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(19)

SU

(11)

1 833 631

(13)

A3

(51)

IPC

(21) (22)

Application

4708524/13, 1989-06-20

(22)

Actual filing date

1989-06-20

(45)

Published

1995-04-30

(72)

Inventor

Derevenko V.V.Koshevoj E.P.Krasnoborod'Ko V.I.

(73)

Holder

Krasnodarskij Politekhnicheskij Institut

VERTICAL AUGER-TYPE COUNTER-CURRENT EXTRACTOR Russian patent published in 1995 - IPC

Abstract SU 1833631 A3

FIELD: oil extraction process. SUBSTANCE: augers mounted on shaft of loading tube and loading column are spaced one from the other and additional radial partition is fastened in this space. Secured on shaft under lower section of auger is additional retaining strip. Thus a zone of active interaction contact between material under treatment and solvent is created in loading column. EFFECT: increased yield of oil and improved reliability of operation. 2 dwg

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SU 1 833 631 A3

Authors

Derevenko V.V.

Koshevoj E.P.

Krasnoborod'Ko V.I.

Dates

1995-04-30—Published

1989-06-20—Filed

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