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Optimisation of Intensive Rotting Processes

The optimisation of intensive rotting processes is carried out by specific active aeration and watering, interacting with each other, as well as by waste turning and moving respectively. The present lecture will introduce basic approaches of calculation for the control of intensive rotting processes which were acquired by the consulting engineers of gewitra mbH. These computing procedures are applied for different dimensioned intensive rotting processes, tunnel and container systems in particular. Likewise, they will be continuously developed based upon further operational experiences.

The mechanical-biological waste treatment (MBT) is divided into the mechanical processing and the subsequent biological treatment in the form of aerobic processes (intensive rotting, postmaturation) or anaerobic processes (fermentation). The main emphasis of the present article lies in the intensive rotting process of MBT plants, which is especially characterized by active aeration. The aeration has the function of introducing oxygen into the system on the one hand and on the other hand of removing excess heat from the system. Together with the heat also water is removed from the system with the exhaust air, so that an unintended biological drying of the waste material is caused and an aeration-dependant watering is necessary.

Copyright:	© Wasteconsult International
Quelle:	MBT 2007 (Mai 2007)
Seiten:	12
Preis:	€ 0,00
Autor:	Dipl.-Ing. Birte Mähl
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