COMPOSITION BASED ON ZIRCONIUM OXIDE, YTTRIUM OXIDE AND TUNGSTEN OXIDE, METHOD OF PRODUCTION AND USE AS CATALYST OR CATALYST SUPPORT Russian patent published in 2012 - IPC C01G25/02 C01G41/02 C01F17/00 B01J21/06 B01J23/30 

Abstract RU 2440299 C1

FIELD: chemistry.

SUBSTANCE: composition contains 1-20% yttrium oxide, 1-30% tungsten oxide and zirconium oxide - the rest. The specific surface area of the composition is at least equal to 20 m2/g after calcination for 4 hours at 900°C.

EFFECT: high efficiency of the catalyst, obtaining catalysts with specific acidity and heat resistance.

13 cl, 1 tbl, 1 ex

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RU 2 440 299 C1

Authors

Ljarshe Oliv'E

Roar Ehmmanjuehl'

Verd'E Stefan

Krin'Er Gijom

Kharris Debora

Brehdshou Khiter

Dates

2012-01-20Published

2009-01-06Filed