Korean Chemical Engineering Research

  • 제53권3호
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  • Pages.382-390
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  • 2015
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  • 0304-128X(pISSN)
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  • 2233-9558(eISSN)
한국화학공학회 (The Korean Institute of Chemical Engineers)
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Adsorption of Carbon Dioxide onto Tetraethylenepentamine Impregnated PMMA Sorbents with Different Pore Structure

  • Jo, Dong Hyun (Department of Chemical and Biological Engineering, Korea University) ;
  • Park, Cheonggi (Department of Chemical and Biological Engineering, Korea University) ;
  • Jung, Hyunchul (Department of Chemical and Biological Engineering, Korea University) ;
  • Kim, Sung Hyun (Department of Chemical and Biological Engineering, Korea University)
  • 투고 : 2014.08.04
  • 심사 : 2014.10.18
  • 발행 : 2015.06.01
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초록

Poly(methyl methacrylate) (PMMA) supports and amine additives were investigated to adsorb $CO_2$. 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 $CO_2$ 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 $CO_2$ capture.

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참고문헌

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피인용 문헌

  1. Optimization of CO2 adsorption capacity and cyclical adsorption/desorption on tetraethylenepentamine-supported surface-modified hydrotalcite vol.65, pp.None, 2015, https://doi.org/10.1016/j.jes.2017.02.015
  2. Synthesis of Silver-Impregnated Magnetite Mesoporous Silica Composites for Removing Iodide in Aqueous Solution vol.9, pp.8, 2015, https://doi.org/10.3390/toxics9080175