New presulfurized catalyst reduces exotherm potential in hydrocrackers

Stephen BlashkaCRI International Inc.Houston Geoffrey Bond Citgo Petroleum Corp.Lake Charles, La. David WardShell Chemical Co.Houston An improved technique for ex situ catalyst presulfurizing has been successfully applied in several hydrocracker start-ups, including one at Citgo Petroleum Corp.'s refinery in Lake Charles, La. Because hydrocrackers are critical process units, refiners have a strong incentive for minimizing the units' downtimes. Catalyst that is ex situ presulfurized using CRI International Inc.'s actiCAT process offers the potential for significant time savings over conventional in situ sulfiding without the temperature spikes associated...

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