1
Meinhard Schwefer, Michael Groves, Rolf Siefert, Rainer Maurer: O of gases, and N, Method and device for reducing the NO. Unde, Connolly Bove Lodge & Hutz, December 9, 2008: US07462340 (6 worldwide citation)

The disclosure involves a method for reducing the content of NOx and N2O in gases. The method includes the conduction of a gas containing N2O and NOX over a series of two catalyst beds containing of one or more zeolites charged with iron followed by the: addition of a reduction agent for NOX between ...


2
Schwefer Meinhard, Groves Michael, Siefert Rolf, Maurer Rainer: Method and device for reducing the no sb x /sb and n sb 2 /sb o of gases. Uhde, March 23, 2005: EP1515791-A1

The method comprises the following steps: conduction of the gas containing N2O and NOx over a series of two catalyst beds consisting of one or more zeolites charged with iron; addition of a reduction agent for NOx between the catalyst beds; setting of a temperature of less than 500 DEG C in the firs ...