Bottom-cracking additive improves FCC middle distilate yeilds

For the first time, bottom-cracking additives (BCA) have been tested in a distillate-mode fluid catalytic cracking (FCC) unit. The research and development center of Indian Oil Corp. Ltd. conducted the BCA trial in one of its distillate-mode FCC units. Plant data demonstrate that BCA can improve the middle distillate yield by about 2 wt % or more (depending on feed heaviness) through selective upgrading of the bottoms. Bottom-cracking additive is a large pore (50 Å), noncrystalline, silica-alumina matrix with sufficient acidity to precrack larger molecules. This additive is a very recent development in the FCC field, and only a few commercial trials have been done so fa...

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