Wasteconsult international
Percolate anaerobic digestion plant as component of MBT Erfurt Ost
Dr.-Ing. Hagen Hilse, Dipl.-Ing. Sebastian Otto, Dipl.-Ing. Marco Schmidt, Dipl.-Ing. Thomas Bertram
The GICONÂź Process, a two-phase, two-stage high solids anaerobic digestion process, has proven highly suitable for the processing of structurally-complex and often impurityladen feedstocks such as organic wastes of municipal or commercial origin for the Generation of biogas. Recently, this process was integrated into an existing mechanical and biological waste treatment facility in Erfurt, Germany, by modifying intensive composting boxes to produce percolate for fermentation in a GICONÂź Process fixed-bed methane digester. The application of the GICON Process enabled the exploitation of an energy source (the organic fraction of the feedstock) and the reduction of the residence time for the material in the composting boxes. GICONâs experiences with the development and realization of this project, as well as observations on the performance of the plant will be discussed.