Patents by Inventor Albert Riepert

Albert Riepert 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 operating a coal-fired power plant
    Patent number: 5517930
    Abstract: A method for operating a coal-fired power plant with a dry-firing furnace includes the steps of supplying coal as a fuel and adding a Ca-containing substance to the coal. The amount of Ca-containing substance is adjusted such that such that after addition of a CaO contents of at least 0.3% is obtained. The coal with the added Ca-containing substance is burned in the dry-firing furnace whereby a flue gas is produced. The flue gas is guided through a NO.sub.x removal device, an air preheater, a particle separator, and a desulfurization device.
    Type: Grant
    Filed: March 3, 1994
    Date of Patent: May 21, 1996
    Assignee: STEAG Aktiengesellschaft
    Inventors: Hermann Farwick, Albert Riepert