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2 160 228

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C1

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IPC

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Application

99109674/12, 1999-04-30

(24)

Start date

1999-04-30

(22)

Actual filing date

1999-04-30

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Published

2000-12-10

(72)

Inventor

Dzhemilev U.M.Pavlov M.L.Makhamatkhanov R.A.Kutepov B.I.

(73)

Holder

Institut Neftekhimii I Kataliza An Rb I Unts Ran

METHOD OF PRODUCTION OF ZEOLITE, TYPE MORDENITE Russian patent published in 2000 - IPC

Abstract RU 2160228 C1

FIELD: methods of production of synthetic zeolites, type mordenite for manufacture of catalysts and sorbents. SUBSTANCE: sodium silicate solution and sodium aluminate solution are mixed with finely-dispersed waste of crystallized silicon at size of particles of (0,05-0,20)•10-6m.. Aluminosilicate hydrogen thus obtained is crystallized at temperature of 120 to 160 C for 18 to 72 hours. Then, mother liquor is separated from zeolite, zeolite is scrubbed and dried. Zeolite thus obtain possesses 100-% crystallinity and molar ratio of silicon oxide to aluminum oxide ranges from 9.5 to 13.5. EFFECT: enhanced efficiency. 6 ex

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RU 2 160 228 C1

Authors

Dzhemilev U.M.

Pavlov M.L.

Makhamatkhanov R.A.

Kutepov B.I.

Dates

2000-12-10—Published

1999-04-30—Filed

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