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2 326 154

(13)

(51)

IPC

C10G21/14(2006-01-01)

(21) (22)

Application

2006109606/04, 2006-03-28

(24)

Start date

2006-03-28

(22)

Actual filing date

2006-03-28

(45)

Published

2008-06-10

(72)

Inventor

Zotkin Viktor AndreevichNikitin Aleksandr Anatol'EvichVojdashevich Vladimir Vol'DemarovichFrolov Aleksej IvanovichRomanov Aleksandr Anatol'EvichZakharov Vasilij AleksandrovichEsipko Evgenij Alekseevich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF DEASPHALTING TAR Russian patent published in 2008 - IPC C10G21/14

Abstract RU 2326154 C2

FIELD: chemistry; oil refinery industry.

SUBSTANCE: tar is mixed with a light hydrocarbon solvent in a mixture. After mixing, the tar and the solvent are passed through homogeniser, consisting of a distributor plate with 7 to 11 openings each with diameter of 20-30 mm, and are then extracted in the extractor. Asphalt solutions and asphalt-free oil are obtained, with subsequent recovery of the solvent from the solutions and its return for mixing with tar.

EFFECT: increased asphalt-free oil output.

1 dwg, 2 ex

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RU 2 326 154 C2

Authors

Zotkin Viktor Andreevich

Nikitin Aleksandr Anatol'Evich

Vojdashevich Vladimir Vol'Demarovich

Frolov Aleksej Ivanovich

Romanov Aleksandr Anatol'Evich

Zakharov Vasilij Aleksandrovich

Esipko Evgenij Alekseevich

Dates

2008-06-10—Published

2006-03-28—Filed