Potential of Development of Mechanical-Biological Waste Treatment Plants in Germany

In Germany there are currently operating 46 MBT-plants, with a capacity of about 6 million tons. Nearly 25 % of the incoming municipal waste are treated bio-mechanically. The realized varying operation concepts are difficult to compare. According to the background of the German regulatory framework of the AbfAblV (waste storage ordinance) and the 30. BImSchV (immission ordinance) two extreme variations can be generally divided. The aim of the end-rotting process is to create as much waste material as possible and the ideal dry-stabilisation-alternatives have the aim to recycle all emerging solid residue materials energetically and substantially. Beyond that there are currently 20 up to 30 plants in Germany, operating a capacity of 2 up to 3 million tons yearly, which handle the delivered waste by mechanical-physical treatment (MT-plants) to produce Solid Recovered Fuels (SRF). These can be used energetically in coal-fired power plants, in the cement-industry or more and more often in especially constructed industrial waste combustion-plants (SRF power plants).

Most of the currently operating plants with MBT-technology were planned in the years 2001 until 2005 and were constructed under a high pressure of time. Since the middle of 2005 the MBT-plants have to stand the test at the market and comply durable and securely with the high requirements of the German AbfAblV and the 30. BImSchV in the operational practice. According to this background the plants with MBT-technology have been continuously optimised, to cure the teething troubles and to fit on the operation concepts to the permanently changing frameworks on the waste market. Meanwhile the plants with MBT-technology have gained a high procedural standard and emerged into an important pillar in the waste industry.

 

 

Europäische Rechtsvorgaben und Auswirkungen auf die Bioabfallwirtschaft in Deutschland
© Witzenhausen-Institut für Abfall, Umwelt und Energie GmbH (11/2025)
Bioabfälle machen 34 % der Siedlungsabfälle aus und bilden damit die größte Abfallfraktion im Siedlungsabfall in der EU. Rund 40 Millionen Tonnen Bioabfälle werden jährlich in der EU getrennt gesammelt und in ca. 4.500 Kompostierungs- und Vergärungsanlagen behandelt.

Vom Gärrest zum hochwertigen Gärprodukt - eine Einführung
© Witzenhausen-Institut für Abfall, Umwelt und Energie GmbH (11/2025)
Auch mittel- bis langfristig steht zu erwarten, dass die Kaskade aus anaerober und aerober Behandlung Standard für die Biogutbehandlung sein wird.

Die Mischung macht‘s - Der Gärrestmischer in der Praxis
© Witzenhausen-Institut für Abfall, Umwelt und Energie GmbH (11/2025)
Zur Nachbehandlung von Gärrest aus Bio- und Restabfall entwickelte Eggersmann den Gärrestmischer, der aus Gärresten und Zuschlagstoffen homogene, gut belüftbare Mischungen erzeugt. Damit wird den besonderen Anforderungen der Gärreste mit hohem Wassergehalt begegnet und eine effiziente Kompostierung ermöglicht.

 

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