Conclusions
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1.
Chromic oxide and chromoalumina catalyst can be deactivated by heating to the chromic oxide Tamm temperature.
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2.
The protective action of aluminum oxide with respect to the supported chromic oxide falls off sharply on calcining at the aluminum oxide Tamm temperature.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 549–551, March, 1978.
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Minachev, K.M., Khodakov, Y.S., Antoshin, G.V. et al. Thermal activation and deactivation of chromoalumina catalysts. Russ Chem Bull 27, 472–474 (1978). https://doi.org/10.1007/BF00923918
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DOI: https://doi.org/10.1007/BF00923918