SU584758A3 - Способ выделени винилацетата - Google Patents

Способ выделени винилацетата

Info

Publication number
SU584758A3
SU584758A3 SU7301964146A SU1964146A SU584758A3 SU 584758 A3 SU584758 A3 SU 584758A3 SU 7301964146 A SU7301964146 A SU 7301964146A SU 1964146 A SU1964146 A SU 1964146A SU 584758 A3 SU584758 A3 SU 584758A3
Authority
SU
USSR - Soviet Union
Prior art keywords
methanol
column
solvent
vinyl acetate
acetate
Prior art date
Application number
SU7301964146A
Other languages
English (en)
Russian (ru)
Inventor
Фридрих Герхард
Хек Гюнтер
Щмидт Адольф
Original Assignee
Хехст Аг (Фирма)
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
Priority claimed from DE19722252276 external-priority patent/DE2252276C2/de
Priority claimed from DE19732342144 external-priority patent/DE2342144C3/de
Application filed by Хехст Аг (Фирма) filed Critical Хехст Аг (Фирма)
Application granted granted Critical
Publication of SU584758A3 publication Critical patent/SU584758A3/ru

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
    • C07C29/84—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation by extractive 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
    • B01D3/40—Extractive distillation
    • 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
    • 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
    • Y10S203/10—Vinyl acetate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
SU7301964146A 1972-10-25 1973-10-23 Способ выделени винилацетата SU584758A3 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722252276 DE2252276C2 (de) 1972-10-25 1972-10-25 Verfahren zur gewinnung von vinylacetat aus gemischen, die im wesentlichen vinylacetat und methanol und als verunreinigung methylacetat und acetaldehyd enthalten
DE19732342144 DE2342144C3 (de) 1973-08-21 Verfahren zur Gewinnung von Vinylacetat aus Gemischen, die im wesentlichen Vinylacetat und Methanol und als Verunreinigung Methylacetat und Acetaldehyd enthalten

Publications (1)

Publication Number Publication Date
SU584758A3 true SU584758A3 (ru) 1977-12-15

Family

ID=25764004

Family Applications (1)

Application Number Title Priority Date Filing Date
SU7301964146A SU584758A3 (ru) 1972-10-25 1973-10-23 Способ выделени винилацетата

Country Status (9)

Country Link
US (1) US3855078A (enExample)
JP (1) JPS5738567B2 (enExample)
DD (1) DD107013A5 (enExample)
ES (1) ES419805A1 (enExample)
FR (1) FR2204609B1 (enExample)
GB (1) GB1419465A (enExample)
IT (1) IT998900B (enExample)
NL (1) NL185202C (enExample)
SU (1) SU584758A3 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473444A (en) * 1981-02-09 1984-09-25 National Distillers And Chemical Corporation Extractive distillation of alcohol-ester mixtures
US4431838A (en) * 1981-02-09 1984-02-14 National Distillers And Chemical Corporation Extractive distillation of alcohol-ester mixtures and transesterification
US7550065B2 (en) * 2005-04-21 2009-06-23 Lyondell Chemical Technology, L.P. Method for recovering solvents
WO2009142616A1 (en) * 2007-12-21 2009-11-26 Celanese International Corporation Process for making low color polyvinyl alcohol
CN109851499B (zh) * 2018-12-24 2022-02-15 天津大学 一种利用共沸精馏分离醋酸乙烯酯中苯的方法及装置
CN110028408A (zh) * 2019-04-28 2019-07-19 青岛科技大学 一种部分热耦合萃取精馏分离乙酸乙酯-乙醇-水混合物的方法
CN115093041B (zh) * 2022-02-22 2024-02-13 杨自林 生产5-氨基-2-硝基三氟甲苯产生的工业废水的资源化处理方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2349807A (en) * 1941-08-30 1944-05-30 Carbide & Carbon Chem Corp Recovery of vinyl acetate from solvent mixtures
US2575244A (en) * 1948-09-08 1951-11-13 Standard Oil Dev Co Process for separating ketones from close-boiling mixtures
US2622060A (en) * 1950-01-26 1952-12-16 Celanese Corp Purification of 1,2-propylene oxide
US3350417A (en) * 1964-02-12 1967-10-31 Monsanto Co Production and recovery of propylene oxide by plural stage distillation and caustic addition
US3636087A (en) * 1966-09-12 1972-01-18 Atlantic Richfield Co Vinyl acetate recovery process
US3616271A (en) * 1968-10-25 1971-10-26 Du Pont Separation of chloroform and/or ethyl acetate from vinyl acetate by extractive distillation
US3551299A (en) * 1968-12-18 1970-12-29 Celanese Corp Method of minimizing polymer formation during distillation of vinyl acetate by the addition of alphamethyl styrene
US3691021A (en) * 1970-03-26 1972-09-12 Nat Distillers Chem Corp Process for purification of vinyl acetate by extractive distillation

Also Published As

Publication number Publication date
NL185202C (nl) 1990-02-16
DD107013A5 (enExample) 1974-07-12
ES419805A1 (es) 1976-07-16
IT998900B (it) 1976-02-20
NL185202B (nl) 1989-09-18
GB1419465A (en) 1975-12-31
JPS5738567B2 (enExample) 1982-08-16
US3855078A (en) 1974-12-17
FR2204609A1 (enExample) 1974-05-24
FR2204609B1 (enExample) 1977-08-12
JPS4975509A (enExample) 1974-07-20
NL7314426A (enExample) 1974-04-29

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