Patents by Inventor Ludwig Raible

Ludwig Raible 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 of removing SO.sub.x and NO.sub.x from effluent gas
    Patent number: 4839148
    Abstract: For the removal of SO.sub.x and NO.sub.x from effluent gas, the gas, before being passed through a Selective Catalytic Reduction catalyst bed for reduction of at least a part of the nitrogen oxides in the gas, is subjected to at least substantially complete desulfurization in a coke bed. The desulfurized and denoxed gas can also be passed through a coke bed in which the ammonia which has not reacted in the SCR-catalyst bed is removed from the gas.
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: June 13, 1989
    Assignee: Rheinische Braunkohlenwerke A.G.
    Inventors: Gunter Ritter, Peter Asmuth, Ludwig Raible