Advances in zeolite of bifunctional catalyst for CO/CO2 hydrogenation
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O643.3

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    Abstract:

    Bifunctional catalysts can hydrogenate carbon monoxide or carbon dioxide (CO/CO2) directly to synthesize lower olefins, aromatics and gasoline, etc., which has the advantages of short process flow and low energy consumption. Bifunctional catalysts are composed of metal oxides and zeolites. The specific cavity structures, acidic properties and the combination with metal oxides of zeolites can significantly affect their catalytic performances. The research progress of zeolites used in CO/CO2 hydrogenation over bifunctional catalysts in recent years is reviewed. The effects of the types of zeolites, acidic properties, morphology and particle size, metal modification, combination of zeolite and metal oxide on the catalytic performance are summarized. The development trend of zeolites in bifunctional catalysts is prospected.

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History
  • Received:May 07,2020
  • Revised:June 10,2020
  • Adopted:June 12,2020
  • Online: August 05,2020
  • Published:
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