FR2322842B1 - - Google Patents

Info

Publication number
FR2322842B1
FR2322842B1 FR7627241A FR7627241A FR2322842B1 FR 2322842 B1 FR2322842 B1 FR 2322842B1 FR 7627241 A FR7627241 A FR 7627241A FR 7627241 A FR7627241 A FR 7627241A FR 2322842 B1 FR2322842 B1 FR 2322842B1
Authority
FR
France
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
FR7627241A
Other versions
FR2322842A1 (fr
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.)
Halcon International Inc
Original Assignee
Halcon International Inc
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 Halcon International Inc filed Critical Halcon International Inc
Publication of FR2322842A1 publication Critical patent/FR2322842A1/fr
Application granted granted Critical
Publication of FR2322842B1 publication Critical patent/FR2322842B1/fr
Granted legal-status Critical Current

Links

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
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • C07C29/82—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation by azeotropic distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7627241A 1975-09-12 1976-09-10 Procede de purification d'un alkylene-glycol Granted FR2322842A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/612,827 US4028195A (en) 1975-09-12 1975-09-12 Recovery of alkylene glycols by distillation with aqueous organic acid

Publications (2)

Publication Number Publication Date
FR2322842A1 FR2322842A1 (fr) 1977-04-01
FR2322842B1 true FR2322842B1 (fr) 1980-06-06

Family

ID=24454804

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7627241A Granted FR2322842A1 (fr) 1975-09-12 1976-09-10 Procede de purification d'un alkylene-glycol

Country Status (8)

Country Link
US (1) US4028195A (fr)
JP (1) JPS5236613A (fr)
BE (1) BE846055A (fr)
DE (1) DE2641134A1 (fr)
FR (1) FR2322842A1 (fr)
GB (1) GB1554650A (fr)
IT (1) IT1089819B (fr)
NL (1) NL7609341A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151048A (en) * 1977-06-06 1979-04-24 Halcon Research And Development Corporation Recovery of alkylene glycols by azeotropic distillation
US4187153A (en) * 1977-11-14 1980-02-05 Halcon Research & Development Corporation Production of alkylene glycols
US5391263A (en) * 1994-01-26 1995-02-21 E. I. Du Pont De Nemours And Company Process for the separation of glycols from dimethyl terephthalate
US5423955A (en) * 1994-07-05 1995-06-13 Lloyd Berg Separation of propylene glycol from 1,2-butanediol by azeotropic
US5672780A (en) * 1995-08-11 1997-09-30 Eastman Kodak Company Purification of ethylene glycol recovered from polyester resins
DE19757711A1 (de) * 1997-12-23 1999-07-01 Basf Ag Verfahren zur Herstellung von Alkylenglykol mit niedrigem Gehalt an Carbonylverbindungen
CA2539243C (fr) * 2003-09-30 2010-04-20 Arthur F. Clark Procede de separation de composants volatils par distillation dans laquelle intervient une dilution
WO2008057317A1 (fr) * 2006-10-27 2008-05-15 Archer-Daniels-Midland Company Procédés d'isolement ou de purification de propylène glycol et d'éthylène glycol, et produits dérivés de ces derniers
WO2017099781A1 (fr) * 2015-12-10 2017-06-15 Evan Koslow Procédé de purification de glycol contaminé

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1282632B (de) * 1966-04-16 1968-11-14 Glanzstoff Ag Verfahren zur Aufarbeitung von Glykolen, die durch Oxydationsprodukte verunreinigt sind
US3408268A (en) * 1966-10-27 1968-10-29 Jefferson Chem Co Inc Recovery of spent glycol by distillation in the presence of water
US3647892A (en) * 1969-04-28 1972-03-07 Halcon International Inc Preparation of ethylene glycol
US3809724A (en) * 1971-09-08 1974-05-07 Halcon International Inc Preparation and recovery of alkylene glycols

Also Published As

Publication number Publication date
GB1554650A (en) 1979-10-24
JPS5236613A (en) 1977-03-22
US4028195A (en) 1977-06-07
DE2641134A1 (de) 1977-03-24
NL7609341A (nl) 1977-03-15
FR2322842A1 (fr) 1977-04-01
JPS5527892B2 (fr) 1980-07-24
BE846055A (fr) 1977-03-10
IT1089819B (it) 1985-06-18

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse