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2 243 818

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IPC

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Application

2003109071/04, 2003-03-31

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Start date

2003-03-31

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Actual filing date

2003-03-31

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Published

2005-01-10

(72)

Inventor

Matveev K.I.Odjakov V.F.Zhizhina E.G.Balashov A.L.Fedotov A.V.

(73)

Holder

Institut Kataliza Im. G.K. Boreskova Sibirskogo Otdelenija Rossijskoj Akademii NaukObshchestvo S Ogranichennoj Otvetstvennost'Ju

CATALYST AND METHYL ETHYL KETONE PRODUCTION PROCESS Russian patent published in 2005 - IPC

Abstract RU 2243818 C1

FIELD: industrial organic synthesis.

SUBSTANCE: invention provides catalyst for production of methyl ethyl ketone via oxidation of n-butenes by oxygen and/or oxygen-containing gas, which catalyst is composed of aqueous solution of molybdeno-vanado-phosphoric heteropolyacid or mixture of the latter with its salt and 5·10^-4 to 1·10^-2 M palladium stabilized by phthalocyanine ligand at palladium-to-phthalocyanine molar ratio 0.5-2. Mo-V-phosphoric heteropolyacid is depicted by formula H₁₉P₃Mo₁₈V₇O₈₄. concentration of vanadium being 0.4 to 2.2 g-atom/L. Oxidation of n-butenes is carried out continuously in two steps at temperature 15 to 90^оС. Catalyst is regenerated in contact with oxygen or oxygen-containing gas at 140-190^оС and oxygen pressure 1-10 gauge atm.

EFFECT: enhanced process efficiency due to increased stability of catalyst components.

7 cl, 1 dwg, 6 tbl, 7 ex

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RU 2 243 818 C1

Authors

Matveev K.I.

Odjakov V.F.

Zhizhina E.G.

Balashov A.L.

Fedotov A.V.

Dates

2005-01-10—Published

2003-03-31—Filed