BE838414A - Procede de purification de l'anhydride acetique brut par distillation fractionnee continue - Google Patents

Procede de purification de l'anhydride acetique brut par distillation fractionnee continue

Info

Publication number
BE838414A
BE838414A BE164202A BE164202A BE838414A BE 838414 A BE838414 A BE 838414A BE 164202 A BE164202 A BE 164202A BE 164202 A BE164202 A BE 164202A BE 838414 A BE838414 A BE 838414A
Authority
BE
Belgium
Prior art keywords
acetic anhydride
fractional distillation
purifying crude
crude acetic
continuous fractional
Prior art date
Application number
BE164202A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE838414A publication Critical patent/BE838414A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/573—Separation; Purification; Stabilisation; Use of additives
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/20—Power plant

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
BE164202A 1975-02-10 1976-02-10 Procede de purification de l'anhydride acetique brut par distillation fractionnee continue BE838414A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2505471A DE2505471C3 (de) 1975-02-10 1975-02-10 Verfahren zur Gewinnung von Essigsäureanhydrid durch kontinuierliche fraktionierte Destillation von Rohessigsäureanhydrid

Publications (1)

Publication Number Publication Date
BE838414A true BE838414A (fr) 1976-08-10

Family

ID=5938493

Family Applications (1)

Application Number Title Priority Date Filing Date
BE164202A BE838414A (fr) 1975-02-10 1976-02-10 Procede de purification de l'anhydride acetique brut par distillation fractionnee continue

Country Status (9)

Country Link
US (1) US4107002A (de)
JP (1) JPS51122018A (de)
BE (1) BE838414A (de)
CH (1) CH601163A5 (de)
DE (1) DE2505471C3 (de)
FR (1) FR2300066A1 (de)
GB (1) GB1520684A (de)
IT (1) IT1053824B (de)
NL (1) NL7600766A (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149094A1 (de) * 1981-12-11 1983-06-16 Hoechst Ag, 6230 Frankfurt Verfahren zur entfernung von aceton aus reaktionsgemischen von carbonylierungsreaktionen
GB9120902D0 (en) * 1991-10-02 1991-11-13 Bp Chem Int Ltd Purification process
US5264087A (en) * 1992-10-13 1993-11-23 Eastman Kodak Company Method for refining acetic anhydride by distillation
US8575403B2 (en) 2010-05-07 2013-11-05 Celanese International Corporation Hydrolysis of ethyl acetate in ethanol separation process
JP6076579B2 (ja) * 2010-06-23 2017-02-08 株式会社ダイセル 蒸留塔の運転方法
US8710279B2 (en) 2010-07-09 2014-04-29 Celanese International Corporation Hydrogenolysis of ethyl acetate in alcohol separation processes
US8664454B2 (en) 2010-07-09 2014-03-04 Celanese International Corporation Process for production of ethanol using a mixed feed using copper containing catalyst
WO2012148509A1 (en) 2011-04-26 2012-11-01 Celanese International Corporation Process for producing ethanol using a stacked bed reactor
US9272970B2 (en) 2010-07-09 2016-03-01 Celanese International Corporation Hydrogenolysis of ethyl acetate in alcohol separation processes
US9024083B2 (en) 2010-07-09 2015-05-05 Celanese International Corporation Process for the production of ethanol from an acetic acid feed and a recycled ethyl acetate feed
US8754268B2 (en) 2011-04-26 2014-06-17 Celanese International Corporation Process for removing water from alcohol mixtures
US9073816B2 (en) 2011-04-26 2015-07-07 Celanese International Corporation Reducing ethyl acetate concentration in recycle streams for ethanol production processes
US8592635B2 (en) 2011-04-26 2013-11-26 Celanese International Corporation Integrated ethanol production by extracting halides from acetic acid
US8895786B2 (en) 2011-08-03 2014-11-25 Celanese International Corporation Processes for increasing alcohol production
US8614359B2 (en) 2011-11-09 2013-12-24 Celanese International Corporation Integrated acid and alcohol production process
US8686201B2 (en) 2011-11-09 2014-04-01 Celanese International Corporation Integrated acid and alcohol production process having flashing to recover acid production catalyst
US8653303B2 (en) 2012-01-26 2014-02-18 Celanese International Corporation Processes for preparing acetic anhydride
US8759576B2 (en) 2012-09-06 2014-06-24 Celanese International Corporation Processes for purifying acetic anhydride
US8975450B2 (en) 2013-03-15 2015-03-10 Celanese International Corporation Ethanol and ethyl acetate production using an acetic acid and acetic anhydride mixed feed
US20150014150A1 (en) * 2013-07-11 2015-01-15 Celanese Acetate Llc Process for Energy Recovery in Purifying Carboxylic Anhydride for Manufacturing Cellulose Esters

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504195A (en) * 1950-04-18 Heatcd
US2159146A (en) * 1933-12-12 1939-05-23 Melle Usines Sa Process for the separation of acetic anhydride
US2670355A (en) * 1950-02-23 1954-02-23 Barsky Manufacture of maleic anhydride
US2688635A (en) * 1951-05-24 1954-09-07 Allied Chem & Dye Corp Process for the production of ketene or acetic anhydride from a mixture of acetic acid and formic acid
US2703309A (en) * 1951-08-28 1955-03-01 Eastman Kodak Co Purification of acids from the manufacture of anhydrides
BE518997A (de) * 1952-04-24
DE1202778B (de) * 1963-07-13 1965-10-14 Basf Ag Verfahren zur kontinuierlichen Aufarbeitung von Essigsaeure enthaltenden Gemischen
AT274743B (de) * 1967-09-28 1969-09-25 Krems Chemie Gmbh Verfahren und Vorrichtung zur kontinuierlichen Fraktionierung von Tallöl oder andern organischen Mehrstoffgemischen

Also Published As

Publication number Publication date
IT1053824B (it) 1981-10-10
FR2300066A1 (fr) 1976-09-03
JPS51122018A (en) 1976-10-25
GB1520684A (en) 1978-08-09
NL7600766A (nl) 1976-08-12
DE2505471A1 (de) 1976-08-19
DE2505471C3 (de) 1982-05-06
US4107002A (en) 1978-08-15
CH601163A5 (de) 1978-06-30
FR2300066B1 (de) 1978-11-10
JPS5525172B2 (de) 1980-07-04
DE2505471B2 (de) 1978-08-03

Similar Documents

Publication Publication Date Title
FR2300066A1 (fr) Procede de purification de l'anhydride acetique brut par distillation fractionnee continue
FR2325640A1 (fr) Purification des acides alcanesulfoniques par distillation
BE872622A (fr) Procede de purification de plyethers bruts
BE825761A (fr) Procede d'obtention d'acide acetique techniquement pur par distillation extractive
FR2314170A1 (fr) Procede de preparation d'ester methacrylique purifie
BE860555A (fr) Procede de preparation d'acides carboxyliques par carbonylation
BE814923A (fr) Procede de purification de l'acide monochloracetique brut
BE857706R (fr) Procede de preparation continue d'aldehydes par hydroformylation
BE856249A (fr) Procede de purification du dibenzylidene sorbitol brut
FR2319618A1 (fr) Procede de purification de courants d'acide acetique par distillation et nouveau produit ainsi obtenu
FR2336412A1 (fr) Procede nouveau de synthese de la 3', 4'-didesoxykanamycine b''
BE880865A (fr) Procede de purification d'acides dicarboxyliques obtenus par fermentation
BE864305A (fr) Procede de purification d'olefines fort cristallines
BE864467A (fr) Procede de purification de benzene et de toluene par distillation azotropique-extractive
FR2322125A1 (fr) Procede de preparation d'acide terephtalique purifie
BE863268R (fr) Procede de preparation continue d'aldehydes par hydroformylation
BE793981A (fr) Procede d'isolement de l'acide acetique par rectification extractive
BE844149A (fr) Procede de purification par distillation des dioxo-2,5-oxa-1-phospholanes-2
BE863267R (fr) Procede de preparation continue d'aldehydes par hydroformylation
BE837497A (fr) Procede continu de production de gamma-butyrolactone par hydrogenation catalytique d'anhydride maleique
RO74667A (ro) Procedeu pentru prepararea unor acizi 7 beta-(d-2-amino-2-(alchilsulfonilaminofenil)-acetilamino)-3-alcoxi-3-cefem-4-carboxilici
BE863180A (fr) Procede de purification d'hydrocarbures par adsorption
FR2307788A1 (fr) Procede de purification d'acides benzenes dicarboxyliques
BE867874A (fr) Procede de recuperation d'alkylene-glycols par distillation azeotrope
BE812814A (fr) Procede de separation d'hydrocarbures aromatiques par distillation extractive

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WACKER-CHEMIE G.M.B.H.

Effective date: 19890228