Thermische Oszillationen und chaotisches Verhalten bei der Oxidation von Kohlenmonoxid an Pd-Kristalliten im Inneren einer Zeolithmatrix / Thermal Oscillations and Chaotic Behaviour at the Oxidation of CO on Pd Crystallites within a Zeolite Matrix

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Abstract
The oxidation of CO on a Pd supported catalyst was investigated in a differential reactor. The catalyst consisted of a homogeneous distribution of Pd crystallites (∅ =8 - 10 nm) within a zeolite matrix (Faujasite type X). Depending on the temperature of the reactor and the CO con-centration in the feed gas bistable, periodic and chaotic behaviour of the temperature of the catalyst bed could be observed.