DK127184B - Process for working up crude liquid vinyl acetate. - Google Patents

Process for working up crude liquid vinyl acetate.

Info

Publication number
DK127184B
DK127184B DK254969AA DK254969A DK127184B DK 127184 B DK127184 B DK 127184B DK 254969A A DK254969A A DK 254969AA DK 254969 A DK254969 A DK 254969A DK 127184 B DK127184 B DK 127184B
Authority
DK
Denmark
Prior art keywords
working
vinyl acetate
crude liquid
liquid vinyl
crude
Prior art date
Application number
DK254969AA
Other languages
Danish (da)
Inventor
W Kroenig
W Schwerdtel
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of DK127184B publication Critical patent/DK127184B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/36—Azeotropic distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/04—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds
    • C07C67/05—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation
    • C07C67/055—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation in the presence of platinum group metals or their compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/62—Use of additives, e.g. for stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK254969AA 1968-05-10 1969-05-09 Process for working up crude liquid vinyl acetate. DK127184B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1768412A DE1768412C3 (en) 1968-05-10 1968-05-10 Process for the production of vinyl acetate

Publications (1)

Publication Number Publication Date
DK127184B true DK127184B (en) 1973-10-01

Family

ID=5699737

Family Applications (1)

Application Number Title Priority Date Filing Date
DK254969AA DK127184B (en) 1968-05-10 1969-05-09 Process for working up crude liquid vinyl acetate.

Country Status (18)

Country Link
JP (1) JPS5411287B1 (en)
AT (1) AT292651B (en)
BE (1) BE732822A (en)
BG (1) BG18854A3 (en)
BR (1) BR6908673D0 (en)
CH (1) CH539598A (en)
CS (1) CS150977B2 (en)
DE (1) DE1768412C3 (en)
DK (1) DK127184B (en)
ES (1) ES366991A1 (en)
FR (1) FR2008280A1 (en)
GB (1) GB1271104A (en)
LU (1) LU58600A1 (en)
NL (1) NL6907165A (en)
NO (1) NO131073C (en)
PL (1) PL87130B1 (en)
RO (1) RO55233A (en)
SE (1) SE366023B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2945913A1 (en) * 1979-11-14 1981-06-04 Hoechst Ag, 6000 Frankfurt Separating water from vinyl acetate and acetic acid mixt. - by azeotrope-former addn. and aq. phase separation
GB9821970D0 (en) * 1998-10-08 1998-12-02 Bp Chem Int Ltd Process for purifying a process system
DE102010001097A1 (en) 2010-01-21 2011-07-28 Wacker Chemie AG, 81737 Process for the preparation of vinyl acetate
US8884052B2 (en) * 2011-12-15 2014-11-11 Celanese International Corporation Production of diacetoxyethylene by direct acetoxylation
US11254636B2 (en) * 2019-08-05 2022-02-22 Lyondellbasell Acetyls, Llc Ethyl acetate removal during VAM production

Also Published As

Publication number Publication date
DE1768412A1 (en) 1971-09-30
BG18854A3 (en) 1975-03-20
BR6908673D0 (en) 1973-01-25
AT292651B (en) 1971-09-10
NO131073C (en) 1975-04-02
NL6907165A (en) 1969-11-12
CS150977B2 (en) 1973-09-17
DE1768412C3 (en) 1974-06-06
ES366991A1 (en) 1971-06-16
JPS5411287B1 (en) 1979-05-14
CH539598A (en) 1973-07-31
BE732822A (en) 1969-11-10
RO55233A (en) 1973-07-20
PL87130B1 (en) 1976-06-30
LU58600A1 (en) 1969-08-22
DE1768412B2 (en) 1973-11-15
FR2008280A1 (en) 1970-01-16
GB1271104A (en) 1972-04-19
SE366023B (en) 1974-04-08
NO131073B (en) 1974-12-23

Similar Documents

Publication Publication Date Title
DK123687B (en) Nozzle for cleaning textiles.
DK127415B (en) Process for the preparation of α-benzyl-β, β-dialkoxypropionitriles.
DK109129C (en) Process for the preparation of underground liquid reservoirs.
DK116432B (en) Continuous process for the extraction of molybdenum.
DK127184B (en) Process for working up crude liquid vinyl acetate.
DK106185C (en) Process for the preparation of 17α-acyloxy-4,6-pregnadien-20-ones.
DK123236B (en) Process for the preparation of 2-alkyl-3-hydoxy-4,5-dihydrofuran-4-ones.
DK135628B (en) Process for the continuous production of vinyl acetate.
DK125464C (en) Analogous process for the preparation of 6-halo-15β, 16β-methylene-pregnane derivatives.
DK121052B (en) Process for the preparation of steroid-17α, 21-orthocarbonates.
DK127166B (en) Process for recovering amylase inhibitor.
DK106328C (en) Process for the preparation of 17α-alkoxy-16-methylene-3,20-diketopregnane derivatives.
DK121759B (en) Analogous process for the preparation of 3-oxo-7α-methylgona-4,9-dienes.
DK120185B (en) Process for the production of vinyl acetate.
DK128680B (en) Analogous process for the preparation of phenazine derivatives.
DK112606B (en) Method for purifying insulin.
DK108251C (en) Method for recovering urokinase.
DK124882B (en) Analogous process for the preparation of 17α-acyloxy-11β-methyl-19-norpregn-4-ene-3,20-diones.
DK118291B (en) Analogous process for the preparation of 10α-alkoxy-9,10-dihydroergoline derivatives.
DK114758B (en) Method for stabilizing pigments.
DK120339B (en) Process for the preparation of 10-aminoalkyl-5,5-dialkyl acridanes.
DK118711B (en) Process for making beer.
DK120994B (en) Analogous process for the preparation of N, N-dimethylaminoethyl-14β-hydroxy-5β-pregn-20-ene-21-carboxylates.
DK114204B (en) Process for the preparation of carboxamidoalkyl-1,3-benzoxazines.
DK117956B (en) Process for the preparation of 3-oxogona-4,9-dienes.