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1. WO2020109661 - METHOD FOR PRODUCING BIOACTIVE ORGANIC PRODUCTS FROM FOOD AND FEED PRODUCTIONS SIDE STREAMS

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[ EN ]

CLAIMS

1 . A method for producing a bioactive organic product from food and/or feed productions side streams, characterized in that the method comprises

providing biomass (1 ) originating from food and/or feed productions side streams comprising from 2 to 45 % (dry weight) of crude protein, minimum of 10 % (dry weight) of carbohydrates, minimum of 2 % (dry weight) of lipids (fat), maximum of 75 % (dry weight) of total fibers, where maximum of 15 % (dry weight) of fibers is lignin, and moisture content of minimum of from 30 to 85 %;

providing an arrangement for processing said biomass (1 ) comprising a vessel (3) with an inlet (4) for feeding biomass (1 ) into said vessel (3), and with an outlet (5) for discharging processed biomass in a form of bioactive organic product (6) from the vessel (3), and optionally a buffer tank (33) for storing biomass (1 ) prior to feeding into said vessel (3);

feeding biomass (1 ) into said vessel (3), or optionally into the buffer tank (33) through a buffer tank inlet (34);

optionally moving biomass (1 ) gradually from the buffer tank (33) into said vessel

(3) ;

moving biomass (1 ) on at least one support structure (8) in said vessel (3) to the outlet (5) of said vessel (3);

supplying gas (12) by at least two aeration blowers (37) into the vessel (3) and directing gas (12) into biomass (1 ) carried on at least one support structure (8), through at least one pipe means (15);

recovering processed biomass at least partly in the form of a bioactive organic product (6) from the vessel (3);

recycling at least part of gas (12) into biomass (1 ) as recycled gas (46); and discharging exhaust gas (17) from the vessel (3) via gas discharging means (16).

2. The method according to claim 1 , characterized in that temperature of the biomass (1 ) originating from food and/or feed productions side streams is from 10 to 80 °C, preferably from 30 to 50 °C.

3. The method according to claim 1 or 2, characterized in that the biomass (1 ) from food and/or feed productions side streams comprises soy, almond, hemp, shiitake mushroom, sesame, oat, nut, quinoa, hazelnut, cassava, faba bean, and/or seaweeds, or a combination thereof.

4. The method according to any one of claims 1 to 3, characterized in that supplying gas (12) into the biomass (1 ) comprises directing gas (12) into the biomass (1 ) through pipe means (15), which are hollow and comprise holes (35) along the pipe means (15).

5. The method according to any one of claims 1 to 4, characterized in that moving biomass (1 ) on at least one support structure (8) in said vessel (3) comprises moving biomass (1 ) in direction from the inlet (4) to the outlet (5) of said vessel (3) from said at least one support structure (8) to another at least one support structure (8) to at least partly prevent incoming biomass (1 ) to mix with biomass (1 ) present in the vessel (3), and moving and turning over biomass (1 ) on said at least one support structure (8) with moving means (10) comprising one or more blades (32) having different blade angles on each support structure (8), and wherein moving means (10) move biomass (1 ) from the center of the support structure (8) to the edge of the support structure (8), or from the edge of the support structure (8) to the center of the support structure (8).

6. The method according to any one of claims 1 to 5, characterized in that the blades (32) comprise rough or uneven surface.

7. The method according to any one of claims 1 to 6, characterized in that directing gas (12) into biomass (1 ) carried on at least one support structure (8), comprises directing gas (12) through at least one pipe means (15) projecting from at least one support structure (8).

8. The method according to any one of claims 1 to 7, characterized in that the method further comprises removing moisture from exhaust gas (17).

9. The method according to any one of claims 1 to 8, characterized in that the method further comprises directing the exhaust gas (17) which comprises carbon dioxide (CO2) into a cropping system (41 ), such as a farming bed, covered farming bed, raised bed, greenhouse, grow tunnel, or plant wall, or into soil.

10. The method according to any one of claims 1 to 9, characterized in that the method further comprises a step of monitoring temperature, pH value, oxygen concentration, methane concentration, ammonia concentration, relative humidity, volatile fatty acids, hydrogen sulphide and/or microbial activity of the method.

1 1 . An arrangement for processing biomass from food and/or feed productions side streams, characterized in that the arrangement comprises

a vessel (3) for processing biomass (1 ) from food and/or feed productions side streams;

an inlet (4) for feeding biomass (1 ) into said vessel (3);

an outlet (5) for discharging processed biomass in a form of bioactive organic product (6) from the vessel (3);

optionally a buffer tank (33) with a buffer tank inlet (34);

supporting means (7) comprising at least one support structure (8) for carrying biomass (1 ) in said vessel (3);

moving means (10) for moving biomass (1 ) on at least one support structure (8) in said vessel (3) to the outlet (5) of said vessel (3);

supplying means (1 1 ) for supplying gas (12) by at least two aeration blowers (37) into the vessel (3) and configured to direct gas (12) into the biomass (1 ) on said at least one support structure (8);

gas discharging means (16) for discharging exhaust gas (17);

gas recycling means (47) for recycling at least part of gas (12) into the biomass (1 ); and

recovering means (13) for recovering processed biomass in the form of bioactive organic product (6) from the vessel (3).

12. The arrangement according to claim 1 1 , characterized in that the moving means (10) on at least one support structure (8) in said vessel (3) are configured to move biomass (1 ) fed via the inlet (4) into the vessel (3) in direction from the inlet (4) to the outlet (5) of said vessel (3) from said at least one support structure (8) to another at least one support structure (8) to at least partly prevent incoming biomass (1 ) to mix with biomass (1 ) present in the vessel (3), and the moving means (10) are configured at the same time to move and turn over biomass (1 ) on said at least one support structure (8) and move biomass (1 ) from the center of the support structure (8) to the edge of the support structure (8), or from the edge of the support structure (8) to the center of the support structure (8), and the moving means (10) comprise one or more blades (32) having different blade angles on each support structure (8), wherein the blades (32) comprise rough or uneven surface.

13. The arrangement according to claim 1 1 or 12, characterized in that supplying means (1 1 ) comprise at least one pipe means (15) projecting from at least one support structure (8), wherein the pipe means (15) are hollow and comprise holes (35) along the pipe means (15).

14. The arrangement according to any one of claims 1 1 to 13, characterized in that the arrangement further comprises condensing means (9) for removing moisture from exhaust gas (17) or recycled gas (46).

15. The arrangement according to any one of claims 1 1 to 14, characterized in that the arrangement further comprises means for at least partly directing exhaust gas (17) back to the vessel (3) as recycled gas (46).

16. The arrangement according to any one of claims 1 1 to 15, characterized in that the arrangement further comprises means for directing the exhaust gas (17) which comprises carbon dioxide (C02) into a cropping system (41 ), such as a farming bed, covered farming bed, raised bed, greenhouse, grow tunnel, or plant wall, or into soil.

17. Use of the method according to any one of claims 1 to 10 for processing biomass (1 ) from food and/or feed productions side streams.

18. Use of the arrangement according to any one of claims 1 1 to 16 for processing biomass (1 ) from food and/or feed productions side streams.

19. Use of a bioactive organic product (6) obtained by the method of any one of claims 1 to 10 as a soil improvement material, feedstuff, nutrient, or source for bioactive agents.