Method and system for biomass hydrogasification
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United States of America Patent
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Jul 19, 2016
Grant Date -
Jan 24, 2013
app pub date -
May 17, 2012
filing date -
Nov 18, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
Certain aspects of the system and method concern producing hydrocarbons from biomass. The method is particularly useful for producing substitute natural gas from forestry residues. A biomass feedstock may be converted into a product hydrocarbon by fast pyrolysis. The resulting pyrolysis gas is converted to the product hydrocarbon and carbon dioxide in the presence of hydrogen and steam while simultaneously generating the required hydrogen by reaction with steam under prescribed conditions for self-sufficiency of hydrogen. Methane is a preferred hydrocarbon product. A system also is described for cycling the catalyst between steam reforming, methanation and regeneration zones.
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International Classification(s)
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- C10L:FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYN....
- C10K:PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- C10G:CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HY....
- C10B:DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS....
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