Processes for producing high biogenic concentration Fischer-Tropsch liquids derived from municipal solid wastes (MSW) feedstocks
First Claim
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1. A process for producing high biogenic carbon content Fischer-Tropsch liquids derived from municipal solid wastes that contain materials that are produced from plant derived carbon (biogenic) as well as non-biogenic derived carbon (fossil based) materials, the process comprising:
- a) in a feedstock processing step, removing non-biogenic derived carbon materials and non-carbonaceous materials from the municipal solid wastes to produce a feedstock that is contains a relatively high concentration of biogenic carbon and a relatively low concentration of non-biogenic carbons along with other non-carbonaceous materials from the municipal solid wastes;
b) in a power generation process, converting some or all of the high biogenic carbon content material into high biogenic power with reduced lifecycle greenhouse gas emissions and higher renewable energy credits; and
c) in a bio-refinery, converting the processed feedstock into Fischer-Tropsch liquids while maintaining the relatively high concentration of biogenic carbon up to 90% and the relatively low concentration of non-biogenic carbon up to 10% along with other non-carbonaceous materials from the municipal solid wastes.
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Abstract
Processes for producing high biogenic concentration Fischer-Tropsch liquids derived from the organic fraction of municipal solid wastes (MSW) feedstock that contains a relatively high concentration of biogenic carbon (derived from plants) and a relatively low concentration of non-biogenic carbon (derived from fossil sources) wherein the biogenic content of the Fischer-Tropsch liquids is the same as the biogenic content of the feedstock.
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7 Claims
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1. A process for producing high biogenic carbon content Fischer-Tropsch liquids derived from municipal solid wastes that contain materials that are produced from plant derived carbon (biogenic) as well as non-biogenic derived carbon (fossil based) materials, the process comprising:
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a) in a feedstock processing step, removing non-biogenic derived carbon materials and non-carbonaceous materials from the municipal solid wastes to produce a feedstock that is contains a relatively high concentration of biogenic carbon and a relatively low concentration of non-biogenic carbons along with other non-carbonaceous materials from the municipal solid wastes; b) in a power generation process, converting some or all of the high biogenic carbon content material into high biogenic power with reduced lifecycle greenhouse gas emissions and higher renewable energy credits; and c) in a bio-refinery, converting the processed feedstock into Fischer-Tropsch liquids while maintaining the relatively high concentration of biogenic carbon up to 90% and the relatively low concentration of non-biogenic carbon up to 10% along with other non-carbonaceous materials from the municipal solid wastes. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A process for producing high biogenic carbon concentration Fischer-Tropsch (F-T) liquids derived from municipal solid wastes (MSW) processed feedstock that contain a relatively high concentration of biogenic carbon (carbon derived from plants) and a relatively low concentration of non-biogenic carbon (from fossil sources of carbon) along with other non-carbonaceous materials, said process comprising:
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a) a bio-refinery for converting the processed feedstock into Fischer-Tropsch liquids while maintaining the relatively high concentration of biogenic carbon up to 90% and the relatively low concentration of non-biogenic carbon up to 10% along with other non-carbonaceous materials from the municipal solid wastes; and b) within the bio-refinery, a gasification island (GI) for converting the biogenic carbon into biogenic syngas by a combination of steam reforming, sub-stoichiometric carbon oxidation and hydrocarbon reformation while producing syngas, including CO, H2 and CO2.
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Specification