Kinetic and thermodynamic investigation of CO2 adsorption-desorption on polyethyleneimine - Mesoporous silica

M. M. Khader, Jaber Al Marri, Y. O. Kuti, M. Khraisheh, E. P. Giannelis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Two CO2 solid sorbents based on polyethyleneimine, PEI (432 and 10k) impregnated into mesoporous silica (MPS) foam were synthesized and tested for CO2 capture. At ambient pressure, the amount of CO2 captured by these solid sorbents was less than the theoretical calculated from the stoichiometry. At higher pressures, the CO2 adsorption capacity increased following Langmuir adsorption isotherm relationship. When the MPS foam was treated with the non-ionic surfactant, Span 80, the CO2 adsorption capacity at ambient pressure was further increased. The CO2 adsorption was interpreted using the double exponential kinetic model.

Original languageEnglish
Title of host publicationMaterials for Energy, Efficiency and Sustainability - TechConnect Briefs 2016
PublisherTechConnect
Pages243-246
Number of pages4
Volume2
ISBN (Electronic)9780997511710
Publication statusPublished - 1 Jan 2016
Externally publishedYes
Event10th Annual TechConnect World Innovation Conference and Expo, Held Jointly with the 19th Annual Nanotech Conference and Expo, and the 2016 National SBIR/STTR Conference - Washington, United States
Duration: 22 May 201625 May 2016

Other

Other10th Annual TechConnect World Innovation Conference and Expo, Held Jointly with the 19th Annual Nanotech Conference and Expo, and the 2016 National SBIR/STTR Conference
CountryUnited States
CityWashington
Period22/5/1625/5/16

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Keywords

  • Adsorption of CO
  • Desorption of CO
  • Mesoporous silica and span 80
  • Polyethyleneimine

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Biotechnology
  • Surfaces, Coatings and Films
  • Fuel Technology

Cite this

Khader, M. M., Al Marri, J., Kuti, Y. O., Khraisheh, M., & Giannelis, E. P. (2016). Kinetic and thermodynamic investigation of CO2 adsorption-desorption on polyethyleneimine - Mesoporous silica. In Materials for Energy, Efficiency and Sustainability - TechConnect Briefs 2016 (Vol. 2, pp. 243-246). TechConnect.