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CO2 Adsorption of Amine Functionalized Activated Carbons

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2009, 10(3), pp.221-224
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General

Longyue Meng 1 Ki-Sook Cho 2 박수진 3

1Inha University
2Korea University
3인하대학교

Candidate

ABSTRACT

In this work, the CO2 adsorption behaviors of amine functionalized activated carbons (ACs) were investigated. The surface of ACs was modified with urea, melamine, diethylenetriamine (DETA), pentaethylenehexamine (PEHA), polyethylenimine (PEI), and 3-aminopropyl-triethoxysilane (ATPS). The various surface properties of amine functionalized ACs were characterized by Boehm’s method, nitrogen full isotherms, XPS, and TGA analyses. The active ingredients impregnated on the ACs show significant influence on the adsorption for CO2 and its volumes adsorbed on amine functionalized ACs are larger than that on the pristine ACs, which is due to the grafted amine groups of the AC surfaces.

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