Baking black

by Gerrit Surup

Postdoctoral researcher

Leibniz Institute for Agricultural Engineering Potsdam-Bornim

The photo shows the dark, fluffy product from converting olive pulp waste by means of hydrothermal carbonization. This process takes place at 180-250 °C and 20-50 bars and turns biomass into hydrochar. Hydrochar is a carbon rich material similar to biochar with various potential applications such as catalysis and separation. Our idea is to use hydrochar for soil amendment using its sorption capacity and recalcitrance to improve the soils holding capacity for water and plant nutrients.

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