화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.23, No.1, 17-20, January, 2006
DOI10.1007/BF02705686  Export Citation
Promotion effects of ceria in partial oxidation of methane over Ni-calcium hydroxyapatite
Ki Hoon Kim, Sang Yup Lee, Suk-Woo Nam1, Tae Hoon Lim1, Seong-Ahn Hong1, and Ki June Yoon†
  • Department of Chemical Engineering, Sungkyunkwan University, Suwon 440-746, Korea
  • 1Battery and Fuel Cell Research Center, Korea Institute of Science and Technology, Seoul 136-791, Korea
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Effects of ceria added as a promoter to a nickel-calcium hydroxyapatite catalyst, which has recently been reported to exhibit high activity and selectivity in partial oxidation of methane, were investigated. The ceria-promoted catalyst exhibited higher activity and stability than the unpromoted one. This is considered due to the oxygen storage capacity of ceria, which promotes easier removal of the deposited carbon. The optimum content of ceria was determined to lie in the range of the Ce/Ni ratio from 0.1/2.5 to 0.2/2.5.
Keywords:Calcium Hydroxyapatite;Ceria;Methane Partial Oxidation;Nickel;Promoter
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