IT1109325B - Produzione migliorata di glicoli di alchilene - Google Patents

Produzione migliorata di glicoli di alchilene

Info

Publication number
IT1109325B
IT1109325B IT51894/78A IT5189478A IT1109325B IT 1109325 B IT1109325 B IT 1109325B IT 51894/78 A IT51894/78 A IT 51894/78A IT 5189478 A IT5189478 A IT 5189478A IT 1109325 B IT1109325 B IT 1109325B
Authority
IT
Italy
Prior art keywords
alchylene
glycols
improved production
production
improved
Prior art date
Application number
IT51894/78A
Other languages
English (en)
Other versions
IT7851894A0 (it
Original Assignee
Halcon Res & Dev
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 Res & Dev filed Critical Halcon Res & Dev
Publication of IT7851894A0 publication Critical patent/IT7851894A0/it
Application granted granted Critical
Publication of IT1109325B publication Critical patent/IT1109325B/it

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
IT51894/78A 1977-11-14 1978-11-14 Produzione migliorata di glicoli di alchilene IT1109325B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/851,025 US4187153A (en) 1977-11-14 1977-11-14 Production of alkylene glycols

Publications (2)

Publication Number Publication Date
IT7851894A0 IT7851894A0 (it) 1978-11-14
IT1109325B true IT1109325B (it) 1985-12-16

Family

ID=25309757

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51894/78A IT1109325B (it) 1977-11-14 1978-11-14 Produzione migliorata di glicoli di alchilene

Country Status (8)

Country Link
US (1) US4187153A (it)
JP (1) JPS5479213A (it)
BE (1) BE871961A (it)
DE (1) DE2849249A1 (it)
FR (1) FR2408569A1 (it)
GB (1) GB2007650B (it)
IT (1) IT1109325B (it)
NL (1) NL7810594A (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3227759A1 (de) * 1982-07-24 1984-01-26 Rütgerswerke AG, 6000 Frankfurt Verfahren zur isolierung von basen aus gemischen mit aromatischen kohlenwasserstoffen
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
ES2124928T3 (es) * 1994-04-18 1999-02-16 Basf Ag Recuperacion de glicoles de fluidos industriales que contienen glicol usados.
WO2005032687A2 (en) * 2003-09-30 2005-04-14 Clark Arthur F Method for separating volatile components by dilutive distillation

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA888749A (en) 1971-12-21 Halcon International Process for preparing glycol type carboxylic acid esters
BE548336A (it) *
NL289217A (it) * 1962-02-22
US4052442A (en) 1966-01-21 1977-10-04 Kuraray Co., Ltd. Process for preparing glycol esters
US3689535A (en) * 1968-09-26 1972-09-05 John Kollar Process for preparing ethylene glycol esters
US3778468A (en) * 1968-09-26 1973-12-11 Halcon International Inc Process for preparing ethylene glycol esters
US3668239A (en) * 1970-04-23 1972-06-06 Halcon International Inc Process for preparing glycol esters from olefinically unsaturated compounds
US3743672A (en) * 1970-05-27 1973-07-03 Halcon International Inc Separation of water in alkylene glycol mono and diester purification by azeotropic distillation
US3715389A (en) * 1971-03-01 1973-02-06 Halcon International Inc Process for preparing glycol esters from olefinically unsaturated compounds
US3809724A (en) * 1971-09-08 1974-05-07 Halcon International Inc Preparation and recovery of alkylene glycols
US3968175A (en) * 1971-09-08 1976-07-06 Halcon International, Inc. Method of producing polyhydric compounds
US3859368A (en) * 1971-09-08 1975-01-07 Halcon International Inc Method of producing polyhydric compounds such as ethylene glycol by disproportionation of its monoacetate
US3770813A (en) * 1971-10-26 1973-11-06 Halcon International Inc Process for producing glycol esters
US3872164A (en) * 1973-12-12 1975-03-18 Halcon International Inc Preparation of glyocol acetates
US4057471A (en) * 1975-09-12 1977-11-08 Halcon International, Inc. Recovery of alkylene glycols
US4028195A (en) * 1975-09-12 1977-06-07 Halcon International, Inc. Recovery of alkylene glycols by distillation with aqueous organic acid
US4045294A (en) * 1975-09-12 1977-08-30 Halcon International, Inc. Process for the recovery of alkylene glycols
US4021311A (en) * 1975-09-12 1977-05-03 Halcon International, Inc. Recovery of alkylene glycols by azeotropic distillation with 1,2,3-trimethyl benzene
US4151048A (en) * 1977-06-06 1979-04-24 Halcon Research And Development Corporation Recovery of alkylene glycols by azeotropic distillation
NL7810869A (nl) * 1977-11-14 1979-05-16 Halcon Res & Dev Verbeterde werkwijze voor het bereiden van meerwaardige hydroxyverbindingen.

Also Published As

Publication number Publication date
BE871961A (fr) 1979-05-14
NL7810594A (nl) 1979-05-16
JPS5479213A (en) 1979-06-25
US4187153A (en) 1980-02-05
IT7851894A0 (it) 1978-11-14
GB2007650A (en) 1979-05-23
GB2007650B (en) 1982-04-28
FR2408569A1 (fr) 1979-06-08
DE2849249A1 (de) 1979-05-17

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