Application of computational fluid dynamic modelling to improve flow and grit transport in Terrence J. O'Brien Water Reclamation Plant, Chicago, Illinois

Som Dutta, Talia E. Tokyay, Yovanni A. Cataño-Lopera, Sergio Serafino, Marcelo Horacio Garcia

Research output: Contribution to journalArticle

Abstract

The Terrence J. O'Brien Water Reclamation Plant (WRP) serves a population of around 1.3 million people and service area of 368.8 km2 in Chicago, IL. Metropolitan Water Reclamation District of Greater Chicago, the agency responsible for the maintenance and operation of the WRP, observed non-uniform distribution of grit deposition between the six grit tanks. Single- and multiphase flow simulations were used to investigate the non-uniform grit distribution and to evaluate potential solution alternatives to ensure the plant operates at an optimal capacity. The simulations revealed the formation of secondary currents due to a bend in the approach conduit; this explained the preferential sediment conveyance along the left side of the conduit and higher deposition at the southernmost grit tanks. Baffles at the centre of the approach conduit and a constriction wall along the left side were recommended for breaking the secondary currents and uniform distribution of the grits.

Original languageEnglish (US)
Pages (from-to)759-774
Number of pages16
JournalJournal of Hydraulic Research
Volume52
Issue number6
DOIs
StatePublished - Nov 2 2014

Fingerprint

Wastewater reclamation
computational fluid dynamics
Computational fluid dynamics
modeling
Multiphase flow
multiphase flow
Flow simulation
water
simulation
Sediments
sediment
distribution

Keywords

  • CFD
  • grit chamber
  • sediment transport
  • two-phase flow
  • water reclamation plant

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Water Science and Technology

Cite this

Application of computational fluid dynamic modelling to improve flow and grit transport in Terrence J. O'Brien Water Reclamation Plant, Chicago, Illinois. / Dutta, Som; Tokyay, Talia E.; Cataño-Lopera, Yovanni A.; Serafino, Sergio; Garcia, Marcelo Horacio.

In: Journal of Hydraulic Research, Vol. 52, No. 6, 02.11.2014, p. 759-774.

Research output: Contribution to journalArticle

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AU - Serafino, Sergio

AU - Garcia, Marcelo Horacio

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