On aluminum-chromium-potassium catalysts with various valence states of chromium: Cr6+, Cr3+, and Cr2+, in the temperature interval 20–453°, there is a physical adsorption of benzene and its chemical interaction with chromium ions.
The interaction of benzene with Cr6+ ions is observed at room temperatures, with Cr3+ at temperatures above 100°, and is accompanied by a change in the chemical composition of the surface.
The interaction of benzene with Cr2+ occurs at temperatures above 300° and does not change the chemical composition of the surface.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 253–256, February, 1968.
T. R. Brueva took part in measuring the isotherms at 250–400°, for which the authors would like to thank her.
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Slovetskaya, K.I., Rubinshtein, A.M. Adsorption of benzene on aluminum-chromium-potassium catalysts with various valence states of chromium. Russ Chem Bull 17, 250–252 (1968). https://doi.org/10.1007/BF00908421
- Temperature Interval
- Chemical Interaction
- Physical Adsorption