Patents Assigned to Steag Energy Services LLC
  • METHOD FOR TREATING SCR CATALYSTS HAVING ACCUMULATED IRON COMPOUNDS
    Publication number: 20120053046
    Abstract: The present disclosure relates to methods for treating deactivated SCR catalysts having an increased SO2/SO3 conversion rate as a result of the accumulation of one or more iron compounds. The methods are characterized in that the catalysts are treated with an aqueous solution of an acidic reactive salt or hydrogen fluoride, with the addition of at least one antioxidant.
    Type: Application
    Filed: November 3, 2011
    Publication date: March 1, 2012
    Applicant: Steag Energy Services LLC
    Inventors: Thies Hoffmann, Birgit Marrino