ISSN:
0001-1541
Schlagwort(e):
Chemistry
;
Chemical Engineering
Quelle:
Wiley InterScience Backfile Collection 1832-2000
Thema:
Chemie und Pharmazie
,
Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
Notizen:
The theory of perturbation chromatography and isotopic tracers has been applied to the investigation of the oxygen exchange reaction between carbon monoxide and carbon dioxide in the presence of a copper-zinc oxide catalyst at 205°C and atmospheric pressure. By analyzing the retention times of carbon-14 monoxide and carbon-14 dioxide tracers in six binary carbon monoxide/carbon dioxide carrier gas streams, it has been possible to shed light on the mechanism of the exchange reaction. Two types of carbon monoxide adsorption and two types of carbon dioxide adsorption were identified. Based on a numerical simulation of the experimental data, it has been concluded that the exchange reaction proceeds via the dissociative adsorption of carbon dioxide. Furthermore, the surface oxygen species formed during the dissociative adsorption of carbon dioxide appears to be the active site for the exchange reaction.
Zusätzliches Material:
12 Ill.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1002/aic.690200418
Permalink
