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2 254 917

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IPC

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Application

2004107977/04, 2004-03-18

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Start date

2004-03-18

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Actual filing date

2004-03-18

(45)

Published

2005-06-27

(72)

Inventor

Ashikhmin G.P.Makarov G.M.Mitrofanov A.I.Ginijatullin N.G.Elizarov V.I.Gil'Mutdinov N.R.Mitrofanov V.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

ISOAMYLENES DEHYDRATION CATALYST Russian patent published in 2005 - IPC

Abstract RU 2254917 C1

FIELD: hydrogenation-dehydrogenation catalysts.

SUBSTANCE: invention relates to catalysts used in isoamylenes-into-isoprene dehydrogenation process and contains, wt %: iron oxide 62-75.4, potassium carbonate 12-21.5, chromium oxide 1-3, potassium hydroxide 0.5-2.5, sulfur 0.1-2.0, ammonium nitrate 0.1-2.0, silicon dioxide 1-5, calcium carbonate 1-5, and cerium nitrate 1-3.

EFFECT: increased mechanical strength, resistance to saturated steam and moisture, and stability during long-time operation.

3 ex

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RU 2 254 917 C1

Authors

Ashikhmin G.P.

Makarov G.M.

Mitrofanov A.I.

Ginijatullin N.G.

Elizarov V.I.

Gil'Mutdinov N.R.

Mitrofanov V.A.

Dates

2005-06-27—Published

2004-03-18—Filed