At European level, Directive 2018/2001 / EU on energy from renewable sources is the legal framework for its development in all sectors of the EU economy. Among the other sources, biomass for energy (bioenergy) continues to occupy a leading place in the EU, with a share of almost 60%. Biomass energy can be used for heating, electricity and transport fuels, contributing to economic growth, job creation and reducing greenhouse gas emissions. Biomass production takes place from the growth of raw materials to the final conversion of energy, but ultimately renewable energy in biomass must meet the sustainability criteria. At present, sustainability criteria are regulated for agricultural biomass that does not have to come from forests with high forest biodiversity. The process of producing pellets consists of subjecting the very fine dry biomass to high pressures and temperatures, and the compression is done through a hole of a few millimeters where small cylinders are produced which are cut to the desired length and then cooled. The pellets have a cylindrical shape, with a diameter between 6-10 mm and 10-30 mm in length, are easy to handle, represent a dense fuel in energy (650 kg / m3 bulk density), and the use of local resources in the production of pellets makes a concrete contribution to environmental change.

biomass, pellets, energy, sustainability

field crops and pastures

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