Solid Biomass

Agrobiomass is a large, under-exploited and indigenous resource, which can support the achievement of the European Energy and Climate targets, while promoting rural development and circular economy. Small-scale CHP based on the exploitation of agrobiomass could be an ideal solution to satisfy globally energy needs of rural settlements but also of the needs agricultural structures such as greenhouses, poultry and swine houses.

The ORC solution for agrobiomass CHP

ORC technology operating at temperature ranges in the order of 120-130 °C can be used as an efficient solution for small-scale CHP. A biomass boiler is installed to supply with heat the ORC process. In such cases a thermal efficiency in the order of 10% can be achieved, while condensation heat available at 40-50 °C is the space heating source.

Solid biomass ORC
Nominal electric capacity 25 kWe
Design Temperature 130°C (Glycol)
Expander Twin-screw rotary semi-hermetic expander
Evaporator Brazed plate heat exchanger
Condenser Brazed plate heat exchanger for fresh water-cooled units. Need for cooling tower.
Refrigerant R1233zd(E)
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