Influence of metal coating methods on the activity of bimetal-containing zeolite catalysts of Co,Pd-ZSM-5 in carbon monoxide oxidation |
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Authors: | L P Oleksenko L V Lutsenko V K Yatsimirskii |
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Institution: | (1) Institute for Chemical and Bioengineering, ETH Zurich, Wolfgang-Pauli-Str. 10, 8093 Zurich, Switzerland;(2) Laboratory for Energy and Environment, Paul Scherrer Institute, WLGA/135, 5232 Villigen, Switzerland; |
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Abstract: | It has been established that catalytic activity in the CO oxidation of bimetal-containing zeolite Co,Pd-systems based on ZSM-5
and obtained via ion exchange and impregnation at different orders of the introduction of metal cations is higher than that
of monometal-containing systems Co-ZSM-5 and Pd—ZSM-5. Through TPD of NH3, it was determined that coordination-unsaturated bicationic associates are formed in Co,Pd/ZSM-5 zeolites obtained by ion
exchange. It was found that the activity of bimetal-containing systems depends on the relation of the active components. |
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