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2 134 711

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IPC

(21) (22)

Application

98104732/04, 1998-03-12

(24)

Start date

1998-03-12

(22)

Actual filing date

1998-03-12

(45)

Published

1999-08-20

(72)

Inventor

Min R.S.Kuz'Menko I.S.

(73)

Holder

Institut Khimii Nefti So Ran

METHOD OF ISOLATION OF ORGANOSULFUR COMPOUNDS FROM CRUDE OILS AND PETROLEUM PRODUCTS Russian patent published in 1999 - IPC

Abstract RU 2134711 C1

FIELD: petroleum processing. SUBSTANCE: method involves liquid-adsorption chromatography on metal chloride impregnated silica gel. Organosulfur compounds are successively eluted with hexane, benzene, chloroform, and ethanol. Novelty consists in that silica gel is impregnated with nickel chloride in amounts of 1 to 7% and process is carried out at sorbent-to-oil stock ratio 20:1. EFFECT: increased degree of isolation of organosulfur compounds and increased concentration of sulfide compounds. 2 tbl, 17 ex

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RU 2 134 711 C1

Authors

Min R.S.

Kuz'Menko I.S.

Dates

1999-08-20—Published

1998-03-12—Filed

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