JPS5236611A - Method of recovering alkylene glycol - Google Patents

Method of recovering alkylene glycol

Info

Publication number
JPS5236611A
JPS5236611A JP51109718A JP10971876A JPS5236611A JP S5236611 A JPS5236611 A JP S5236611A JP 51109718 A JP51109718 A JP 51109718A JP 10971876 A JP10971876 A JP 10971876A JP S5236611 A JPS5236611 A JP S5236611A
Authority
JP
Japan
Prior art keywords
alkylene glycol
recovering alkylene
recovering
glycol
alkylene
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.)
Pending
Application number
JP51109718A
Other languages
English (en)
Japanese (ja)
Inventor
Betsukaa Mitsuchieru
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 JPS5236611A publication Critical patent/JPS5236611A/ja
Pending 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)
JP51109718A 1975-09-12 1976-09-13 Method of recovering alkylene glycol Pending JPS5236611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/612,826 US4021311A (en) 1975-09-12 1975-09-12 Recovery of alkylene glycols by azeotropic distillation with 1,2,3-trimethyl benzene

Publications (1)

Publication Number Publication Date
JPS5236611A true JPS5236611A (en) 1977-03-22

Family

ID=24454800

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51109718A Pending JPS5236611A (en) 1975-09-12 1976-09-13 Method of recovering alkylene glycol

Country Status (8)

Country Link
US (1) US4021311A (enExample)
JP (1) JPS5236611A (enExample)
BE (1) BE846056A (enExample)
DE (1) DE2641132A1 (enExample)
FR (1) FR2323670A1 (enExample)
GB (1) GB1554648A (enExample)
IT (1) IT1066264B (enExample)
NL (1) NL168485C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60239429A (ja) * 1984-05-09 1985-11-28 サイエンティフィック・デザイン・カンパニー・インコーポレーテッド エチレングリコールの炭酸エチレン含有量を減少させる方法

Families Citing this family (11)

* 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
US4935102A (en) * 1989-12-27 1990-06-19 Lloyd Berg Separation of 2,3-butanediol from propylene glycol by azeotropic distillation
US4975158A (en) * 1989-12-27 1990-12-04 Lloyd Bert Recovery of glycerine from polyols by azeotropic distillation
US4980033A (en) * 1990-09-04 1990-12-25 Lloyd Berg Recovery of triethylene glycol from triols by azeotropic distillation
FR2698017B1 (fr) * 1992-11-19 1995-03-10 Inst Francais Du Petrole Procédé de régénération d'un dessicant liquide.
ES2124928T3 (es) 1994-04-18 1999-02-16 Basf Ag Recuperacion de glicoles de fluidos industriales que contienen glicol usados.
US5972172A (en) * 1996-12-23 1999-10-26 Berg; Lloyd Separation of 1,2,4-trimethylbenzene from 1,2,3-trimethylbenzene by extractive distillation
US5720857A (en) * 1997-01-02 1998-02-24 Berg; Lloyd Separation of 1,2,4-trimethylbenzene from 1,2,3-trimethylbenzene by azeotropic distillation
US20140005352A1 (en) * 2012-06-29 2014-01-02 Invista North America S.A R.L. Gas scrubber and related processes
CN115141081B (zh) * 2022-07-18 2024-01-23 常州大学 基于共沸精馏方式分离共沸物乙二醇和乙二醇二乙酸酯的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4834810A (enExample) * 1971-09-08 1973-05-22
JPS51109717A (enExample) * 1975-03-22 1976-09-28 Hitachi Ltd

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2228431A (en) * 1938-01-03 1941-01-14 Standard Alcohol Co Method of purifying glycols
US3074962A (en) * 1958-04-22 1963-01-22 Union Carbide Corp Separation of ethylene carbonate from admixture with ethylene glycol
US3066116A (en) * 1959-05-26 1962-11-27 American Cyanamid Co Polyesters using molecular sieve to remove ethylene glycol
GB1142057A (en) * 1966-11-09 1969-02-05 Bp Chem Int Ltd Separation of formic acid from mixtures with other acids

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4834810A (enExample) * 1971-09-08 1973-05-22
JPS51109717A (enExample) * 1975-03-22 1976-09-28 Hitachi Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60239429A (ja) * 1984-05-09 1985-11-28 サイエンティフィック・デザイン・カンパニー・インコーポレーテッド エチレングリコールの炭酸エチレン含有量を減少させる方法

Also Published As

Publication number Publication date
FR2323670B1 (enExample) 1980-06-06
BE846056A (fr) 1977-03-10
NL168485B (nl) 1981-11-16
NL7609755A (nl) 1977-03-15
GB1554648A (en) 1979-10-24
FR2323670A1 (fr) 1977-04-08
DE2641132A1 (de) 1977-03-24
NL168485C (nl) 1982-04-16
IT1066264B (it) 1985-03-04
US4021311A (en) 1977-05-03

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