The invention provides for methods, devices, and systems for pyrolyzing biomass. A pyrolysis unit can be used for the pyrolysis of biomass to form gas, liquid, and solid products. The biomass materials can be selected such that an enhanced biochar is formed after pyrolysis. The biomass can be pyroly
The invention provides for methods, devices, and systems for pyrolyzing biomass. A pyrolysis unit can be used for the pyrolysis of biomass to form gas, liquid, and solid products. The biomass materials can be selected such that an enhanced biochar is formed after pyrolysis. The biomass can be pyrolyzed under specified conditions such that a selected biochar core is formed. The pyrolysis process can form a stable biochar core that is inert and/or resistant to degradation. The biochar or biochar core can be functionalized to form a functionalized biochar or functionalized biochar core. Functionalization can include post-pyrolysis treatments such as supplementation with microbes or physical transformations including annealing and/or activation.
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1. (canceled) 2. A biochar that is usable for growth of an organism in soil, comprising a biochar core comprising (i) a porosity that is less than or equal to about 0.9 of a total volume of said biochar core, (ii) a surface area greater than or equal to about 1 m2 per gram or less than or equal to a
1. (canceled) 2. A biochar that is usable for growth of an organism in soil, comprising a biochar core comprising (i) a porosity that is less than or equal to about 0.9 of a total volume of said biochar core, (ii) a surface area greater than or equal to about 1 m2 per gram or less than or equal to about 5000 m2 per gram, and (iii) pores with average pore sizes less than or equal to about 400 micrometers, wherein said biochar core has increased capacity to hold a nutrient or biological energy source relative to a biomass precursor of said biochar core. 3. The biochar of claim 2, wherein said biochar core comprises pores with average pore sizes less than or equal to about 200 micrometers. 4. The biochar of claim 3, wherein said biochar core comprises pores with average pore sizes from about 5 micrometers to 50 micrometers. 5. The biochar of claim 2, wherein said porosity is less than or equal to about 0.7. 6. The biochar of claim 2, wherein said biochar core includes a supplement that that includes said nutrient or biological energy source, which supplement promotes growth of said organism in said soil. 7. The biochar of claim 6, wherein said supplement includes one or more microbes, a nutrient or energy source, a fertilizer, or any combination thereof. 8. The biochar of claim 7, wherein said one or more microbes are selected from the group consisting of rhizobacteria, a trichoderma and a mycorrhiza. 9. The biochar of claim 6, wherein said supplement includes one or more nutrients selected from the group consisting of nitrogen, phosphorus, potassium, selenium, cobalt, iron, calcium, magnesium and manganese. 10. The biochar of claim 2, wherein said surface area is greater than or equal to about 1 m2 per gram. 11. The biochar of claim 10, wherein said surface area is greater than or equal to about 50 m2 per gram. 12. The biochar of claim 2, wherein said surface area is less than or equal to about 5000 m2 per gram. 13. The biochar of claim 12, wherein said surface area is less than or equal to about 500 m2 per gram. 14. The biochar of claim 2, wherein said biochar core comprises less than about 30 wt % volatile compounds. 15. The biochar of claim 2, wherein said biochar core comprises less than about 30 wt % oil. 16. A method for producing a biochar that is usable for growth of an organism in soil, comprising generating a biochar core comprising (i) a porosity that is less than or equal to about 0.9 of a total volume of said biochar core, (ii) a surface area greater than or equal to about 1 m2 per gram or less than or equal to about 5000 m2 per gram, and (iii) pores with average pore sizes less than or equal to about 400 micrometers, wherein said biochar core has increased capacity to hold a nutrient or biological energy source relative to a biomass precursor of said biochar core. 17. The method of claim 16, further comprising generating said biochar core by pyrolyzing said biomass under operating parameters attuned to said biomass. 18. The method of claim 17, wherein said operating parameters include a time-dependent temperature profile that corresponds to said biochar core. 19. The method of claim 17, wherein said operating parameters include an established temperature range and rate of temperature change that corresponds to said biochar core. 20. The method of claim 16, further comprising blending said biochar core with organic matter, washing said biochar core, annealing said biochar core, or activating said biochar core. 21. The method of claim 16, further comprising heating said biomass supplemented with a feedstock having an ash content greater than about 5%. 22. The method of claim 16, further comprising heating said biomass under oxygen deficient conditions to generate said biochar core. 23. The method of claim 16, further comprising contacting said biochar core with a supplement that includes said nutrient or biological energy source to functionalize said biochar, which supplement promotes growth of said organism in said soil.
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