COPPER-ZINC CATALYST FOR LOW-TEMPERATURE CONVERSION OF CARBON MONOXIDE WITH STEAM Russian patent published in 2015 - IPC B01J23/80 B01J37/04 B01J21/12 C01B3/16 

Abstract RU 2554949 C1

FIELD: chemistry.

SUBSTANCE: disclosed is a copper-zinc catalyst, which includes copper, zinc and aluminium oxides and an additional silicon compound. The catalyst contains 0.5-5.0 wt % of a silicon compound, with respect to the oxide, which is mixed with copper and zinc oxides. The catalyst is formed via heat treatment of aluminium hydroxide together with compounds of said components and has a porous structure with total specific pore volume of not less than 0.25 cm3/g and content of mesopores with a diameter of 10-40 nm higher than 60%, and the catalyst has the following composition, with respect to oxides, wt %: CuO - 40.0-55.0; ZnO - 24.0-35.0; SiO2 - 0.5-5.0; AlO3 - the balance.

EFFECT: forming a copper-zinc catalyst having high strength and thermal stability.

5 cl, 3 tbl, 8 ex

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RU 2 554 949 C1

Authors

Elokhina Nina Vasil'Evna

Bobrina Tat'Jana Fedorovna

Dates

2015-07-10Published

2014-04-02Filed