FIELD: dehydrogenation catalysts. SUBSTANCE: catalyst contains, wt %: chromium oxide 10-30, alkali metal (preferably potassium) oxide 0.5-2.5, silicon dioxide 0.5-2.0, boron oxide 0.1-1.5, and alumina - the balance. EFFECT: increased activity and selectivity with reduced coke formation. 1 tbl, 6 ex
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|
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Authors
Dates
2000-12-20—Published
1999-08-04—Filed