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2 032 707

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C1

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IPC

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Application

4863732/04, 1990-09-04

(22)

Actual filing date

1990-09-04

(45)

Published

1995-04-10

(72)

Inventor

Berezutskij V.M.Morozov V.A.Galeeva Z.Kh.Zdobnov V.N.Tkachev S.M.

(73)

Holder

Groznenskij Neftjanoj Nauchno-Issledovatel'Skij Institut

METHOD OF PREPARING LIQUID PARAFFINS FOR PRODUCING SYNTHETIC DETERGENTS AND PROTEIN-VITAMIN CONCENTRATES Russian patent published in 1995 - IPC

Abstract RU 2032707 C1

FIELD: producing detergents. SUBSTANCE: paraffin fraction which is isolated in stationary layer of zeolite is separated into fractions. Said fractions have initial boiling points (190-200 C), (190-200 C)-(225-260 C) and final boiling point (225-260 C). Then the second and third of mentioned above fractions or mixture of the first and the second fractions are purified separately. The process is carried out with the help of oleum. Thus treated mixture is separated into hydrocarbon phase and acid asphalt by settling. Hydrocarbon phase is treated by aqueous solution of alkali and then is separated. EFFECT: improves efficiency of the method. 5 tbl

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RU 2 032 707 C1

Authors

Berezutskij V.M.

Morozov V.A.

Galeeva Z.Kh.

Zdobnov V.N.

Tkachev S.M.

Dates

1995-04-10—Published

1990-09-04—Filed

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