화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.79, 97-105, November, 2019
DOI10.1016/j.jiec.2019.05.029  Export Citation
Promotional role of Ceria in CeO2/MgAl2O4 spinel catalysts in CO2 assisted selective oxidative dehydrogenation of ethylbenzene to styrene
Ch. Prathap1, 2, V. V. Ramana Kumar1, 2, M. Venkata Rao2, P. Nagaiah2, S. Rama Rao K.1, 2, †, and B. David Raju1, 2, †
  • 1CSIR- Academy of Scientific and Innovative Research (CSIR-AcSIR), New Delhi, India
  • 2Catalysis & Fine Chemicals Department, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
E-mail:,
With the aim of understanding the influence of CeO2 on MgO, Al2O3 and MgAl2O4 in CO2 assisted oxidative dehydrogenation of ethylbenzene to styrene was attempted and the results conveyed that the MgAl2O4 spinel supported CeO2 (CeO2/MgAl2O4) catalyst exhibited superior activity with 80% yield of styrene and in apart activity consistency up to 50 h of time-on-stream, revealing the establishment of synergism in CeO2/MgAl2O4, ascertained from XRD, BET Surface area, FT-IR, H2-TPR, UV-vis DRS, XPS, TPD and HRTEM techniques, acid-base characteristics of MgAl2O4, smaller particle size of CeO2 and its high dispersion are responsible for elevated activity, stability and regenarable capability.
Keywords:MgAl2O4 spinel;Oxidative dehydrogenation;Ethylbenzene;Styrene;CO2 utilization
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