Nanoparticulate-catalyzed oxygen transfer processes
Abstract
Nanoparticulates of oxygen transfer materials that are oxides of rare earth metals, combinations of rare earth metals, and combinations of transition metals and rare earth metals are used as catalysts in a variety of processes. Unexpectedly large thermal efficiencies are achieved relative to micron sized particulates. Processes that use these catalysts are exemplified in a multistage reactor. The exemplified reactor cracks C6 to C20 hydrocarbons, desulfurizes the hydrocarbon stream and reforms the hydrocarbons in the stream to produce hydrogen. In a first reactor stage the steam and hydrocarbon are passed through particulate mixed rare earth metal oxide to crack larger hydrocarbon molecules. In a second stage, the steam and hydrocarbon are passed through particulate material that desulfurizes the hydrocarbon. In a third stage, the hydrocarbon and steam are passed through a heated, mixed transition metal/rare earth metal oxide to reform the lower hydrocarbons and thereby produce hydrogen. Stages can be alone or combined. Parallel reactors can provide continuous reactant flow. Each of the processes can be carried out individually.
- Inventors:
- Issue Date:
- Research Org.:
- nGimat Co., Atlanta, GA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1013690
- Patent Number(s):
- 7625482
- Application Number:
- 11/473,463
- Assignee:
- nGimat Co. (Atlanta, GA)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10G - CRACKING HYDROCARBON OILS
- DOE Contract Number:
- FG02-04ER86219
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2006 Jun 23
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Hunt, Andrew T., and Breitkopf, Richard C. Nanoparticulate-catalyzed oxygen transfer processes. United States: N. p., 2009.
Web.
Hunt, Andrew T., & Breitkopf, Richard C. Nanoparticulate-catalyzed oxygen transfer processes. United States.
Hunt, Andrew T., and Breitkopf, Richard C. Tue .
"Nanoparticulate-catalyzed oxygen transfer processes". United States. https://www.osti.gov/servlets/purl/1013690.
@article{osti_1013690,
title = {Nanoparticulate-catalyzed oxygen transfer processes},
author = {Hunt, Andrew T. and Breitkopf, Richard C.},
abstractNote = {Nanoparticulates of oxygen transfer materials that are oxides of rare earth metals, combinations of rare earth metals, and combinations of transition metals and rare earth metals are used as catalysts in a variety of processes. Unexpectedly large thermal efficiencies are achieved relative to micron sized particulates. Processes that use these catalysts are exemplified in a multistage reactor. The exemplified reactor cracks C6 to C20 hydrocarbons, desulfurizes the hydrocarbon stream and reforms the hydrocarbons in the stream to produce hydrogen. In a first reactor stage the steam and hydrocarbon are passed through particulate mixed rare earth metal oxide to crack larger hydrocarbon molecules. In a second stage, the steam and hydrocarbon are passed through particulate material that desulfurizes the hydrocarbon. In a third stage, the hydrocarbon and steam are passed through a heated, mixed transition metal/rare earth metal oxide to reform the lower hydrocarbons and thereby produce hydrogen. Stages can be alone or combined. Parallel reactors can provide continuous reactant flow. Each of the processes can be carried out individually.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Dec 01 00:00:00 EST 2009},
month = {Tue Dec 01 00:00:00 EST 2009}
}