Marubeni has filed a patent for a system that produces high biogenic carbon concentration Fischer-Tropsch (F-T) liquids from municipal solid waste (MSW) processed feedstock. The system includes a bio-refinery and a gasification island that converts the feedstock into syngas containing CO, H2, H2O, and CO2. The liquids derived from this process have a high concentration of biogenic carbon and a low concentration of non-biogenic carbon. GlobalData’s report on Marubeni gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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A system for producing high biogenic carbon concentration fischer-tropsch liquids
A recently filed patent (Publication Number: US20230313062A1) describes a system for producing high biogenic carbon concentration Fischer-Tropsch (F-T) liquids derived from municipal solid wastes (MSW) processed feedstock. The system aims to maintain a high concentration of biogenic carbon (carbon derived from plants) and a low concentration of non-biogenic carbon (from fossil sources) in the Fischer-Tropsch derived liquids.
The system includes a bio-refinery that converts the processed feedstock into Fischer-Tropsch liquids while preserving the desired carbon characteristics. Within the bio-refinery, there is a gasification island (GI) that performs gasification and sub-stoichiometric oxidation of the feedstock. The GI produces syngas containing CO, H2, H2O, and CO2. It also recovers the biogenic carbon through hydrocarbon reforming of the biogenic compounds and receives recycled CO2.
The system further includes a syngas conditioning system and an F-T reactor that receives syngas from the conditioning system. The syngas conditioning system provides CO2 recycle to the gasification island. The F-T reactor produces FT liquids, including a heavy FT liquid fraction (HFTL) and a medium liquid fraction (MFTL), as well as F-T tailgas. The F-T tailgas is recycled back to the F-T reactor.
Additionally, the system includes a hydrocracker for receiving the F-T liquids and a fractionator for receiving heavy crackate and light crackate from the hydrocracker. The fractionator provides the recycled high biogenic hydrocarbon products, which can include high biogenic concentration of synthetic paraffinic kerosene (SPK), naphtha, diesel, or a combination of all three.
The system aims to produce high biogenic concentration Fischer-Tropsch liquids, including fuels such as diesel fuel. It also focuses on the production of synthetic paraffinic kerosene (SPK) and naphtha. The system utilizes recycling of CO, H2, CO2, and selected hydrocarbon products, including naphtha and methane. The recycled selected hydrocarbon products and intermediate products, including tail gas from the Fischer-Tropsch process, are involved in the recycling process.
Furthermore, the system removes high biogenic carbon dioxide (CO2) produced in the process from the gas streams and recycles a portion of it back to the gasification system.
In summary, the patent describes a system that utilizes municipal solid waste as a feedstock to produce Fischer-Tropsch liquids with a high concentration of biogenic carbon and a low concentration of non-biogenic carbon. The system includes various components such as a bio-refinery, gasification island, syngas conditioning system, F-T reactor, hydrocracker, and fractionator. The system aims to produce high biogenic concentration Fischer-Tropsch liquids, including fuels like diesel and synthetic paraffinic kerosene (SPK), by utilizing recycling processes.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
