Method and system for biomass hydrogasification
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United States of America Patent
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Jan 29, 2019
Grant Date -
Oct 20, 2016
app pub date -
Jun 24, 2016
filing date -
Nov 18, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a system and method for producing hydrocarbons from biomass. The method is particularly useful for producing substitute natural gas from forestry residues. Certain disclosed embodiments convert a biomass feedstock 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 disclosed for cycling the catalyst between steam reforming, methanation and regeneration zones.
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International Classification(s)
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- C25B:ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE ....
- C10L:FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYN....
- C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
- 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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