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2 035 223

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Application

92010733/04, 1992-12-07

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Actual filing date

1992-12-07

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Published

1995-05-20

(72)

Inventor

Gellerman M.M.Aliev R.R.Turovskaja L.V.Osokina N.A.Bannov P.G.Varshavskij O.M.Ferkel' E.V.Vjazkov V.A.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Po Pererabotke Nefti

METHOD FOR REACTIVATION OF USED CATALYST FOR HYDRAULIC TREATMENT OF OIL FRACTION Russian patent published in 1995 - IPC

Abstract RU 2035223 C1

FIELD: oil-producing industry. SUBSTANCE: used catalyst is burnt in rotary drum furnace in presence of 10-15% of water vapor at 500-600 C for 0.5-2.0 h followed by treating it with nitric or acetic acid at pH 2.5-5.0. EFFECT: higher efficiency. 1 tbl

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RU 2 035 223 C1

Authors

Gellerman M.M.

Aliev R.R.

Turovskaja L.V.

Osokina N.A.

Bannov P.G.

Varshavskij O.M.

Ferkel' E.V.

Vjazkov V.A.

Dates

1995-05-20—Published

1992-12-07—Filed

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