CO2 removal from a gas stream by membrane contactor

Aldo Bottino, Gustavo Capannelli, Antonio Comite, Renzo Di Felice, Raffaella Firpo

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

Gas-liquid membrane contactors were applied to remove carbon dioxide from a gas stream by using an aqueous monoethanolamine (MEA) solution as absorbent. Various modules composed by different numbers of commercial polypropylene capillary membranes were constructed and tested in a laboratory-scale plant fed with a N2-CO2 gas mixture. Attention was especially focused on the CO2 removal efficiency of the different membrane modules when gas flow rate was increased from 5 up to 360 L/h. A mathematical model was developed to simulate the absorption process in order to predict gas removal efficiency from the knowledge of the system physical parameters. The overall membrane mass transfer coefficient kM was determined and used to compare experimental and predicted removal efficiencies. A good agreement between the developed model and experimental results was found.

Original languageEnglish
Pages (from-to)85-90
Number of pages6
JournalSeparation and Purification Technology
Volume59
Issue number1
DOIs
Publication statusPublished - Feb 1 2008
Externally publishedYes

Fingerprint

Gases
Membranes
Liquid membranes
Ethanolamine
Polypropylenes
Carbon Dioxide
Gas mixtures
Flow of gases
Carbon dioxide
Mass transfer
Flow rate
Mathematical models

Keywords

  • Carbon dioxide
  • Mathematical modelling
  • Membrane contactor

ASJC Scopus subject areas

  • Filtration and Separation

Cite this

Bottino, A., Capannelli, G., Comite, A., Di Felice, R., & Firpo, R. (2008). CO2 removal from a gas stream by membrane contactor. Separation and Purification Technology, 59(1), 85-90. https://doi.org/10.1016/j.seppur.2007.05.030

CO2 removal from a gas stream by membrane contactor. / Bottino, Aldo; Capannelli, Gustavo; Comite, Antonio; Di Felice, Renzo; Firpo, Raffaella.

In: Separation and Purification Technology, Vol. 59, No. 1, 01.02.2008, p. 85-90.

Research output: Contribution to journalArticle

Bottino, A, Capannelli, G, Comite, A, Di Felice, R & Firpo, R 2008, 'CO2 removal from a gas stream by membrane contactor', Separation and Purification Technology, vol. 59, no. 1, pp. 85-90. https://doi.org/10.1016/j.seppur.2007.05.030
Bottino, Aldo ; Capannelli, Gustavo ; Comite, Antonio ; Di Felice, Renzo ; Firpo, Raffaella. / CO2 removal from a gas stream by membrane contactor. In: Separation and Purification Technology. 2008 ; Vol. 59, No. 1. pp. 85-90.
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