BE867874A - Procede de recuperation d'alkylene-glycols par distillation azeotrope - Google Patents

Procede de recuperation d'alkylene-glycols par distillation azeotrope

Info

Publication number
BE867874A
BE867874A BE188367A BE188367A BE867874A BE 867874 A BE867874 A BE 867874A BE 188367 A BE188367 A BE 188367A BE 188367 A BE188367 A BE 188367A BE 867874 A BE867874 A BE 867874A
Authority
BE
Belgium
Prior art keywords
glycols
azeotropic distillation
recovering alkylene
alkylene
recovering
Prior art date
Application number
BE188367A
Other languages
English (en)
Original Assignee
Halcon Res And Dev Corp
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 And Dev Corp filed Critical Halcon Res And Dev Corp
Publication of BE867874A publication Critical patent/BE867874A/fr

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)
BE188367A 1977-06-06 1978-06-06 Procede de recuperation d'alkylene-glycols par distillation azeotrope BE867874A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/804,033 US4151048A (en) 1977-06-06 1977-06-06 Recovery of alkylene glycols by azeotropic distillation

Publications (1)

Publication Number Publication Date
BE867874A true BE867874A (fr) 1978-12-06

Family

ID=25188020

Family Applications (1)

Application Number Title Priority Date Filing Date
BE188367A BE867874A (fr) 1977-06-06 1978-06-06 Procede de recuperation d'alkylene-glycols par distillation azeotrope

Country Status (8)

Country Link
US (1) US4151048A (fr)
JP (1) JPS543003A (fr)
BE (1) BE867874A (fr)
DE (1) DE2824859A1 (fr)
FR (1) FR2393783A1 (fr)
GB (1) GB1581404A (fr)
IT (1) IT1104724B (fr)
NL (1) NL7805750A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4187153A (en) * 1977-11-14 1980-02-05 Halcon Research & Development Corporation Production of alkylene glycols
JPS6089439A (ja) * 1983-10-24 1985-05-20 Mitsui Toatsu Chem Inc エチレングリコ−ルの製造方法
US4966658A (en) * 1989-12-27 1990-10-30 Lloyd Berg Recovery of ethylene glycol from butanediol isomers 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
US7695594B2 (en) * 2003-09-30 2010-04-13 Clark Arthur F Method for separating volatile components by dilutive distillation

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619452A (en) * 1945-12-22 1952-11-25 Gen Aniline & Film Corp Purification of vinyl sulfonic acids
US3074962A (en) * 1958-04-22 1963-01-22 Union Carbide Corp Separation of ethylene carbonate from admixture with ethylene glycol
GB927809A (en) * 1960-11-09 1963-06-06 Ici Ltd Improvements in and relating to glycols
US3154583A (en) * 1962-02-14 1964-10-27 Nopco Chem Co Stabilization of aromatic amines
GB1334459A (en) * 1970-09-02 1973-10-17 Atlantic Richfield Co Process for recovering hydroperoxides
US3809724A (en) * 1971-09-08 1974-05-07 Halcon International Inc Preparation and recovery of alkylene glycols
US3968174A (en) * 1971-09-08 1976-07-06 Halcon International, Inc. Method of producing polyhydric compounds
JPS514111A (en) * 1974-07-01 1976-01-14 Mitsubishi Chem Ind 1*44 butanjiooruno seiseihoho
US3951756A (en) * 1974-11-08 1976-04-20 Celanese Corporation Purification of alkyl esters
US4057471A (en) * 1975-09-12 1977-11-08 Halcon International, Inc. 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
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

Also Published As

Publication number Publication date
IT1104724B (it) 1985-10-28
NL7805750A (nl) 1978-12-08
DE2824859A1 (de) 1978-12-14
FR2393783A1 (fr) 1979-01-05
GB1581404A (en) 1980-12-10
IT7849721A0 (it) 1978-06-05
US4151048A (en) 1979-04-24
JPS543003A (en) 1979-01-11

Similar Documents

Publication Publication Date Title
BE864233A (fr) Procede de preparation d'une tete de detection
BE864204A (fr) Procede de recuperation de catalyseur
RO83822A (fr) Procede de recuperation du petroleum
BE870486A (fr) Procede de recuperation d'uranium au depart de solutions d'acide phosphorique
BE855935A (fr) Procede de recuperation de l'irridium
BE863760A (fr) Procede de purification de l'ether methyl-tertiobutylique par extraction azeotrope du methanol
RO79610A (fr) Procede de recuperation de l'acide acrylique
LU78621A1 (fr) Procede d'hydrogenation
FR2323670A1 (fr) Procede de recuperation d'alkylene-glycols purs
FR2336412A1 (fr) Procede nouveau de synthese de la 3', 4'-didesoxykanamycine b''
BE867874A (fr) Procede de recuperation d'alkylene-glycols par distillation azeotrope
BE878857A (fr) Procede d'elimination des sels de potassium des sous-produits de distillation
BE834561A (fr) Procede de recuperation d'halogenures metalliques
RO80122A (fr) Procede de recuperation d'un caralyseur a teneur de rhodium
BE846420A (fr) Procede de purification d'eaux souterraines
BE873806A (fr) Procede de recuperation de plomb
RO73519A (fr) Procede d'obtention des corticoides
BE858717A (fr) Procede de purification de l'epsilon-caprolactame
LU78874A1 (fr) Procede de preparation de nouvelles sulfonylhydrazones de 1,4-dioxo-et 4-oxoquinoxaline-2-carboxaldehyde
BE865606A (fr) Procede de recuperation de constituants catalytiques
LU80262A1 (fr) Procede de preparation de 10,11-dihydro-5h-dibenzo(a,d)cycloheptene-5,10-imines substituees en position 5
FR2300398A1 (fr) Procede d'aplatissement de la courbe d
FR2341574A1 (fr) Procede de preparation d'une gamma-lactone
BE852700R (fr) Procede de preparation d'oxaphospholannes-1,2
BE867283A (fr) Procede de formation d'image par electrophorese