Patents by Inventor Wofgang Nehb

Wofgang Nehb 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).

  • Apparatus and method for operating the apparatus for continuously recovering sulfur from gas containing HS
    Patent number: 7776308
    Abstract: In an apparatus for continuously recovering sulfur from a gas stream containing 0.1 to 3.0 vol-% H2S, further gaseous sulfur compounds and sulfur, the gas stream first is passed over a reduction stage consisting of hydrogenation catalyst and then over a selective oxidation stage consisting of oxidation catalyst. To reduce the amount of apparatus involved, it is provided to arrange the reduction stage and the selective oxidation stage in a reaction tank and to leave a space for introducing a gaseous cooling medium into the gas stream between the two stages.
    Type: Grant
    Filed: March 18, 2006
    Date of Patent: August 17, 2010
    Assignee: LURGI GmbH
    Inventors: Walter Boll, Wofgang Nehb, Eckhard Jüngst