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FCC process with improved yield of light olefins

  • US 7,312,370 B2
  • Filed: 12/10/2002
  • Issued: 12/25/2007
  • Est. Priority Date: 11/13/2000
  • Status: Expired due to Term
First Claim
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1. A process for fluidized catalytic cracking of a hydrocarbon feed stream to obtain light olefins, the process comprising contacting said hydrocarbon feed stream with a catalyst having a composition including at least 1.0 wt-% of a zeolite having no greater than medium average pore size and said catalyst including at least 0.1 wt-% coke, said contacting occurring in a single reactor for no more than 2 seconds at a hydrocarbon partial pressure of no more than 172 kPa (25 psia).

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