Dear Robin Jones, also with a high nitrogen load of 5000mg/l and more a safe AD process operation is possible.
What kind of technology is foreseen ? Regards Michael Köttner --- ________________________________ Fördergesellschaft nachhaltige Biogas und Bioenergienutzung (FnBB) e.V. German Biogas and Bioenergy Society (GERBIO) Am Feuersee 8 74592 Kirchberg/Jagst Germany Fon: +49 (0)7954 921969 Fax: +49 (0)7954 926132 www.fnbb.org www.gerbio.org Vorstandsvorsitzender/Chairman: Dipl. Agr.biol. Michael Köttner Stellvertretender Vorsitzender/Vice-Chairman: Dipl.Ing. Heinz-Peter Mang Registergericht: Amtsgericht Langenburg Registernummer: VR224 Steuernummer: 57075/04800 Am Montag, 30. April 2012, 13:04:17 schrieb Jones, Robin (TWP): > We are in the feasibility stage for a 3MWe power generation plant using a > bio digester (Continuous Flow) located adjacent to cattle feedlots.. The > available feeds are tallow, cattle and chicken manure. The mass balance > indicates a very high nitrogen content in the effluent (±5000mg/ltr). The > effluent's rate of discharge is also significant posing a very real > environmental concern. Has anyone had previous experience with similar > effluents and if so what was the strategy to mitigate environmental risk > without adding significant CAPEX, OPEX and parasitic loads. > > Considering the concentration of Nitrogen, we understand that this is not > really a viable option for raw fertiliser (i.e. direct irrigation onto > crops). It is understood that this would need to be concentrated up to > reduce the volume prior to transporting to a fertiliser production > facility approximately 80km away. > > Any comments related to this would be much appreciated. _______________________________________________ Digestion mailing list to Send a Message to the list, use the email address [email protected] to UNSUBSCRIBE or Change your List Settings use the web page http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.org for more information about digestion, see Beginner's Guide to Biogas http://www.adelaide.edu.au/biogas/ and the Biogas Wiki http://biogas.wikispaces.com/
