METHOD FOR PREPARING A NICKEL-CHROMIUM CATALYST FOR THE HYDROGENATION OF ORGANIC COMPOUNDS CONTAINING A CARBONYL GROUP Russian patent published in 2023 - IPC B01J37/04 B01J23/26 B01J23/755 B01J23/86 B01J23/883 

Abstract RU 2804486 C1

FIELD: chemical industry.

SUBSTANCE: method for producing a nickel-chromium catalyst for the hydrogenation of organic compounds containing a carbonyl group consists in mixing hex-aqueous nickel (II) nitrate with a chromium compound, obtaining their oxides, tableting, reducing at 470°C, in a stream of hydrogen, according to the invention, 6-7 g of ammonium dichromate, 10-14 g of ammonium nitrate, 6-8 g of powdered sugar, 8-14 g of hex-aqueous nickel (II) nitrate are mixed to a pasty state, tableted, ignited, carry out reduction in a stream of hydrogen with a hydrogen supply rate of 1700-1800 h-1 for 55-60 min.

EFFECT: reducing the number of stages, reducing the amount of wash water consumption, reducing the rate and time of hydrogen supply (i.e., saving it), and increasing the activity of the catalyst.

1 cl, 2 dwg, 2 tbl, 7 ex

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RU 2 804 486 C1

Authors

Osadchaia Tatiana Iurevna

Afineevskii Andrei Vladimirovich

Meledin Artem Iurevich

Prozorov Dmitrii Alekseevich

Nikitin Kirill Andreevich

Smirnov Dmitrii Vladimirovich

Dates

2023-10-02Published

2023-02-17Filed