Patents by Inventor Knut Sanden

Knut Sanden 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).

  • COabsorption method
    Patent number: 8361425
    Abstract: A method for removing CO2 in a exhaust gas from combustion of carbonaceous material, in which method the exhaust gas is brought in countercurrent flow with a liquid CO2 absorbent in a contact section of an absorption column, to produce a CO2 depleted exhaust gas that is released into the atmosphere and a CO2 rich absorbent that is withdrawn from the absorption column, wherein the exhaust gas is introduced into the absorption column at a temperature above about 90 and the exhaust gas is cooled in the absorption column by countercurrent flow of the liquid absorbent in the absorption column, is described.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: January 29, 2013
    Assignee: Aker Clean Carbon AS
    Inventors: Randi Lund, Knut Sanden, Anne-Helene Haaland, Trygve Andreas Rikheim, Simon Woodhouse
  • METHOD FOR REGENERATION OF ABSORBENT
    Publication number: 20110088553
    Abstract: A method for regeneration of a rich absorbent having absorbed CO2, to give a regenerated, or lean absorbent, and CO2, is described. The rich absorbent is brought in countercurrent flow with steam at least partly generated by heating lean absorbent in a reboiler at the base of the regeneration column, where released CO2 and steam are withdrawn from the top of the column. Lean, or re-generated absorbent is withdrawn from the base of the column, and is flashed over a flash valve and separated in a flash tank into a gas phase, that is compressed and returned into the regenerator column, and a liquid phase mainly comprising lean absorbent that is cooled by heat exchanging against incoming rich absorbent, wherein the gas phase and/or the lean absorbent is/are heat exchanged against a low temperature heat medium after leaving the flash valve.
    Type: Application
    Filed: September 15, 2008
    Publication date: April 21, 2011
    Inventors: Simon Woodhouse, Pai Rushfeldt, Knut Sanden, Anne-Helene Haaland
  • CO2 ABSORPTION METHOD
    Publication number: 20100061904
    Abstract: A method for removing CO2 in a exhaust gas from combustion of carbonaceous material, in which method the exhaust gas is brought in countercurrent flow with a liquid CO2 absorbent in a contact section of an absorption column, to produce a CO2 depleted exhaust gas that is released into the atmosphere and a CO2 rich absorbent that is withdrawn from the absorption column, wherein the exhaust gas is introduced into the absorption column at a temperature above about 90 and the exhaust gas is cooled in the absorption column by countercurrent flow of the liquid absorbent in the absorption column, is described.
    Type: Application
    Filed: March 3, 2008
    Publication date: March 11, 2010
    Inventors: Randi Lund, Knut Sanden, Anne-Helene Haaland, Trygve Andreas Rikheim, Simon Woodhouse