Patents Assigned to BDI—BIOENERGY INTERNATIONAL GMBH
  • Separation method
    Patent number: 9085470
    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