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)
French (fr)
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/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/80Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • C07C29/82Separation; 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 (xx)
JP (1) JPS543003A (xx)
BE (1) BE867874A (xx)
DE (1) DE2824859A1 (xx)
FR (1) FR2393783A1 (xx)
GB (1) GB1581404A (xx)
IT (1) IT1104724B (xx)
NL (1) NL7805750A (xx)

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 (en) 1994-04-18 1998-12-09 BASF Aktiengesellschaft Recovery of glycols from used glycol-containing technical fluids
WO2005032687A2 (en) * 2003-09-30 2005-04-14 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
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
US4028195A (en) * 1975-09-12 1977-06-07 Halcon International, Inc. Recovery of alkylene glycols by distillation with aqueous organic acid
US4057471A (en) * 1975-09-12 1977-11-08 Halcon International, Inc. Recovery of alkylene glycols

Also Published As

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

Similar Documents

Publication Publication Date Title
BE864233A (fr) Procede de preparation d'une tete de detection
BE864204A (fr) Procede de recuperation de catalyseur
FR2304595A1 (fr) Procede de distillation de composes vinyles aromatiques
RO83822A (ro) Procedeu de recuperare a titeiului
RO74849A (ro) Procedeu de recuperare a olefin-nitrililor
FR2349602A1 (fr) Procede perfectionne d'obtention de 7-ceto-5-steroides
IT1164030B (it) Procedimento per purificare l'alluminio mediante cristallizzazione frazionata
BE828697A (fr) Procede de recuperation d'alpha-galactosidase raffinee
BE863760A (fr) Procede de purification de l'ether methyl-tertiobutylique par extraction azeotrope du methanol
RO79610A (ro) Procedeu de preparare a acidului acrilic
LU78621A1 (fr) Procede d'hydrogenation
FR2336412A1 (fr) Procede nouveau de synthese de la 3', 4'-didesoxykanamycine b''
FR2323670A1 (fr) Procede de recuperation d'alkylene-glycols purs
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
FR2325606A1 (fr) Procede de purification d'eaux souterraines
BE873806A (fr) Procede de recuperation de plomb
RO73519A (ro) Procedeu de obtinere a unor corticoide
BE858717A (fr) Procede de purification de l'epsilon-caprolactame
FR2341529A1 (fr) Procede de preparation de b''-a12o3
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