Bulletin of the Korean Chemical Society

  • 제25권2호
  • /
  • Pages.185-189
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  • 2004
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Dehydration of Methanol to Dimethyl Ether over ZSM-5 Zeolite

  • Jiang, Shan (Catalysis Center for Molecular Engineering, Korea Research Institute of Chemical Technology, Department of Chemistry, School of Chemical Engineering, Dalian University of Technology) ;
  • Hwang, Jin-Soo (Catalysis Center for Molecular Engineering, Korea Research Institute of Chemical Technology) ;
  • Jin, Tai-Huan (Catalysis Center for Molecular Engineering, Korea Research Institute of Chemical Technology) ;
  • Cai, Tianxi (Department of Chemistry, School of Chemical Engineering, Dalian University of Technology) ;
  • Cho, Wonihl (LNG Technology Research Center, R & D Division, Korea GAs Co.) ;
  • Baek, Young-Soon (LNG Technology Research Center, R & D Division, Korea GAs Co.) ;
  • Park, Sang-Eon (Department of Chemistry, Inha University)
  • 발행 : 2004.02.20
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초록

Methanol dehydration to dimethyl ether (DME) has been investigated over ZSM-5 zeolites and compared with that of ${\gamma}-Al_2O_3$. Although the catalytic activity was decreased with an increase in silica/alumina ratio, the DME selectivity increased. H-ZSM-5 and NaH-ZSM-5 zeolites were more active for conversion of methanol to DME than ${\gamma}-Al_2O_3$. $Na^+$ ion-exchanged H-ZSM-5 (NaH-ZSM-5) shows higher DME selectivity than H-ZSM-5 due to the selective removal of strong acid sites.

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참고문헌

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피인용 문헌

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