Patents Assigned to Henning Hjuler
  • Method for removing nitrogen from an aqueous solution
    Patent number: 5286385
    Abstract: A method of removing nitrogen from an aqueous solution by simultaneous microbial nitrification and dentrification comprising treating the aqueous solution in one or more fixed bed reactors containing a porous carrier material having nitrifying and denitrifying microorganisms fixed thereto, and using an ammonium selective ion exchanger as carrier material.
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: February 15, 1994
    Assignees: Svend Erik Jorgensen, Bent Halling-Sorensen, Henning Hjuler
    Inventors: Svend E. Jorgensen, Bent Halling-Sorensen, Henning Hjuler, Karsten Poulsen