed particle properties (such as size, shape, density, porosity, and flocculation state) as an important common source of distributed settling behaviour in different settling unit processes and throughout different settling regimes (discrete, hindered and compression settling). Subsequently, a unified model framework that considers several particle classes is proposed in order to describe distributions in settling behaviour as well as the effect of variations in particle properties on the settling process. The result is a set of partial differential equations (PDEs) that are valid from dilute concentrations, where they correspond to discrete settling, to concentrated suspensions, where they correspond to compression settling. Consequently, these PDEs model both PSTs and SSTs.},
  author       = {Torfs, Elena and Mart{\'i}, M Carmen and Locatelli, Florent and Balemans, Sophie and B{\"u}rger, Raimund and Diehl, Stefan and Laurent, Julien and Vanrolleghem, Peter A and Fran\c{c}ois, Pierre and Nopens, Ingmar},
  issn         = {0273-1223},
  journal      = {WATER SCIENCE AND TECHNOLOGY},
  keyword      = {SIMULATION,compression,discrete settling,primary clarifier,secondary clarifier,settling velocity distribution},
  language     = {eng},
  number       = {3},
  pages        = {539--551},
  title        = {Concentration-driven models revisited : towards a unified framework to model settling tanks in water resource recovery facilities},
  url          = {http://dx.doi.org/10.2166/wst.2016.485},
  volume       = {75},
  year         = {2017},
}

Chicago
Torfs, Elena, M Carmen Martí, Florent Locatelli, Sophie Balemans, Raimund Bürger, Stefan Diehl, Julien Laurent, Peter A Vanrolleghem, Pierre François, and Ingmar Nopens. 2017. “Concentration-driven Models Revisited : Towards a Unified Framework to Model Settling Tanks in Water Resource Recovery Facilities.” Water Science and Technology 75 (3): 539–551.
APA
Torfs, E., Martí, M. C., Locatelli, F., Balemans, S., Bürger, R., Diehl, S., Laurent, J., et al. (2017). Concentration-driven models revisited : towards a unified framework to model settling tanks in water resource recovery facilities. WATER SCIENCE AND TECHNOLOGY, 75(3), 539–551.
Vancouver
1.
Torfs E, Martí MC, Locatelli F, Balemans S, Bürger R, Diehl S, et al. Concentration-driven models revisited : towards a unified framework to model settling tanks in water resource recovery facilities. WATER SCIENCE AND TECHNOLOGY. 2017;75(3):539–51.
MLA
Torfs, Elena, M Carmen Martí, Florent Locatelli, et al. “Concentration-driven Models Revisited : Towards a Unified Framework to Model Settling Tanks in Water Resource Recovery Facilities.” WATER SCIENCE AND TECHNOLOGY 75.3 (2017): 539–551. Print.