Olefin reduction strategies

Olefin content in FCC gasoline generally varies between 40-60 vol %. Residue feedstocks like atmospheric tower bottoms (ATB) and vacuum tower bottoms (VTB) raise olefin content, especially when the FCC operates with USY zeolite catalysts, high reaction temperatures, and short contact times.Due to the shortage of other high-octane and olefin-free blending components like alkylate, isomerate, and oxygenates, many Chinese refineries find it difficult to meet stricter gasoline olefin limits of Olefins are the main contributors to octane in cracked gasoline. A reduced FCC gasoline olefin content creates some restrains including octane number and yield distribution. Each existing strategies for...

Why Register?

Non-subscribers can only view whitepapers by providing name, home and email address, phone number and other information and comment on/rate articles.

Why Subscribe?

Oil & Gas Journal subscribers with login credentials can access these premium features of OGJ Online:

  • Current Issue – an html version of the current week's issue of Oil & Gas Journal.
  • Past Issues – An Electronic OGJ Archive. A keyword-searchable archive of all issues of Oil & Gas Journal dating back to 1990; also searchable by issue date.
  • Market Journal – a weekly round-up of the oil and gas markets, with observations from leading analysts.
  • Editor's Perspective – a short article of insight and opinion by the Editor of Oil & Gas Journal.
  • OGJ Industry Stats – quick access to current industry statistics from Oil & Gas Journal.
  • OGJ Survey Downloads - quick access to exclusive reports from Oil & Gas Journal.


Subscriber Help or Subscribe

Oil & Gas Journal Subscribers: Have your subscription number (from the mailing label on the cover of your Oil & Gas Journal) and e-mail address ready to set up your online account through Customer Service Assistant.

If you're not an Oil & Gas Journal subscriber, start a subscription and gain access to the subscriber areas of OGJ Online now.

Stay Connected