FR2323669A1 - Extraction d'alkylene-glycols inferieurs - Google Patents

Extraction d'alkylene-glycols inferieurs

Info

Publication number
FR2323669A1
FR2323669A1 FR7627239A FR7627239A FR2323669A1 FR 2323669 A1 FR2323669 A1 FR 2323669A1 FR 7627239 A FR7627239 A FR 7627239A FR 7627239 A FR7627239 A FR 7627239A FR 2323669 A1 FR2323669 A1 FR 2323669A1
Authority
FR
France
Prior art keywords
extraction
lower alkylene
alkylene glycols
glycols
glycols extraction
Prior art date
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.)
Granted
Application number
FR7627239A
Other languages
English (en)
Other versions
FR2323669B1 (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 FR2323669A1 publication Critical patent/FR2323669A1/fr
Application granted granted Critical
Publication of FR2323669B1 publication Critical patent/FR2323669B1/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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
FR7627239A 1975-09-12 1976-09-10 Extraction d'alkylene-glycols inferieurs Granted FR2323669A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/612,825 US4057471A (en) 1975-09-12 1975-09-12 Recovery of alkylene glycols

Publications (2)

Publication Number Publication Date
FR2323669A1 true FR2323669A1 (fr) 1977-04-08
FR2323669B1 FR2323669B1 (fr) 1980-03-07

Family

ID=24454797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7627239A Granted FR2323669A1 (fr) 1975-09-12 1976-09-10 Extraction d'alkylene-glycols inferieurs

Country Status (8)

Country Link
US (1) US4057471A (fr)
JP (1) JPS5236610A (fr)
BE (1) BE846054A (fr)
DE (1) DE2641131C2 (fr)
FR (1) FR2323669A1 (fr)
GB (1) GB1554647A (fr)
IT (1) IT1089821B (fr)
NL (1) NL169727C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393783A1 (fr) * 1977-06-06 1979-01-05 Halcon Res & Dev Procede perfectionne de recuperation d'alkylene-glycols par distillation azeotropique
FR2408569A1 (fr) * 1977-11-14 1979-06-08 Halcon Res & Dev Procede de purification d'alkylene-glycols

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4519875A (en) * 1984-05-09 1985-05-28 The Halcon Sd Group, Inc. Purification of ethylene glycol derived from ethylene carbonate
US4830712A (en) * 1987-09-29 1989-05-16 Union Carbide Corporation Process for refining ethylene glycol
US4966658A (en) * 1989-12-27 1990-10-30 Lloyd Berg Recovery of ethylene glycol from butanediol isomers by azeotropic distillation
US4975158A (en) * 1989-12-27 1990-12-04 Lloyd Bert Recovery of glycerine from polyols by azeotropic distillation
US4935102A (en) * 1989-12-27 1990-06-19 Lloyd Berg Separation of 2,3-butanediol from propylene glycol by azeotropic distillation
US4980033A (en) * 1990-09-04 1990-12-25 Lloyd Berg Recovery of triethylene glycol from triols by azeotropic distillation
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
EP0679624B1 (fr) * 1994-04-18 1998-12-09 BASF Aktiengesellschaft Récupération de glycoles à partir de liquides techniques les contenant
WO2005032687A2 (fr) * 2003-09-30 2005-04-14 Clark Arthur F Procede de separation de composants volatils par distillation dans laquelle intervient une dilution
CN110878007B (zh) * 2018-09-05 2023-04-28 长春美禾科技发展有限公司 一种非石油基乙二醇的精制方法
CN110963891B (zh) * 2018-09-29 2024-02-23 长春美禾科技发展有限公司 一种生物基丙二醇的精制方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1142057A (en) * 1966-11-09 1969-02-05 Bp Chem Int Ltd Separation of formic acid from mixtures with other acids
US3809724A (en) * 1971-09-08 1974-05-07 Halcon International Inc Preparation and recovery of alkylene glycols

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393783A1 (fr) * 1977-06-06 1979-01-05 Halcon Res & Dev Procede perfectionne de recuperation d'alkylene-glycols par distillation azeotropique
FR2408569A1 (fr) * 1977-11-14 1979-06-08 Halcon Res & Dev Procede de purification d'alkylene-glycols

Also Published As

Publication number Publication date
IT1089821B (it) 1985-06-18
NL169727C (nl) 1982-08-16
FR2323669B1 (fr) 1980-03-07
US4057471A (en) 1977-11-08
GB1554647A (en) 1979-10-24
DE2641131C2 (de) 1982-04-01
NL7609540A (nl) 1977-03-15
BE846054A (fr) 1977-03-10
JPS5236610A (en) 1977-03-22
DE2641131A1 (de) 1977-03-24

Similar Documents

Publication Publication Date Title
FI793951A (fi) Stroemningsmaetare fungerande med ultraljud
ES245234Y (es) Perfeccionamientos en calzoncillos
DK338680A (da) Silylerede polyethere
FI790918A (fi) Vaermepump med flera kompressorer och med koordinerad avfrostning
FI66893B (fi) Saosom faergaemnen anvaendbara biskatjoniska azofoereningar forfarande foer deras framstaellning och deras anvaendning
BE878311A (fr) Nouvelles spiro-oxazolidine-diones
BE788398A (fr) Recuperation d'alkylene-glycols
FI791229A (fi) Infaestningselement med foerankringsbult och exepansionskil
FI791380A (fi) Armerat bitumenroer och saett att framstaella detta
FI792300A (fi) Froebaerare och saett att framstaella densamma
FR2323669A1 (fr) Extraction d'alkylene-glycols inferieurs
IT1078031B (it) Procedimento per l'estrazione di mercaptani
BE846056A (fr) Recuperation d'alkylene-glycols
FI783103A (fi) Foerfarande och anordning foer att avlasta och hopsamla staplade dryckeskorgar
FR2302812A1 (fr) Machine d'oxycoupage
BE846055A (fr) Recuperation d'alkylene-glycols
FR2308454A1 (fr) Machine d'oxycoupage
FI55018C (fi) Hoeljeaemne saerskilt foer aerosolfoerpackningar och anordning foer aemnets framstaellning medelst kallpressning
FI781803A (fi) Elektrolyscell och saett att framstaella densamma
BE877317A (fr) Nouvelles cystamines
FR2308303A1 (fr) Machine mobile d'exploitation forestiere
FR2314732A1 (fr) Solution d'iodophore
BE846057A (fr) Recuperation d'alkylene-glycols
SE7903111L (sv) Ficka
JPS5183128A (ja) Arukaridenchi

Legal Events

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