Dinitrogen formation over low-exchanged Cu-ZSM-5 in the selective reduction of NO by propane

The role of gaseous NO and C3H8 has been studied over low-exchanged Cu-ZSM-5 zeolite employing TPD, FTIR and pulse technique with the alternate introduction of NO or C3H8 onto the catalyst surface. The rate of the N2 formation is directly proportional to the content of gaseous NO and the surface coverage with 2-nitrosopropane. There was no formation of N2 during interaction of gaseous C3H8 with NO adsorbates. However, 2-nitrosopropane and its isomer acetone oxime were also formed in this reaction