FIELD: chemistry.
SUBSTANCE: described is a catalyst additive for oxidising carbon monoxide when regenerating cracking catalysts, which contains a manganese compound, aluminium oxide, natural bentonite clay and amorphous aluminosilicate, with the following content of components, wt %: manganese in terms of MnO2 10-15, bentonite clay 20-30, amorphous aluminosilicate 16-25, Al2O3 - the balance, having spherical particles with average diameter of 70-85 mcm, wear-resistance of not less than 96% and packed density of 0.68-0.76 g/cm3. Described is a method of preparing said catalyst additive.
EFFECT: high activity of oxidising CO.
2 cl, 5 ex
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Authors
Dates
2014-04-20—Published
2013-01-09—Filed