Abstract
Disclosed is a method for producing gas from biomass comprising feeding biomass to a pyrolysis unit, pyrolyzing the biomass while transporting the biomass through the pyrolysis unit to transform the biomass into pyrolysis gas and biochar, raising the temperature of the pyrolysis gas in a partial oxidation unit in which said pyrolysis gas 5 is partial oxidized, guiding the partial oxidized pyrolysis gas through a pyrolysis gas mantle enclosing a part of the pyrolysis unit to provide heat to the pyrolysis process in said pyrolysis unit, guiding the partial oxidized pyrolysis gas from the pyrolysis gas mantle to a cooling unit in which the temperature of the partial oxidized pyrolysis gas is lowered, guiding a portion of the biochar into a biochar filter, and guiding the cooled 10 pyrolysis gas through the biochar in the biochar filter. Furthermore, a system for producing gas from biomass is disclosed.
| Original language | English |
|---|---|
| IPC | C10K 1/ 02 A I |
| Patent number | WO2021213595 |
| Filing date | 15/02/2021 |
| Country/Territory | International Bureau of the World Intellectual Property Organization (WIPO) |
| Priority date | 22/04/2020 |
| Priority number | EP20200170865 |
| Publication status | Published - 28 Oct 2021 |
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