Performance of a tubular electrochemical reactor, operated with different inlets, to remove Cr(VI) from wastewater

S. A. Martínez-Delgadillo, H. R. Mollinedo P., M. A. Gutiérrez, I. D. Barceló, J. M. Méndez

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

In the present work, the performance of a tubular electrochemical reactor operated with three different inlets (central, lateral and tangential) was evaluated. Fluid flow simulations through the electrochemical reactor were performed using computational fluid dynamics (CFD). The steady state fluid flow was simulated to visualize the velocity field behavior along the reactor for each different inlet. The type of reactor inlet affects clearly the performance of the reactor. It was found that axial velocity distribution is more homogeneous when the reactor is operated with the tangential inlet than with the other inlets. The dispersion number (Nd) and the residence time in the reactor were obtained for each type of inlet. These parameters were used to evaluate the performance of the electrochemical reactor to reduce the Cr(VI) concentration at values lower than 0.5 mg/L. The reactor operated with the tangential inlet had the best performance. © 2009 Elsevier Ltd. All rights reserved.
Original languageAmerican English
Pages (from-to)491-499
Number of pages441
JournalComputers and Chemical Engineering
DOIs
StatePublished - 5 Apr 2010
Externally publishedYes

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Flow of fluids
Wastewater
wastewater
Flow simulation
Velocity distribution
Computational fluid dynamics
fluid flow
chromium hexavalent ion
reactor
computational fluid dynamics
residence time
simulation

Cite this

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title = "Performance of a tubular electrochemical reactor, operated with different inlets, to remove Cr(VI) from wastewater",
abstract = "In the present work, the performance of a tubular electrochemical reactor operated with three different inlets (central, lateral and tangential) was evaluated. Fluid flow simulations through the electrochemical reactor were performed using computational fluid dynamics (CFD). The steady state fluid flow was simulated to visualize the velocity field behavior along the reactor for each different inlet. The type of reactor inlet affects clearly the performance of the reactor. It was found that axial velocity distribution is more homogeneous when the reactor is operated with the tangential inlet than with the other inlets. The dispersion number (Nd) and the residence time in the reactor were obtained for each type of inlet. These parameters were used to evaluate the performance of the electrochemical reactor to reduce the Cr(VI) concentration at values lower than 0.5 mg/L. The reactor operated with the tangential inlet had the best performance. {\circledC} 2009 Elsevier Ltd. All rights reserved.",
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Performance of a tubular electrochemical reactor, operated with different inlets, to remove Cr(VI) from wastewater. / Martínez-Delgadillo, S. A.; Mollinedo P., H. R.; Gutiérrez, M. A.; Barceló, I. D.; Méndez, J. M.

In: Computers and Chemical Engineering, 05.04.2010, p. 491-499.

Research output: Contribution to journalArticle

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AU - Martínez-Delgadillo, S. A.

AU - Mollinedo P., H. R.

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