IT1062049B - Processo per l ottenimento di isobutilene di grande purezza - Google Patents

Processo per l ottenimento di isobutilene di grande purezza

Info

Publication number: IT1062049B
Authority: IT; Italy
Prior art keywords: obtaining high; purity isobutylene; isobutylene; purity; obtaining
Prior art date: 1975-05-09

Application number

IT21789/76A

Other languages

English (en)

Original Assignee

Raffinage Cie Francaise

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.)

1975-05-09

Filing date

1976-03-31

Publication date

1983-06-25

1976-03-31 Application filed by Raffinage Cie Francaise filed Critical Raffinage Cie Francaise

1983-06-25 Application granted granted Critical

1983-06-25 Publication of IT1062049B publication Critical patent/IT1062049B/it

Links

VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/11—Purification; Separation; Use of additives by absorption, i.e. purification or separation of gaseous hydrocarbons with the aid of liquids
- 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
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
- C07C7/17—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with acids or sulfur oxides
- C07C7/171—Sulfuric acid or oleum

Landscapes

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

IT21789/76A 1975-05-09 1976-03-31 Processo per l ottenimento di isobutilene di grande purezza IT1062049B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7514589A FR2310327A1 (fr)	1975-05-09	1975-05-09	Procede d'obtention d'isobutylene de grande purete

Publications (1)

Publication Number	Publication Date
IT1062049B true IT1062049B (it)	1983-06-25

Family

ID=9155051

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT21789/76A IT1062049B (it)	1975-05-09	1976-03-31	Processo per l ottenimento di isobutilene di grande purezza

Country Status (10)

Country	Link
US (1)	US4018843A (it)
JP (1)	JPS51133204A (it)
BE (1)	BE841563A (it)
BR (1)	BR7505271A (it)
CA (1)	CA1047544A (it)
DE (1)	DE2613923C2 (it)
FR (1)	FR2310327A1 (it)
GB (1)	GB1495481A (it)
IT (1)	IT1062049B (it)
NL (1)	NL7604795A (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1179291A (en) *	1981-10-30	1984-12-11	David T. Ahlberg	Distillation apparatus
IT1194350B (it) *	1983-07-28	1988-09-14	Snam Progetti	Procedimento per la produzione di butene-1 ad elevata purezza con basso consumo di energia
US5122236A (en) *	1990-05-21	1992-06-16	Smith Jr Lawrence A	Method for removal of dimethyl ether and methanol from c4 hydrocarbon streams
JP4649782B2 (ja) *	2001-06-21	2011-03-16	住友化学株式会社	イソブチレン及びメタノールの製造方法
JP4649783B2 (ja) *	2001-06-21	2011-03-16	住友化学株式会社	イソブチレン及びメタノールの製造方法
US7402720B2 (en) *	2002-12-19	2008-07-22	Exxonmobil Chemical Patents Inc.	Distillation process for removal of methyl acetylene and/or propadiene from an olefin stream

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE746473A (fr) *	1969-03-01	1970-08-25	Basf Ag	Procede pour obtenir de l'isobutylene a partir de melanges renfermant cette substance et du butadiene
FR2142268A5 (it) *	1971-06-18	1973-01-26	Petroles Cie Francaise
US3864419A (en) *	1973-10-30	1975-02-04	Goodrich Co B F	Tertiary mono olefin extraction with mixed acids

1975
- 1975-05-09 FR FR7514589A patent/FR2310327A1/fr active Granted
- 1975-08-18 BR BR5271/75A patent/BR7505271A/pt unknown
1976
- 1976-03-31 DE DE2613923A patent/DE2613923C2/de not_active Expired
- 1976-03-31 IT IT21789/76A patent/IT1062049B/it active
- 1976-04-19 JP JP51044369A patent/JPS51133204A/ja active Pending
- 1976-05-03 GB GB17974/76A patent/GB1495481A/en not_active Expired
- 1976-05-04 US US05/683,178 patent/US4018843A/en not_active Expired - Lifetime
- 1976-05-04 CA CA251,708A patent/CA1047544A/en not_active Expired
- 1976-05-05 NL NL7604795A patent/NL7604795A/xx not_active Application Discontinuation
- 1976-05-07 BE BE166819A patent/BE841563A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
GB1495481A (en)	1977-12-21
FR2310327B1 (it)	1983-08-19
US4018843A (en)	1977-04-19
DE2613923A1 (de)	1976-11-25
BE841563A (fr)	1976-11-08
BR7505271A (pt)	1976-11-09
DE2613923C2 (de)	1983-03-17
CA1047544A (en)	1979-01-30
FR2310327A1 (fr)	1976-12-03
NL7604795A (nl)	1976-11-11
JPS51133204A (en)	1976-11-18

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