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1 774 553

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A1

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Application

4887311/04, 1990-09-26

(22)

Actual filing date

1990-09-26

(45)

Published

1995-09-10

(72)

Inventor

Aleksandrova I.L.Votlokhin Ju.Z.Zamanova L.P.Koval'Skaja L.V.Strygina L.R.Atmatdzhev V.E.Egorova G.I.Rzhevskaja N.A.Bakulin R.A.Levinter M.E.

METHOD OF PREPARING BEAD CATALYST FOR GASOLINE FRACTION REFINING Russian patent published in 1995 - IPC

Abstract SU 1774553 A1

FIELD: catalysts. SUBSTANCE: aqueous suspension zeolite of faujasite type at concentration 60-150 g/l is mixed with gel-forming solutions of sodium silicate, aluminium sulfate and zinc salt. Formed zeolite-containing sol is coagulated to hydrogel beads in the medium of mineral oil. Then ionic exchange is carried out with solutions of ammonium nitrate, zinc salt at the ratio of ZnO at forming ZnO at ionic exchange 1/1-3 with solution of rare-earth elements nitrate up to the content РЗЭ2O3- 2,0-3,5 2.0-3.5 wt.-% Beads were dried and calcined. EFFECT: improved method of catalyst preparing. 2 cl, 1 tbl

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SU 1 774 553 A1

Authors

Aleksandrova I.L.

Votlokhin Ju.Z.

Zamanova L.P.

Koval'Skaja L.V.

Strygina L.R.

Atmatdzhev V.E.

Egorova G.I.

Rzhevskaja N.A.

Bakulin R.A.

Levinter M.E.

Dates

1995-09-10—Published

1990-09-26—Filed

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