IT964249B - Processo di ricupero di isoprene - Google Patents

Processo di ricupero di isoprene

Info

Publication number: IT964249B
Authority: IT; Italy
Prior art keywords: recovery process; isoprene recovery; isoprene; recovery
Prior art date: 1971-08-26

Application number

IT28490/72A

Other languages

English (en)

Original Assignee

Shell Int Research

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.)

1971-08-26

Filing date

1972-08-24

Publication date

1974-01-21

1972-08-24 Application filed by Shell Int Research filed Critical Shell Int Research

1974-01-21 Application granted granted Critical

1974-01-21 Publication of IT964249B publication Critical patent/IT964249B/it

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
- C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
- C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Analytical Chemistry (AREA)
Oil, Petroleum & Natural Gas (AREA)
Water Supply & Treatment (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

IT28490/72A 1971-08-26 1972-08-24 Processo di ricupero di isoprene IT964249B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US17523371A	1971-08-26	1971-08-26

Publications (1)

Publication Number	Publication Date
IT964249B true IT964249B (it)	1974-01-21

Family

ID=22639485

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT28490/72A IT964249B (it)	1971-08-26	1972-08-24	Processo di ricupero di isoprene

Country Status (9)

Country	Link
US (1)	US3775259A (it)
JP (1)	JPS552414B2 (it)
BE (1)	BE787944A (it)
CA (1)	CA997296A (it)
DE (1)	DE2241568C2 (it)
FR (1)	FR2150477B1 (it)
GB (1)	GB1344219A (it)
IT (1)	IT964249B (it)
NL (1)	NL173634C (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4081332A (en) *	1976-08-27	1978-03-28	The B. F. Goodrich Company	Extractive distillation of C5 hydrocarbons using acetonitrile and additives
JPS5730658A (en) *	1980-07-28	1982-02-18	Hitachi Ltd	Controller for motor blower
JPS5770421U (it) *	1980-10-17	1982-04-28
JPS5879932A (ja) *	1981-11-06	1983-05-13	Japan Synthetic Rubber Co Ltd	ブタジエン又はイソプレンの精製方法
DE3338269A1 (de) *	1983-10-21	1985-05-02	Basf Ag, 6700 Ludwigshafen	Verfahren zur gewinnung von isopren aus einem c(pfeil abwaerts)5(pfeil abwaerts)-kohlenwasserstoffgemisch
DE4109632A1 (de) *	1991-03-23	1992-09-24	Krupp Koppers Gmbh	Verfahren zur abtrennung von aromaten durch extraktivdestillation
US20110178349A1 (en) *	2010-01-20	2011-07-21	Anzick Robert Kenneth	Method of treating a hydrocarbon stream comprising cyclopentadiene and one or more diolefins
US9440947B2 (en) *	2012-02-26	2016-09-13	Amt International, Inc.	Regeneration of selective solvents for extractive processes
AR101431A1 (es)	2013-06-05	2016-12-21	Gtc Technology Us Llc	Proceso y aparatos para separar di-olefinas c₅ de naftas de pirólisis
US9981889B2 (en)	2013-08-22	2018-05-29	General Electric Company	Use of diethylenetriamine as a CS2 scavenger in isoprene production
WO2016097999A1 (en)	2014-12-18	2016-06-23	Sabic Global Technologies B.V.	Isoprene extraction with preserved c5 feedstock
CN113426151A (zh) *	2021-07-26	2021-09-24	常州乐研分离技术有限公司	一种碳纤维生产过程中溶剂dmso精馏回收工艺的装置及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3012947A (en) *	1959-06-15	1961-12-12	Exxon Research Engineering Co	Recovery of high purity isoprene from light steam cracked distillate
BE672305A (it) *	1962-05-18
DE1211738B (de) *	1962-12-22	1966-03-03	Erdoelchemie Gmbh	Verfahren zur Trennung von C-Kohlenwasserstoffgemischen, die paraffinische, monoolefinische und diolefinische C-Kohlen-wasserstoffe enthalten
DE1668017A1 (de) *	1967-09-06	1971-07-22	Bayer Ag	Verfahren zur Rein-Darstellung von Isopren
US3496070A (en) *	1967-11-09	1970-02-17	Petro Tex Chem Corp	Purification of unsaturated hydrocarbons by extractive distillation with addition of liquid solvent to stripper overhead

0
- BE BE787944D patent/BE787944A/xx not_active IP Right Cessation
1971
- 1971-08-26 US US00175233A patent/US3775259A/en not_active Expired - Lifetime
1972
- 1972-08-15 CA CA149,495A patent/CA997296A/en not_active Expired
- 1972-08-24 IT IT28490/72A patent/IT964249B/it active
- 1972-08-24 GB GB3941672A patent/GB1344219A/en not_active Expired
- 1972-08-24 FR FR7230142A patent/FR2150477B1/fr not_active Expired
- 1972-08-24 NL NLAANVRAGE7211537,A patent/NL173634C/xx not_active IP Right Cessation
- 1972-08-24 JP JP8414572A patent/JPS552414B2/ja not_active Expired
- 1972-08-24 DE DE2241568A patent/DE2241568C2/de not_active Expired

Also Published As

Publication number	Publication date
JPS4832805A (it)	1973-05-02
NL173634C (nl)	1984-02-16
DE2241568A1 (de)	1973-03-08
FR2150477A1 (it)	1973-04-06
US3775259A (en)	1973-11-27
JPS552414B2 (it)	1980-01-19
CA997296A (en)	1976-09-21
BE787944A (fr)	1973-02-26
NL7211537A (it)	1973-02-28
FR2150477B1 (it)	1976-10-29
GB1344219A (en)	1974-01-16
DE2241568C2 (de)	1983-03-17

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