IP Library Granted Patent US 8,399,527
Granted Patent B1
US 8,399,527 · App. 12/726,106 · Granted Mar 19, 2013

Bound cobalt nanowires for Fischer-Tropsch synthesis

Inventors: Joshua Brown (West Monroe, LA); John McDonald (West Monroe, LA); Chester Wilson (Ruston, LA)
Assignee: Louisiana Tech University Research Foundation; a division of Louisiana Tech University Foundation, Inc.
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Quick Facts
Patent No.
US 8,399,527
App. No.
12/726,106
Granted
Mar 19, 2013
Kind
B1
Abstract

A Fischer-Tropsch process including the steps of providing a reactor having a substrate element with a surface and a plurality of elongated micro-structures of catalyst material attached to the substrate surface The catalyst material includes at least one of cobalt, iron, or ruthenium and the micro-structures have a width of less than about 1 um and a length at least five times the width. A carbon compound and hydrogen are injected into the reactor such that at least a portion of the carbon compound and hydrogen contact the catalyst material. The carbon compound and hydrogen are reacted with the catalyst at a temperature between about 80° F. and about 200° F.

Claims (24)

1. A Fischer-Tropsch process comprising the steps of:

a. providing a reactor comprising a substrate element having a surface and a plurality of elongated micro-structures of catalyst material attached to the substrate surface, the catalyst material including at least one of cobalt, iron, or ruthenium and the micro-structures comprising:

i. a width of less than about 1 um;

ii. a length at least five times the width

b. injecting a carbon compound and hydrogen into the reactor such that at least a portion of the carbon compound and hydrogen contact the catalyst material;

c. reacting the carbon compound and hydrogen with the catalyst at a temperature between about 80° F. and about 200° F.

2. The process according to claim 1 , wherein the carbon compound is carbon monoxide.

3. The process according to claim 1 , wherein carbon compound and hydrogen are reacted with the catalyst at a temperature between about 90° F. and about 150° F.

4. The process according to claim 1 , wherein the reactor operates at a pressure of less than about 50 psig.

5. The process according to claim 1 , wherein the substrate element is substantially nonporous.

6. The process according to claim 2 , wherein the carbon monoxide and hydrogen are supplied at a mass ratio ranging from about 1:2 to about 1:1.

7. The process according to claim 1 , wherein said reactor includes a fluid conduit in thermal contact with the substrate element.

8. The process according to claim 7 , further comprising circulating a cooling medium through said fluid conduit.

9. The process according to claim 1 , wherein the micro-structures have a width of between about 10 nm and about 500 nm.

10. A Fischer-Tropsch process comprising the steps of:

a. providing a reactor comprising a substantially nonporous substrate element having a surface and a plurality of elongated micro-structures of catalyst material attached to the substrate surface, the micro-structures comprising:

i. a width of less than about 1 um;

ii. a crystal structure having substantially no grain boundaries;

b. injecting a gaseous carbon compound and hydrogen into the reactor such that at least a portion of the carbon compound and hydrogen contact the catalyst material;

c. reacting the carbon compound and hydrogen with the catalyst at above ambient pressure and temperature.

11. The process according to claim 10 , wherein the catalyst material comprises cobalt.

12. The process according to claim 10 , wherein the carbon compound is carbon monoxide.

13. The process according to claim 10 , wherein the pressure is between about 100 to about 500 psi and the temperature is between about 300° F. and about 500° F.

14. The process according to claim 10 , further comprising a reactor density of between about 10% and about 90%.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 3, 2016
From: LOUISIANA TECH UNIVERSITY RESEARCH FOUNDATION, A DIVISION OF LOUISIANA TECH UNIVERSITY FOUNDATION, INC.
To: LOUISIANA TECH RESEARCH CORPORATION
Reel/Frame 037653/0323 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 14, 2012
From: BROWN, JOSHUA; WILSON, CHESTER; MCDONALD, JOHN
To: LOUISIANA TECH UNIVERSITY RESEARCH FOUNDATION, A DIVISION OF LOUISIANA TECH UNIVERSITY FOUNDATION, INC.
Reel/Frame 028377/0422 →
Continuity (1)
Provisional Application 61160949 · Mar 17, 2009