RU2002109490A - The method of separation of C4 hydrocarbon fractions - Google Patents

The method of separation of C4 hydrocarbon fractions

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Publication number
RU2002109490A
RU2002109490A RU2002109490/04A RU2002109490A RU2002109490A RU 2002109490 A RU2002109490 A RU 2002109490A RU 2002109490/04 A RU2002109490/04 A RU 2002109490/04A RU 2002109490 A RU2002109490 A RU 2002109490A RU 2002109490 A RU2002109490 A RU 2002109490A
Authority
RU
Russia
Prior art keywords
separation
hydrocarbon fractions
aliphatic alcohols
water
extractant containing
Prior art date
Application number
RU2002109490/04A
Other languages
Russian (ru)
Other versions
RU2213721C1 (en
Inventor
Наталь Павловна Борейко
Наталья Павловна Борейко
Валентина Петровна Яфизова
Владимир Васильевич Репин
В чеслав Геннадьевич Романов
Вячеслав Геннадьевич Романов
Геннадий Сергеевич Гаврилов
Original Assignee
Открытое акционерное общество "Нижнекамскнефтехим"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Открытое акционерное общество "Нижнекамскнефтехим" filed Critical Открытое акционерное общество "Нижнекамскнефтехим"
Priority to RU2002109490A priority Critical patent/RU2213721C1/en
Application granted granted Critical
Publication of RU2213721C1 publication Critical patent/RU2213721C1/en
Publication of RU2002109490A publication Critical patent/RU2002109490A/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (2)

1. Способ разделения С4-углеводородных фракций ректификацией в присутствии экстрагента, содержащего ацетонитрил, воду и C1-C4 алифатические спирты, отличающийся тем, что используют экстрагент, содержащий до 30 мас.% C1-C4 алифатических спиртов и 2-10 мас.% воды.1. The method of separation of C 4 -hydrocarbon fractions by distillation in the presence of an extractant containing acetonitrile, water and C 1 -C 4 aliphatic alcohols, characterized in that they use an extractant containing up to 30 wt.% C 1 -C 4 aliphatic alcohols and 2- 10 wt.% Water. 2. Способ по п.1, отличающийся тем, что в качестве алифатических спиртов используют первичные или третичные спирты, или их смеси.2. The method according to claim 1, characterized in that the primary or tertiary alcohols, or mixtures thereof, are used as aliphatic alcohols.
RU2002109490A 2002-04-11 2002-04-11 Method for separation of c4-hydrocarbon fractions RU2213721C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002109490A RU2213721C1 (en) 2002-04-11 2002-04-11 Method for separation of c4-hydrocarbon fractions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002109490A RU2213721C1 (en) 2002-04-11 2002-04-11 Method for separation of c4-hydrocarbon fractions

Publications (2)

Publication Number Publication Date
RU2213721C1 RU2213721C1 (en) 2003-10-10
RU2002109490A true RU2002109490A (en) 2004-01-20

Family

ID=31989021

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002109490A RU2213721C1 (en) 2002-04-11 2002-04-11 Method for separation of c4-hydrocarbon fractions

Country Status (1)

Country Link
RU (1) RU2213721C1 (en)

Also Published As

Publication number Publication date
RU2213721C1 (en) 2003-10-10

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Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20080412