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2 061 670

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IPC

(21) (22)

Application

93018897/04, 1993-04-12

(22)

Actual filing date

1993-04-12

(45)

Published

1996-06-10

(72)

Inventor

Zanaveskin L.N.Bulanov V.N.Rumjantseva N.G.Bobkov A.O.Fomin V.A.Grishin V.A.

(73)

Holder

Nauchno-Issledovatel'Skij Institut S Konstruktorskim BjuroZal'Tsgitter Anlagenbau

PROCESS FOR PURIFYING MONOCHLOROACETIC ACID Russian patent published in 1996 - IPC

Abstract RU 2061670 C1

FIELD: chemical industry. SUBSTANCE: product: monochloroacetic acid C₂H₃O₂Cl. Content or acetic acid is 0.22-0.56 %. Reagent 1: monochloroacetic acid. Reagent 2: hydrogen. Reaction conditions: in the presence of palladium-on- carbon catalyst in fixed catalyst bed under film conditions with raw acid feed rate of 4,9,10-1.24 m/s. EFFECT: more efficient purification. 1 dwg, 1 tbl

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RU 2 061 670 C1

Authors

Zanaveskin L.N.

Bulanov V.N.

Rumjantseva N.G.

Bobkov A.O.

Fomin V.A.

Grishin V.A.

Dates

1996-06-10—Published

1993-04-12—Filed