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2 098 181

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IPC

(21) (22)

Application

96108047/04, 1996-04-23

(22)

Actual filing date

1996-04-23

(45)

Published

1997-12-10

(72)

Inventor

Levin O.V.Vjazkov V.A.Aliev R.R.Osokina N.A.Mejling A.D.Kurganov V.M.Papusha L.V.Kulikov A.A.

(73)

Holder

Zavod Po Proizvodstvu Katalizatorov Aktsionernogo Obshchestva

METHOD OF PREPARING CATALYST FOR HYDROFINING OF PETROLEUM FRACTIONS Russian patent published in 1997 - IPC

Abstract RU 2098181 C1

FIELD: catalysts in petroleum processing. SUBSTANCE: aluminum hydroxide containing 20-30% solids is mixed with boric and phosphoric acid solutions at pH 2.0-3.5. Suspension obtained is stirred at 50-70 C for 5-10 min, after which ammonium paramolybdate and nickel nitrate are successively added and mixture is dried at 110-150 C and calcined at 500-550 C. EFFECT: increased catalyst activity. 1 tbl

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RU 2 098 181 C1

Authors

Levin O.V.

Vjazkov V.A.

Aliev R.R.

Osokina N.A.

Mejling A.D.

Kurganov V.M.

Papusha L.V.

Kulikov A.A.

Dates

1997-12-10—Published

1996-04-23—Filed