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2 069 689

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C1

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IPC

(21) (22)

Application

94008305/04, 1994-03-11

(22)

Actual filing date

1994-03-11

(45)

Published

1996-11-27

(72)

Inventor

Avtonomova E.N.Mikheev I.I.

(73)

Holder

Tverskoj Politekhnicheskij InstitutAvtonomova Elena Nikolaevna

METHOD OF PROCESSING WORKED OUT WATER-EMULSION LUBRICATING-COOLING LIQUIDS Russian patent published in 1996 - IPC

Abstract RU 2069689 C1

FIELD: lubricants. SUBSTANCE: worked out liquid is alkalized to pH 9-9.5 and evaporated at pressure 0.05-0.08 atm and temperature 50-60 C, followed by separation of oil fraction from condensed clarified water fraction. EFFECT: recovered properties of processed liquid. 1 dwg

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RU 2 069 689 C1

Authors

Avtonomova E.N.

Mikheev I.I.

Dates

1996-11-27—Published

1994-03-11—Filed

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