Aluminum base catalyst for preparing vinyl fluoride from 1,1-difluoroethane, and preparation method and application thereof

Aluminum base catalyst for preparing vinyl fluoride from 1,1-difluoroethane, and preparation method and application thereof

  • CN 104,841,413 A
  • Filed: 02/18/2014
  • Published: 08/19/2015
  • Est. Priority Date: 02/18/2014
  • Status: Active Application
First Claim
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1. an aluminium-based catalyst, for 1,1-Difluoroethane gas phase dehydrofluorination prepares PVF, it is characterized in that described aluminium-based catalyst contains main active component aluminium and modified component, the one, more than two or three that described modified component is selected from lanthanum, yttrium, cerium, zirconium, zinc, magnesium, nickel, cobalt, iron, manganese, tin and bismuth combines, and the mol ratio of described aluminium and modified component is 1:

  • 0.01 ~ 0.3;

    When modified component be zinc and/or magnesium time, the mol ratio of described aluminium and modified component is 1;

    0.03 ~ 0.27.

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