화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.19, No.3, 776-783, May, 2013
DOI10.1016/j.jiec.2012.10.016  Export Citation
Effects of aminated carbon molecular sieves on breakthrough curve behavior in CO2/CH4 separation
Byong Chol Bai, Seho Cho, Hye-Ryeon Yu, Kwang Bok Yi1, Ki-Dong Kim2, and Young-Seak Lee†
  • Department of Fine Chemical Engineering and Chemistry, BK21-E2M, Chungnam National University, Daejeon 305-764, Republic of Korea
  • 1Department of Chemical Engineering Education, Chungnam National University, Daejeon 305-764, Republic of Korea
  • 2R&D Center, Korea Gas Corporation, Seongnam 463-815, Republic of Korea
E-mail:
In this study, the breakthrough curve behaviors of aminated carbon molecular sieves (CMSs) were investigated for a CO2/CH4 mixed gas, and the selective separation of CO2 was demonstrated. Nitrogen functional groups were effectively introduced onto the surfaces of the a-CMSs, and they attached themselves to the pores of the CMSs as the ammonium hydroxide concentration was increased. Nitrogen functional groups on the surfaces of the aminated CMSs, such as .NH2 and .CN, played an important role in guiding CO2 into the micropores via the attractive forces felt by the electrons in the CO2 molecules.
Keywords:Carbon molecular sieve;Carbon dioxide;Ammonium hydroxide;Gas separation;Breakthrough curve
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