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Application

5007596/04, 1991-11-04

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Actual filing date

1991-11-04

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Published

1994-02-15

(72)

Inventor

Kozenko V.P.Makhotkin A.F.Zhiljakov V.V.Gazizov M.S.Ivanov G.A.Kirillov N.S.Lazarev V.V.

(73)

Holder

Kazanskij Inzhenernyj Tsentr

METHOD OF CATALYTIC EXHAUST GASES PURIFICATION IN PHTHALIC ANHYDRIDE PRODUCTION Russian patent published in 1994 - IPC

Abstract RU 2007400 C1

FIELD: chemical technology. SUBSTANCE: product - exhaust gas, purification degree is 95-98% . Reagent 1: gas containing impurities. Reagent 2: catalyst containing, % by weight: chrome (III) oxide 38,0-55,0; ferric (III) oxide 21,5-30,0; zinc (II) oxide 20-30; cobalt (III) oxide 0,1-0,5; silicon (IV) oxide 0,4-1,5. Process condition: at 380-400 C. EFFECT: improved method of purification.

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RU 2 007 400 C1

Authors

Kozenko V.P.

Makhotkin A.F.

Zhiljakov V.V.

Gazizov M.S.

Ivanov G.A.

Kirillov N.S.

Lazarev V.V.

Dates

1994-02-15—Published

1991-11-04—Filed

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