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2 088 628

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Application

94007073/25, 1994-03-01

(22)

Actual filing date

1994-03-01

(45)

Published

1997-08-27

(72)

Inventor

Dijashev R.N.Sattarova F.M.Zajtsev V.I.Antonov G.P.Dijashev I.R.Akmalov I.M.

(73)

Holder

Tatarskij Gosudarstvennyj Nauchno-Issledovatel'Skij I Proektnyj Institut Neftjanoj Promyshlennosti

METHOD OF GROUND TREATMENT FROM THE OIL POLLUTIONS Russian patent published in 1997 - IPC

Abstract RU 2088628 C1

FIELD: oil production, ecology. SUBSTANCE: method is based on the use of selective solvent (concentrated sulfuric acid) after thermic treatment of ground that promotes radioactive components dissolving (radium sulfates and its isotopes). Treatment with concentrated sulfuric acid is carried out at 80-85 C for 3-4 h under circulation condition. EFFECT: improved method of treatment, broadened capability of method. 1 dwg, 1 tbl

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RU 2 088 628 C1

Authors

Dijashev R.N.

Sattarova F.M.

Zajtsev V.I.

Antonov G.P.

Dijashev I.R.

Akmalov I.M.

Dates

1997-08-27—Published

1994-03-01—Filed

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