GB1466941A – Process for removing water from ethylene diamine
– Google Patents
GB1466941A – Process for removing water from ethylene diamine
– Google Patents
Process for removing water from ethylene diamine
Info
Publication number
GB1466941A
GB1466941A
GB990574A
GB990574A
GB1466941A
GB 1466941 A
GB1466941 A
GB 1466941A
GB 990574 A
GB990574 A
GB 990574A
GB 990574 A
GB990574 A
GB 990574A
GB 1466941 A
GB1466941 A
GB 1466941A
Authority
GB
United Kingdom
Prior art keywords
ethylene diamine
water
column
distillation
withdrawn
Prior art date
1973-03-07
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
GB990574A
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.)
Nouryon Surface Chemistry AB
Original Assignee
Berol Kemi AB
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.)
1973-03-07
Filing date
1974-03-05
Publication date
1977-03-09
1974-03-05
Application filed by Berol Kemi AB
filed
Critical
Berol Kemi AB
1977-03-09
Publication of GB1466941A
publication
Critical
patent/GB1466941A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
B—PERFORMING OPERATIONS; TRANSPORTING
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
C07C209/04—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups
C07C209/14—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of hydroxy groups or of etherified or esterified hydroxy groups
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
C07C209/40—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of hydroxylamino or oxyimino groups
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C211/00—Compounds containing amino groups bound to a carbon skeleton
C07C211/01—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms
C07C211/02—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
C07C211/09—Diamines
C07C211/10—Diaminoethanes
Abstract
1466941 Removing water from ethylene diamine BEROL KEMI AB 5 March 1974 [7 March 1973] 9905/74 Heading C2C Water is removed from aqueous ethylene diamine containing water in an amount which is greater than the amount of water in the azeotropic mixture formed between ethylene diamine and water by distilling the aqueous ethylene diamine in the presence of at least one distillation additive selected from piperazine, diethylene triamine, N-hydroxyethyl ethylene diamine and N-aminoethyl piperazine until the water content of the mixture is lower than the water content in the azeotropic mixture formed between ethylene diamine and water. The aqueous ethylene diamine may be that obtained by the catalytic amination of monoethanolamine or ethylene glycol with ammonia, the distillation additive being formed as a by-product. The crude ethylene diamine is passed via line 1 into a distillation column 2 operating at or slightly above atmospheric pressure and the major proportion of water is withdrawn from the head of the column whilst ethylene diamine, amino impurities and a little water are withdrawn from the bottom of the column and passed into a distillation column 4 operating under reduced pressure. Amino impurities are withdrawn from the bottom of column 4 whilst ethylene diamine containing a small amount of water is removed from the head of the column and passed into a column 7 also operating under reduced pressure. Anhydrous ethylene diamine is removed from the head of column 8 whilst an azeotropic mixture of ethylene diamine and water is removed from the bottom of the column and recirculated to column 2.
GB990574A
1973-03-07
1974-03-05
Process for removing water from ethylene diamine
Expired
GB1466941A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
SE7303229A
SE381867B
(en)
1973-03-07
1973-03-07
WAY TO REMOVE WATER FROM A MIXTURE OF ETHYLENDIAMINE AND WATER
Publications (1)
Publication Number
Publication Date
GB1466941A
true
GB1466941A
(en)
1977-03-09
Family
ID=20316836
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB990574A
Expired
GB1466941A
(en)
1973-03-07
1974-03-05
Process for removing water from ethylene diamine
Country Status (9)
Country
Link
JP
(1)
JPS49124006A
(en)
BE
(1)
BE811869A
(en)
CA
(1)
CA1012481A
(en)
DE
(1)
DE2410330C2
(en)
FR
(1)
FR2220512B1
(en)
GB
(1)
GB1466941A
(en)
IT
(1)
IT1009215B
(en)
NL
(1)
NL7402975A
(en)
SE
(1)
SE381867B
(en)
Families Citing this family (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
EP0002630B2
(en)
*
1977-12-12
1986-04-16
Societe Chimique De La Grande Paroisse, Azote Et Produits Chimiques
Catalyst and process for the manufacture of amines from alcohols
DE2929841A1
(en)
*
1979-06-14
1980-12-18
American Cyanamid Co
METHOD FOR PRODUCING N-ALKYLAETHYLENE DIAMINES
EP2507202B2
(en)
*
2009-12-02
2017-03-29
Basf Se
Method for distilling mixtures comprising ethylene diamine, n-methylethylene diamine, and water, and mixtures of ethylene diamine and n-methylethylene diamine having a low content of n-methylethylene diamine obtainable thereby
Family Cites Families (7)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DD12039A
(en)
*
FR1179771A
(en)
*
1957-07-23
1959-05-28
Electro Chimie Soc D
Ethylenediamine manufacturing process
DE1258413B
(en)
*
1957-12-17
1968-01-11
Dow Chemical Co
Process for the production of practically anhydrous ethylene diamine from aqueous ethylene diamine
DE1129160B
(en)
*
1959-06-04
1962-05-10
Basf Ag
Process for the separation of ethylene diamine and water
US3137730A
(en)
*
1960-04-12
1964-06-16
Allied Chem
Production of ethylenediamine
DE1955827A1
(en)
*
1969-11-06
1971-05-13
Basf Ag
Dehydration of ethylene diamine using piper – idine
DE1962285A1
(en)
*
1969-12-12
1971-06-24
Basf Ag
Dehydration of aqs ethylenediamine
1973
1973-03-07
SE
SE7303229A
patent/SE381867B/en
unknown
1974
1974-03-05
FR
FR7407461A
patent/FR2220512B1/fr
not_active
Expired
1974-03-05
NL
NL7402975A
patent/NL7402975A/xx
unknown
1974-03-05
DE
DE2410330A
patent/DE2410330C2/en
not_active
Expired
1974-03-05
BE
BE141637A
patent/BE811869A/en
not_active
IP Right Cessation
1974-03-05
JP
JP49026141A
patent/JPS49124006A/ja
active
Pending
1974-03-05
GB
GB990574A
patent/GB1466941A/en
not_active
Expired
1974-03-06
CA
CA194,175A
patent/CA1012481A/en
not_active
Expired
1974-03-06
IT
IT67596/74A
patent/IT1009215B/en
active
Also Published As
Publication number
Publication date
NL7402975A
(en)
1974-09-10
DE2410330A1
(en)
1974-09-19
JPS49124006A
(en)
1974-11-27
IT1009215B
(en)
1976-12-10
BE811869A
(en)
1974-07-01
FR2220512A1
(en)
1974-10-04
DE2410330C2
(en)
1982-06-03
SE381867B
(en)
1975-12-22
FR2220512B1
(en)
1977-06-17
CA1012481A
(en)
1977-06-21
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Legal Events
Date
Code
Title
Description
1977-07-20
PS
Patent sealed
1994-04-06
PE20
Patent expired after termination of 20 years
Effective date:
19940304
