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- Title
Pretreatment effect on the properties of the Cr-Mg catalyst for the gas-phase hydrofluorination of perchloroethylene into pentafluoroethane.
- Authors
Petrov, R.; Zirka, A.; Reshetnikov, S.
- Abstract
The effect of the temperature of thermal pretreatment of the precursors of the Cr-Mg catalyst on its physicochemical properties (specific surface area and elemental composition) and catalytic properties has been experimentally investigated. The dehydration of the precursor takes place up to a temperature of ~500°С, making it possible to tune the catalyst composition by varying the heat-treatment temperature. The samples prepared from precursors with various compositions differ in their specific surface area and catalytic activity. The highest activity is shown by the catalyst prepared by heat treatment of the precursor at 330°С.
- Subjects
CHROMIUM catalysts; GAS phase reactions; FLUORINATION; TETRACHLOROETHYLENE; TEMPERATURE effect
- Publication
Kinetics & Catalysis, 2017, Vol 58, Issue 4, p392
- ISSN
0023-1584
- Publication type
Article
- DOI
10.1134/S0023158417040164