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Characterization of an intensive rotting tunnel process by mass and water balances as well as the consumption of electricity

Investigating the rotting progress of a rebuilt and upgraded composting plant within the unit operations as well as performing a detailed water balance on both the batches and the entire plant are main focus points.

Furthermore, the operational consumption of electricity for the individual plant components was determined. Detailed mass and water balances associated with the degradation of organic matter were analyzed for five full batches. After 14 days of intensive static rotting, the organic component of the total solids was reduced from around 65 % to around 56 % in the raw compost. This corresponds to a degree of degradation of nearly 34 %. Two separate batches were analyzed to gather information on flow rates and runoff characteristics of leachate. Water introduced for re-moistening purposes was less well stored with increasing rotting times. The overall energy consumption was about 23 kWh/(Mg input).

Copyright:	© European Compost Network ECN e.V.
Quelle:	ORBIT 2003 (Mai 2003)
Seiten:	9
Preis:	€ 0,00
Autor:	Cand.-Ing. Mirko Wilms Dr.-Ing. Andreas Maile Dr.-Ing. Annette Ochs Prof. Dr.-Ing. Renatus Widmann
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