Patents by Inventor Anders Johan Norberg

Anders Johan Norberg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for extracting ammonium salt and methanol from a liquid obtained from foul condensates in a cellulose pulp mill
    Patent number: 8440159
    Abstract: Desirable chemicals are recovered from a raw material that is formed in substantial amounts during the production of cellulose pulp from renewable lingo-cellulose material. An ammonia/ammonium-containing methanol/water mixture is acidified with an acid that has the ability of forming ammonium salt with the ammonium. The mixture is circulated and passed through an apparatus that has an indirect heat exchanger combined with an storage volume fitted with a gas collection device.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: May 14, 2013
    Assignee: Metso Power AB
    Inventors: Jorg Brucher, Anders Johan Norberg
  • METHOD FOR EXTRACTING AMMONIUM SALT AND METHANOL FROM A LIQUID OBTAINED FROM FOUL CONDENSATES IN A CELLULOSE PULP MILL
    Publication number: 20100316553
    Abstract: Desirable chemicals are recovered from a raw material that is formed in substantial amounts during the production of cellulose pulp from renewable lingo-cellulose material. An ammonia/ammonium-containing methanol/water mixture is acidified with an acid that has the ability of forming ammonium salt with the ammonium. The mixture is circulated and passed through an apparatus that has an indirect heat exchanger combined with an storage volume fitted with a gas collection device.
    Type: Application
    Filed: November 26, 2008
    Publication date: December 16, 2010
    Inventors: Jorg Brucher, Anders Johan Norberg