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Kinetics of carbon dioxide removal from water in flat membrane contactor

Roldugin, V. I. / Shutova, A. A. / Volkov, A. V. / Goetheer, E. L. V. / Volkov, V. V.

Abstract The problem of regeneration of a carbon dioxide physical absorbent in gas-liquid membrane contactor has been addressed using water as the absorbent. An analytical solution for the mass transfer equation has been obtained with taking into account not only axial, but also radial diffusion of the solute in the liquid flow and thereby significantly extending the area of applicability of the solution. The kinetics of carbon dioxide desorption from aqueous solutions has been described for the membrane contactor based on asymmetric gas separation membrane made of polyvinyltrimethylsilane (PVTMS). It has been shown that the model agrees well with experimental data for different pressures of water saturation with carbon dioxide and desorption temperatures.

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Kinetics of carbon dioxide removal from water in flat membrane contactor

Roldugin, V. I. / Shutova, A. A. / Volkov, A. V. / Goetheer, E. L. V. / Volkov, V. V.

Abstract The problem of regeneration of a carbon dioxide physical absorbent in gas-liquid membrane contactor has been addressed using water as the absorbent. An analytical solution for the mass transfer equation has been obtained with taking into account not only axial, but also radial diffusion of the solute in the liquid flow and thereby significantly extending the area of applicability of the solution. The kinetics of carbon dioxide desorption from aqueous solutions has been described for the membrane contactor based on asymmetric gas separation membrane made of polyvinyltrimethylsilane (PVTMS). It has been shown that the model agrees well with experimental data for different pressures of water saturation with carbon dioxide and desorption temperatures.

Kinetics of carbon dioxide removal from water in flat membrane contactor

Roldugin, V. I. / Shutova, A. A. / Volkov, A. V. / Goetheer, E. L. V. / Volkov, V. V.

Abstract The problem of regeneration of a carbon dioxide physical absorbent in gas-liquid membrane contactor has been addressed using water as the absorbent. An analytical solution for the mass transfer equation has been obtained with taking into account not only axial, but also radial diffusion of the solute in the liquid flow and thereby significantly extending the area of applicability of the solution. The kinetics of carbon dioxide desorption from aqueous solutions has been described for the membrane contactor based on asymmetric gas separation membrane made of polyvinyltrimethylsilane (PVTMS). It has been shown that the model agrees well with experimental data for different pressures of water saturation with carbon dioxide and desorption temperatures.

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Title:

Kinetics of carbon dioxide removal from water in flat membrane contactor

Contributors:

Roldugin, V. I. (author) / Shutova, A. A. (author) / Volkov, A. V. (author) / Goetheer, E. L. V. (author) / Volkov, V. V. (author)

Published in:

Petroleum Chemistry ; 54 ; 507-514

Publication date:

2014-11-15

Size:

8 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544114070111

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

CO2 removal , membrane desorption , PVTMS , gas-liquid membrane contactor , membrane contactor modeling Chemistry , Industrial Chemistry/Chemical Engineering

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