The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 29, 2011
Filed:
Nov. 18, 2008
Belma Demirel, Longmont, CO (US);
Charles B. Benham, Arvada, CO (US);
Dan Fraenkel, Boulder, CO (US);
Richard Bley, Longmont, CO (US);
Jesse W. Taylor, Westminster, CO (US);
Bahman Rejai, Littleton, CO (US);
Sara Rolfe, Loveland, CO (US);
Harold A. Wright, Longmont, CO (US);
Belma Demirel, Longmont, CO (US);
Charles B. Benham, Arvada, CO (US);
Dan Fraenkel, Boulder, CO (US);
Richard Bley, Longmont, CO (US);
Jesse W. Taylor, Westminster, CO (US);
Bahman Rejai, Littleton, CO (US);
Sara Rolfe, Loveland, CO (US);
Harold A. Wright, Longmont, CO (US);
Rentech, Inc., Los Angeles, CA (US);
Abstract
A method of activating an iron Fischer-Tropsch catalyst by introducing an inert gas into a reactor comprising a slurry of the catalyst at a first temperature, increasing the reactor temperature from the first temperature to a second temperature at a first ramp rate, wherein the second temperature is in the range of from about 150° C. to 250° C., introducing synthesis gas having a ratio of H:CO to the reactor at a space velocity, and increasing the reactor temperature from the second temperature to a third temperature at a second ramp rate, wherein the third temperature is in the range of from about 270° C. to 300° C. The iron Fischer-Tropsch catalyst may be a precipitated unsupported iron catalyst, production of which is also provided.