Carbide/nitride based fuel processing catalysts

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Inorganic carbon containing

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C502S177000, C502S178000, C502S200000, C502S313000, C502S325000

Reexamination Certificate

active

06897178

ABSTRACT:
Catalysts for the water gas shift reaction contain a variety of late transition metals. The catalytic compositions contain a late transition metal carried on a support which is a carbide, nitride, or mixed carbide nitride of a group 6 metal such as molybdenum, tungsten, and mixtures thereof. The late transition metal includes ruthenium, cobalt, nickel, palladium, platinum, copper, silver, or gold. The water gas shift reaction may be catalyzed by contacting a gaseous stream containing carbon monoxide and water with such a solid catalyst composition. In some embodiments, the catalysts are several times more active than known commercial catalysts for the water gas shift reaction.

REFERENCES:
patent: 4414182 (1983-11-01), Okamoto et al.
patent: 5338716 (1994-08-01), Triplett et al.
patent: 5680292 (1997-10-01), Thompson et al.
patent: 5837630 (1998-11-01), Owens et al.
patent: 5888669 (1999-03-01), Thompson et al.
patent: 6297185 (2001-10-01), Thompson et al.
patent: 6623720 (2003-09-01), Thompson et al.
patent: 20040146458 (2004-07-01), Weissman et al.
Journal of Catalysis 112, p. 44-53 (1988), “Molybdenum Carbide Catalysts”, J.S.Lee, L. Volpe, F. H. Ribeiro, M. Boudart, no month.
Journal of Catalysis 32, p. 304-314 (1974), “The Kinetics and Mechanism of Spillover”, R. B. Levy, M. Boudart, no month.
Journal of Solid State Chemistry 118, p. 84-92 (1995), “Kinetics and Mechanism of Molybdenum (VI) Oxide Reduction”, Jerzy Sloczynski, no month.
Journal of Catalysis 134, p. 383-398 (1992), “Compared Activities of Platinum and High Specific Surface Area Mo2C and WC Catalysts for Reforming Reactions”, Marc J. Ledoux, Cuong Pham Huu, Jean Guille, Hugh Dunlop, no month.
Catalysis Letters 35 (1995) p. 353-360, “Novel Catalysts for Selective Dehalogenation of CC12F2(CFC12)”, B. Dhandapani, S. T. Oyama, no month.
Journal of Catalysis 144, p. 38-49 (1993), “CO2-Reforming of Methane Over Transition Metals”, J. R. Rostrup-Nielsen, J-H. Bak Hansen, no month.
Chem. -Ing. -Tech. 69, p. 83-87 (1997), “Rhodium auf Wolframcarbid—ein neuer Katalysator zum Reformieren”, J. Volter, H. Berndt, G. Lietz, H. Preiss, R. Tamme.
Journal of Catalysis 201, p. 206-212 (2001), “Activity and Stability of Molybdenum Carbide as a Catalyst for CO2Reforming”, J. Sehested, C. J. H. Jacobsen, S. Rokni, J. R. Rostrup-Nielsen, no month.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Carbide/nitride based fuel processing catalysts does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Carbide/nitride based fuel processing catalysts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Carbide/nitride based fuel processing catalysts will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3441853

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.