Biochar from press cake – a climate-smart solution for agriculture
In green biorefineries, forage crops such as grass and clover are processed to extract protein and energy. An important by-product of this process is the press cake, a fibre-rich residue that is produced when the liquid is pressed out of the biomass. The press cake can be used as animal feed or for biogas production, but it can also be converted into biochar through a process called pyrolysis.
By Cecilia Hermansson Project Manager for Research & Development at Hushållningssällskapet Sjuhärad, Sweden.
