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  • CEP 6826_accepted version 2016

    Rights statement: This is the author’s version of a work that was accepted for publication in Chemical Engineering and Processing. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Chemical Engineering and Processing, 108, 2016 DOI: 10.1016/j.cep.2016.07.008

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Kinetics and reactive stripping modelling of hydrogen isotopic exchange of deuterated waters

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Kinetics and reactive stripping modelling of hydrogen isotopic exchange of deuterated waters. / Aldehani, Mohammed; Alzahrani, Faris; tSaoir, Meabh Nic An; Abreu Fernandes, Daniel Luis; Assabumrungrat, Suttichai ; Aiouache, Farid.

In: Chemical Engineering and Processing: Process Intensification, Vol. 108, 10.2016, p. 58-73.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Aldehani, M, Alzahrani, F, tSaoir, MNA, Abreu Fernandes, DL, Assabumrungrat, S & Aiouache, F 2016, 'Kinetics and reactive stripping modelling of hydrogen isotopic exchange of deuterated waters', Chemical Engineering and Processing: Process Intensification, vol. 108, pp. 58-73. https://doi.org/10.1016/j.cep.2016.07.008

APA

Aldehani, M., Alzahrani, F., tSaoir, M. N. A., Abreu Fernandes, D. L., Assabumrungrat, S., & Aiouache, F. (2016). Kinetics and reactive stripping modelling of hydrogen isotopic exchange of deuterated waters. Chemical Engineering and Processing: Process Intensification, 108, 58-73. https://doi.org/10.1016/j.cep.2016.07.008

Vancouver

Aldehani M, Alzahrani F, tSaoir MNA, Abreu Fernandes DL, Assabumrungrat S, Aiouache F. Kinetics and reactive stripping modelling of hydrogen isotopic exchange of deuterated waters. Chemical Engineering and Processing: Process Intensification. 2016 Oct;108:58-73. https://doi.org/10.1016/j.cep.2016.07.008

Author

Aldehani, Mohammed ; Alzahrani, Faris ; tSaoir, Meabh Nic An ; Abreu Fernandes, Daniel Luis ; Assabumrungrat, Suttichai ; Aiouache, Farid. / Kinetics and reactive stripping modelling of hydrogen isotopic exchange of deuterated waters. In: Chemical Engineering and Processing: Process Intensification. 2016 ; Vol. 108. pp. 58-73.

Bibtex

@article{9fa51c20ed384b4f8623a292a6067037,
title = "Kinetics and reactive stripping modelling of hydrogen isotopic exchange of deuterated waters",
abstract = "This work presents results of experimental kinetics and modelling of the isotopicexchange between hydrogen and water in a reactive stripping column for water dedeuteriation. The missing physical properties of deuterium and tritium isotopologues in hydrogen gas and water forms were predicted and validated using existing literature data. The kinetic model relevant to a styrene-divinyl-benzene co-polymer–supported platinum catalyst was used for modelling, by Aspen plus modular package, impact of design parameters including temperature, total pressure, gas to liquid flowrate ratio, pressure drop and flow mixing, on the separation of deuterium and further the separation of tritium. The modelling by the rate-based non-equilibrium, including design correlations of model of mass and heat transfers, chemical kinetic constants, mass transfercoefficients and overall exchange rate constants, allowed access to separation trends in a good agreement with published data. The synergy between the rates of chemical isotopic exchange and gas/liquid mass transfer, and by inference the performance of reactive stripping, was particularly sensitive to high temperatures, low hydrogen flow rates, pressure drops and internals properties.Extension to tritium confirmed a slightly slower mass transport compared with deuterium leading to potentially under-estimated design features for detritiation processing when deuterium is used instead.",
keywords = "Isotopic exchange, Reactive stripping, Detritiation, Dedeuteriation, Rate-based modelling, Reactive separation",
author = "Mohammed Aldehani and Faris Alzahrani and tSaoir, {Meabh Nic An} and {Abreu Fernandes}, {Daniel Luis} and Suttichai Assabumrungrat and Farid Aiouache",
note = "This is the author{\textquoteright}s version of a work that was accepted for publication in Chemical Engineering and Processing. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Chemical Engineering and Processing, 108, 2016 DOI: 10.1016/j.cep.2016.07.008",
year = "2016",
month = oct,
doi = "10.1016/j.cep.2016.07.008",
language = "English",
volume = "108",
pages = "58--73",
journal = "Chemical Engineering and Processing: Process Intensification",
issn = "0255-2701",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Kinetics and reactive stripping modelling of hydrogen isotopic exchange of deuterated waters

AU - Aldehani, Mohammed

AU - Alzahrani, Faris

AU - tSaoir, Meabh Nic An

AU - Abreu Fernandes, Daniel Luis

AU - Assabumrungrat, Suttichai

AU - Aiouache, Farid

N1 - This is the author’s version of a work that was accepted for publication in Chemical Engineering and Processing. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Chemical Engineering and Processing, 108, 2016 DOI: 10.1016/j.cep.2016.07.008

PY - 2016/10

Y1 - 2016/10

N2 - This work presents results of experimental kinetics and modelling of the isotopicexchange between hydrogen and water in a reactive stripping column for water dedeuteriation. The missing physical properties of deuterium and tritium isotopologues in hydrogen gas and water forms were predicted and validated using existing literature data. The kinetic model relevant to a styrene-divinyl-benzene co-polymer–supported platinum catalyst was used for modelling, by Aspen plus modular package, impact of design parameters including temperature, total pressure, gas to liquid flowrate ratio, pressure drop and flow mixing, on the separation of deuterium and further the separation of tritium. The modelling by the rate-based non-equilibrium, including design correlations of model of mass and heat transfers, chemical kinetic constants, mass transfercoefficients and overall exchange rate constants, allowed access to separation trends in a good agreement with published data. The synergy between the rates of chemical isotopic exchange and gas/liquid mass transfer, and by inference the performance of reactive stripping, was particularly sensitive to high temperatures, low hydrogen flow rates, pressure drops and internals properties.Extension to tritium confirmed a slightly slower mass transport compared with deuterium leading to potentially under-estimated design features for detritiation processing when deuterium is used instead.

AB - This work presents results of experimental kinetics and modelling of the isotopicexchange between hydrogen and water in a reactive stripping column for water dedeuteriation. The missing physical properties of deuterium and tritium isotopologues in hydrogen gas and water forms were predicted and validated using existing literature data. The kinetic model relevant to a styrene-divinyl-benzene co-polymer–supported platinum catalyst was used for modelling, by Aspen plus modular package, impact of design parameters including temperature, total pressure, gas to liquid flowrate ratio, pressure drop and flow mixing, on the separation of deuterium and further the separation of tritium. The modelling by the rate-based non-equilibrium, including design correlations of model of mass and heat transfers, chemical kinetic constants, mass transfercoefficients and overall exchange rate constants, allowed access to separation trends in a good agreement with published data. The synergy between the rates of chemical isotopic exchange and gas/liquid mass transfer, and by inference the performance of reactive stripping, was particularly sensitive to high temperatures, low hydrogen flow rates, pressure drops and internals properties.Extension to tritium confirmed a slightly slower mass transport compared with deuterium leading to potentially under-estimated design features for detritiation processing when deuterium is used instead.

KW - Isotopic exchange

KW - Reactive stripping

KW - Detritiation

KW - Dedeuteriation

KW - Rate-based modelling

KW - Reactive separation

U2 - 10.1016/j.cep.2016.07.008

DO - 10.1016/j.cep.2016.07.008

M3 - Journal article

VL - 108

SP - 58

EP - 73

JO - Chemical Engineering and Processing: Process Intensification

JF - Chemical Engineering and Processing: Process Intensification

SN - 0255-2701

ER -