Thermochemical conversion of biomass to syngas via an entrained pyrolysis/gasification process
November 22, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References Re29312 3039955 Process for gasifying carbonaceous matter Waste water processing Coal gasifier having an elutriated feed stream Coal gasification process Apparatus for producing combustible gases from carbonaceous materials Solid waste disposal system Loop pyrolysis process for organic solid wastes Apparatus and method for producing combustible gases from biomass material InventorsAssigneeApplicationNo. 06/443335 filed on 11/22/1982US Classes:48/111, Wood252/373, Carbon-oxide and hydrogen containing48/197R, PROCESSES48/209WoodExaminersPrimary: Bashore, S. LeonAssistant: Hastings, Karen M. Attorney, Agent or FirmInternational ClassesC10J 3/46 (20060101)C10J 3/66 (20060101) C10J 3/00 (20060101) AbstractBiomass feedstock raw material is converted to synthesis gas by drying and sizing biomass raw material, pyrolyzing the processed biomass in intimate mixture with inert gases such as combustion products, thereby obtaining a product mixture of char, pyrolysis oil, and pyrolysis gas, and gasifying the char and some of the pyrolysis oil in the presence of steam and oxygen at a temperature sufficient to form the synthesis gas product substantially comprising carbon monoxide and hydrogen. | |
