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Energetic Utilization of Organic Waste and Residuals in Germany

Biomass is currently the most important renewable energy source in Germany. Approximately two-thirds of the available residue potential in Germany is already used energetically, the thermal recovery with the use of waste wood predominates (Nelles et al. 2013). The energy potential of relevant organic waste and residuals such as waste wood (8%), straw (7%), manure (6%), industrial waste wood (4%) as well as bio- and green waste (1%) is estimated by the Agency for Renewable Energy up to 383 PJ/a in 2020 (AEE 2013).

The share of these substances amounts one third of the technical fuel potential of the total available biomass (usable arable land 2.7 millionhectare).By 2020, the untapped energy potential should to be used for all bioenergy sources. However the development of the energy use of these substances is progressing slowly. These include, forexample for biogas production: organic waste from livestock such as liquid and solid manure or municipal sewage sludge, landscaping material and organic waste from industry and households. In the area of municipal organic waste (compost bin content and biodegradable gardening waste) increasing collected amounts are expected from 2015. New waste fermentation plants are increasingly using these wastes. A trend is the integration of a fermentation step in existing composting plants.

Copyright:	© Lehrstuhl für Abfallverwertungstechnik und Abfallwirtschaft der Montanuniversität Leoben
Quelle:	Depotech 2014 (November 2014)
Seiten:	1
Preis:	€ 0,00
Autor:	Prof. Dr. Michael Nelles Dr. Andrea Schüch
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