Adsorption of carbon dioxide onto tetraethylenepentamine impregnated PMMA sorbents with different pore structure

Dong Hyun Jo, Cheonggi Park, Hyunchul Jung, Sung Hyun Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Poly(methyl methacrylate) (PMMA) supports and amine additives were investigated to adsorb CO<inf>2</inf>. PMMA supports were fabricated by using different ratio of pore forming agents (porogen) to control the BET specific surface area, pore volume and distribution. Toluene and xylene are used for porogens. Supported amine sorbents were prepared by wet impregnation of tetraethylenepentamine (TEPA) on PMMA supports. So we could identify the effect of the pore structure of supports and the quantity of impregnated TEPA on the adsorption capacity. The increased amount of toluene as pore foaming agent resulted in the decreased average pore diameter and the increased BET surface area. Polymer supports with huge different pore distribution could be fabricated by controlling the ratio of porogen. After impregnation, the support with micropore structure is supposed the pore blocking and filling effect so that it has low CO<inf>2</inf> capacity and kinetics due to the difficulty of diffusing. Macropore structure indicates fast adsorption capacity and low influence of amine loading. In case of support with mesopore, it has high performance of adsorption capacity and kinetics. So high surface area and meso-/macro- pore structure is suitable for CO<inf>2</inf> capture.

Original languageEnglish
Pages (from-to)382-390
Number of pages9
JournalKorean Chemical Engineering Research
Volume53
Issue number3
DOIs
Publication statusPublished - 2015 Jun 1

Fingerprint

Polymethyl Methacrylate
Pore structure
Sorbents
Polymethyl methacrylates
Carbon Dioxide
Amines
Carbon dioxide
Toluene
Adsorption
Impregnation
Xylenes
Blowing agents
Kinetics
Xylene
Specific surface area
Macros
Polymers
tetraethylenepentamine

Keywords

  • Co<inf>2</inf> adsorption
  • Polymeric support
  • Pore distribution
  • Tetraethylenepentamine

ASJC Scopus subject areas

  • Chemical Engineering(all)

Cite this

Adsorption of carbon dioxide onto tetraethylenepentamine impregnated PMMA sorbents with different pore structure. / Jo, Dong Hyun; Park, Cheonggi; Jung, Hyunchul; Kim, Sung Hyun.

In: Korean Chemical Engineering Research, Vol. 53, No. 3, 01.06.2015, p. 382-390.

Research output: Contribution to journalArticle

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