In addition to the predominant proportion of natural wood, the material contains impurities such as glass, textiles, bones, waste wood and, in particular, foil waste and hard plastics.
Biological screen residues from composting of municipal biowaste (biowaste bin)
Depending on the quality, the biological screen residues are supplied to further treatment to remove impurities with the aim of producing fuel from the natural wood fraction that is in conformity with the Renewable Energy Law. The low-grad qualities are burned in substitute fuel power plants to generate energy.
Renewable Energy Law 2017 as fuel compliant with that law