GB1381149A

GB1381149A – Manufacture of cyclohexanol from cyclohexene
– Google Patents

GB1381149A – Manufacture of cyclohexanol from cyclohexene
– Google Patents
Manufacture of cyclohexanol from cyclohexene

Info

Publication number
GB1381149A

GB1381149A
GB2308372A
GB2308372A
GB1381149A
GB 1381149 A
GB1381149 A
GB 1381149A
GB 2308372 A
GB2308372 A
GB 2308372A
GB 2308372 A
GB2308372 A
GB 2308372A
GB 1381149 A
GB1381149 A
GB 1381149A
Authority
GB
United Kingdom
Prior art keywords
cyclohexene
cyclohexanol
column
sulphuric acid
reactor
Prior art date
1971-05-18
Legal status (The legal status 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 status listed.)

Expired

Application number
GB2308372A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

BASF SE

Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
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.)
1971-05-18
Filing date
1972-05-17
Publication date
1975-01-22

1971-05-18
Priority claimed from DE19712124590
external-priority
patent/DE2124590C3/en

1972-05-17
Application filed by BASF SE, Badische Anilin and Sodafabrik AG
filed
Critical
BASF SE

1975-01-22
Publication of GB1381149A
publication
Critical
patent/GB1381149A/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS

C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring

C07C29/03—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2

C07C29/04—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2 by hydration of carbon-to-carbon double bonds

C07C29/05—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2 by hydration of carbon-to-carbon double bonds with formation of absorption products in mineral acids and their hydrolysis

C07C29/06—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2 by hydration of carbon-to-carbon double bonds with formation of absorption products in mineral acids and their hydrolysis the acid being sulfuric acid

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS

C07C2601/00—Systems containing only non-condensed rings

C07C2601/12—Systems containing only non-condensed rings with a six-membered ring

C07C2601/14—The ring being saturated

Abstract

1381149 Preparation of cyclohexanol BADISCHE ANILIN- & SODA-FABRIK AG 17 May 1972 [18 May 1971] 23083/72 Heading C2C Cyclohexanol is produced in a continuous process from cyclohexene in two stages involving the addition of sulphuric acid in hydration in which the addition of sulphuric acid is carried out in the presence of ferrous sulphate. As illustrated in the flow diagram cyclohexene is passed through line 6 to the reactor 1, where it is caused to boil and the temperature is maintained at 82‹ C. by vapour cooling while a 60% sulphuric acid solution, heated at 110‹ C., is fed to the reactor through line 7 and thus added to the boiling cyclohexene. The sulphuric acid leaving the reactor is diluted with water to a concentration of 30% in a mixing line 8 and passes to a saponifying and stripping column 2 operating at atmospheric temperature and a temperature of 110‹ C. The concentrated sulphuric acid (60%) which collects at the base of this column is recycled to the absorption reactor 1 through line 9. The overheads leaving column 2 pass to a separator 3 operating at 20‹ C. and in which an aqueous phase containing 3% of cyclohexanol, which is used for the hydrolysis of the alkyl sulphate, and an organic phase comprising cyclohexene, cyclohexanol and traces of water are obtained, which is fed to a column 4 for the removal of cyclohexene and traces of water, residual water being removed by adding cyclohexene at the top of the column and in a second column 5, cyclohexanol is removed from the residue.

GB2308372A
1971-05-18
1972-05-17
Manufacture of cyclohexanol from cyclohexene

Expired

GB1381149A
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

DE19712124590

DE2124590C3
(en)

1971-05-18

Process for the continuous production of cyclohexanol from cyclohexene

Publications (1)

Publication Number
Publication Date

GB1381149A
true

GB1381149A
(en)

1975-01-22

Family
ID=5808219
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB2308372A
Expired

GB1381149A
(en)

1971-05-18
1972-05-17
Manufacture of cyclohexanol from cyclohexene

Country Status (4)

Country
Link

BE
(1)

BE783581A
(en)

FR
(1)

FR2138128B1
(en)

GB
(1)

GB1381149A
(en)

NL
(1)

NL7206342A
(en)

Cited By (2)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

EP0087924A2
(en)

*

1982-03-01
1983-09-07
The British Petroleum Company p.l.c.
Process for the catalytic oxidation of a paraffinic hydrocarbon to an alcohol and either an aldehyde or a ketone

US6245907B1
(en)

1997-12-08
2001-06-12
Hyosung Corporation
Process for producing a high purity caprolactam

1972

1972-05-10
NL
NL7206342A
patent/NL7206342A/xx
not_active
Application Discontinuation

1972-05-17
BE
BE783581A
patent/BE783581A/en
unknown

1972-05-17
GB
GB2308372A
patent/GB1381149A/en
not_active
Expired

1972-05-18
FR
FR7217934A
patent/FR2138128B1/fr
not_active
Expired

Cited By (3)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

EP0087924A2
(en)

*

1982-03-01
1983-09-07
The British Petroleum Company p.l.c.
Process for the catalytic oxidation of a paraffinic hydrocarbon to an alcohol and either an aldehyde or a ketone

EP0087924A3
(en)

*

1982-03-01
1984-03-28
The British Petroleum Company p.l.c.
Process for the catalytic oxidation of a paraffinic hydrocarbon to an alcohol and either an aldehyde or a ketone

US6245907B1
(en)

1997-12-08
2001-06-12
Hyosung Corporation
Process for producing a high purity caprolactam

Also Published As

Publication number
Publication date

FR2138128A1
(en)

1972-12-29

DE2124590A1
(en)

1972-11-30

DE2124590B2
(en)

1975-06-19

FR2138128B1
(en)

1975-08-08

BE783581A
(en)

1972-11-17

NL7206342A
(en)

1972-11-21

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Legal Events

Date
Code
Title
Description

1975-06-04
PS
Patent sealed

1983-12-29
PCNP
Patent ceased through non-payment of renewal fee

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