David T Parham

US Patent:

20130109768, May 2, 2013

Filed:

Oct 31, 2011

Appl. No.:

13/285098

Inventors:

Robert J. Saxton - Pleasanton CA, US
Gordon R. Deppe - Clayton CA, US
Scott Oliver - Perth, AU
David W. Parham - Houston TX, US
Kandaswamy Jothimurugesan - Hercules CA, US
Charles L. Kibby - Benicia CA, US
Tapan K. Das - Albany CA, US
Christine M. Philips - Pleasant Hill CA, US
Richard Sasson - Friendswood TX, US
Anne Helgeson - Broadmoor CA, US

Assignee:

Chevron U.S.A. Inc. - San Ramon CA

International Classification:

C07C 1/04
B01J 19/00

US Classification:

518706, 422187, 518715, 585 16

Abstract:

Processes and systems are provided for converting synthesis gas containing a mixture of Hand CO to liquid hydrocarbon products having a cloud point less than about 15 C. The systems utilize at least one Fischer-Tropsch reactor containing hybrid Fischer-Tropsch catalyst with cooling and separation of reactor effluent following each reactor. The low cloud point indicates that the amount of wax in the hydrocarbon products is minimized relative to conventional Fischer-Tropsch conversion. Accordingly, more economical systems can be built and operated because equipment associated with wax removal or wax treatment can be reduced or eliminated.