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2 067 497

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IPC

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Application

94001149/04, 1994-01-06

(22)

Actual filing date

1994-01-06

(45)

Published

1996-10-10

(72)

Inventor

Vorob'Ev B.L.Kharchenko A.A.Koshelev Ju.N.Skotnikov A.S.Komarov I.V.

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju Nauchno-Proizvodstvennoe Ob"Edinenie

METHOD OF PREPARING ZEOLITE-CONTAINING CATALYST FOR HYDROCARBON AROMATIZATION Russian patent published in 1996 - IPC

Abstract RU 2067497 C1

FIELD: chemical technology, catalysts. SUBSTANCE: method involves preparing zeolite ZSm-5 at mole ratio SiO2/Al2O3 at least 80:1, alumosol by metallic aluminium dissolving in mineral acid followed by neutralization of the first stage sol with weak base, treatment with strong mineral acid and sol evaporation at the second stage, mixing alumosol with zeolite, direct addition of gallium compound to the formed suspension, suspension dispersing in ammonia aqueous solution, thermic working spherical granules and drying. EFFECT: improved method of catalyst making. 6 cl, 1 tbl

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RU 2 067 497 C1

Authors

Vorob'Ev B.L.

Kharchenko A.A.

Koshelev Ju.N.

Skotnikov A.S.

Komarov I.V.

Dates

1996-10-10—Published

1994-01-06—Filed

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