Patents Assigned to Herbst Umwelttechnik GmbH
  • Method and device for producing biogas
    Patent number: 11312932
    Abstract: The invention relates to a method and a biogas plant for producing biogas, preferably from rice straw, wherein a substrate is fermented in two reactors (1, 2) in a circulating manner, so that a methane production from cellulose-and/or lignocellulose-containing substrate can be improved.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: April 26, 2022
    Assignee: Herbst Umwelttechnik GmbH
    Inventors: Marcel Spahr, Leonhard Fechter