Abstract: The invention relates to a method for removing ammonia or reducing ammonium from biogas plant fermentation liquids or biogas plant fermentation residues, wherein ammonia or ammonium is reduced by way of flash evaporation, separated from the biogas plant fermentation liquids or biogas plant fermentation residues, and removed as ammonia. The invention further relates to a device for performing said method.
Type:
Grant
Filed:
February 25, 2011
Date of Patent:
July 21, 2015
Assignee:
BDI—BIOENERGY INTERNATIONAL GMBH
Inventors:
Roland Kirchmayr, Michael Harasek, Christian Maier, Reinhold Waltenberger