A high activity and high stability iron oxide based dehydrogenation catalyst having a low concentration of titanium and the manufacture and use thereof

A high activity and high stability iron oxide based dehydrogenation catalyst having a low concentration of titanium and the manufacture and use thereof

  • CN 101,072,638 B
  • Filed: 11/16/2005
  • Issued: 03/20/2013
  • Est. Priority Date: 11/18/2004
  • Status: Active Grant
First Claim
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1. iron oxide based dehydrogenation catalyst composition, it comprises:

  • The iron oxide component that Ti content is low, wherein from the molysite aqueous solution that comprises metallic iron, precipitate the yellow iron oxide that yellow iron oxide precipitation prepares by heat treatment and precipitate to prepare described iron oxide component, wherein said yellow iron oxide precipitation has the second titanium concentration less than 300ppm, the lower limit of titanium concentration range is low to moderate 1ppbw in the wherein said iron oxide component, and wherein said iron oxide based dehydrogenation catalyst composition has the first titanium concentration less than 300ppm.

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