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2 016 846

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C1

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IPC

(21) (22)

Application

5003396/26, 1991-07-04

(22)

Actual filing date

1991-07-04

(45)

Published

1994-07-30

(72)

Inventor

Savin E.M.Pavlov M.L.Vidineev G.A.Kosolapova A.P.

(73)

Holder

Groznenskij Neftjanoj Nauchno-Issledovatel'Skij Institut

METHOD OF GRANULATED ZEOLITE FILLER PREPARING FOR SYNTHETIC DETERGENTS Russian patent published in 1994 - IPC

Abstract RU 2016846 C1

FIELD: chemical industry. SUBSTANCE: method involves the mixing of sodium silicate and aluminate solutions at the mole ratio SiO2:Al2O3= 2,0-2,5 . Aluminium-silicon hydrogel formed is crystallized to zeolite type A at 60-100 C for 0.4-6 h. Zeolite suspension in mother liquor is prepared with content, g/l: zeolite 100-250; NaOH 55-110, and SiO25-30. Suspension prepared is fed to the spraying drying in flue gas containing CO2. EFFECT: improved method of filler making. 1 tbl

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RU 2 016 846 C1

Authors

Savin E.M.

Pavlov M.L.

Vidineev G.A.

Kosolapova A.P.

Dates

1994-07-30—Published

1991-07-04—Filed

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