Patents Assigned to Tropinon Enterprises Ltd.
  • Methods for reprocessing used catalysts
    Patent number: 9808795
    Abstract: The following invention relates to methods for reprocessing SCR catalysts. In a first embodiment, the invention relates to a method for reprocessing SCR catalysts, wherein an oxygen-containing compound of titanium and tungsten or molybdenum is removed from the catalyst and is then reacted with a vanadium compound. In a second embodiment, the invention relates to a method for removing titanium oxide and vanadium, molybdenum, and tungsten compounds from SCR catalysts and to a method for reusing these compounds in such catalysts.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: November 7, 2017
    Assignee: Tropinon Enterprises Ltd.
    Inventor: Martin Pley