Regenerative Energie
In the waste management centre Rhein-Lahn, located in Singhofen, is an MBT (composting process) and an organic-waste-treatment plant with a biological drying of the oversize grains for the energy recovery in external biomass powerplants. Both technologies run almost similar. At the current optimization of the process air situation, the main focus is on flexible adaptability with respect to future changes. The quantities of the residual- and organic waste could be changed in the future by waste management measures and modified regional partnerships.
Currently, experiments are made with the aim to investigate, whether a modification of the MBT from composting-process to a purely biological drying process of the mid-calorific fraction is possible and economically useful. First results show, that it is possible to use the existing technology of the MBT-facility to produce a material that fulfils the requirements for an alternative fuel in power plants. A prerequisite is, however, that there follows a mechanical seperation step after the drying process, for instance to reduce the high content of minerals in the material.
Through the reduction of the duration in the intensive rot phase, a tripling of the throughput is conceivable. The energy efficiency of the plants can be improved significantly. Furthermore, the biogenic content of the mid-calorific fraction could be used as a substitute for fossil fuels.
| Copyright: | © Lehrstuhl für Abfallverwertungstechnik und Abfallwirtschaft der Montanuniversität Leoben |
| Quelle: | Depotech 2012 (November 2012) |
| Seiten: | 4 |
| Preis: | € 2,00 |
| Autor: | Dipl.-Ing. Günter Müller Dipl.-Ing., Master of Arts Andreas Warnstedt |
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