IT1015755B - Processo per la separazione median te distillazione di acqua da misce le di piu sostanze organiche - Google Patents

Processo per la separazione median te distillazione di acqua da misce le di piu sostanze organiche

Info

Publication number
IT1015755B
IT1015755B IT24924/74A IT2492474A IT1015755B IT 1015755 B IT1015755 B IT 1015755B IT 24924/74 A IT24924/74 A IT 24924/74A IT 2492474 A IT2492474 A IT 2492474A IT 1015755 B IT1015755 B IT 1015755B
Authority
IT
Italy
Prior art keywords
distillation
mixtures
separation
water
organic substances
Prior art date
Application number
IT24924/74A
Other languages
English (en)
Original Assignee
Hoechst 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
Priority claimed from DE19732335673 external-priority patent/DE2335673C3/de
Application filed by Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of IT1015755B publication Critical patent/IT1015755B/it

Links

Classifications

    • 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
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C07C51/46—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (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)
IT24924/74A 1973-07-13 1974-07-08 Processo per la separazione median te distillazione di acqua da misce le di piu sostanze organiche IT1015755B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732335673 DE2335673C3 (de) 1973-07-13 Verfahren zur destillativen Abtrennung von Wasser aus organischen Mehrstoff gemischen

Publications (1)

Publication Number Publication Date
IT1015755B true IT1015755B (it) 1977-05-20

Family

ID=5886819

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24924/74A IT1015755B (it) 1973-07-13 1974-07-08 Processo per la separazione median te distillazione di acqua da misce le di piu sostanze organiche

Country Status (17)

Country Link
US (1) US4229261A (it)
JP (1) JPS5843122B2 (it)
AR (1) AR200200A1 (it)
BE (1) BE817367A (it)
BR (1) BR7405622D0 (it)
CA (1) CA1027062A (it)
CS (1) CS185655B2 (it)
DD (1) DD112078A5 (it)
ES (1) ES428042A1 (it)
FR (1) FR2236536B1 (it)
GB (1) GB1447741A (it)
IT (1) IT1015755B (it)
NL (1) NL7409208A (it)
PL (1) PL90012B1 (it)
RO (1) RO69229A (it)
SU (1) SU560519A3 (it)
ZA (1) ZA744200B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53116314A (en) * 1977-03-19 1978-10-11 Mitsui Petrochem Ind Ltd Separation of acetic acid and water
DE2943985A1 (de) * 1979-10-31 1981-05-14 Hoechst Ag, 6000 Frankfurt Verfahren zur abtrennung von wasser aus gemischen mit vinylacetat und essigsaeure
DE3131981A1 (de) * 1981-08-13 1983-02-24 Bayer Ag, 5090 Leverkusen Verfarhen zur aufarbeitung von rohem, fluessigem vinylacetat
US4623432A (en) * 1984-04-23 1986-11-18 Amoco Corporation Removal of brominated organics from acetic acid obtained by oxidation of liquid butane in presence of Co-Br or Co-Mn-Br system catalysis
US4623447A (en) * 1985-08-02 1986-11-18 Pennzoil Company Breaking middle phase emulsions
US5225048A (en) * 1991-01-29 1993-07-06 Athens Corp. Method for concentration of liquids
US5443695A (en) * 1993-02-26 1995-08-22 Athens Corporation Distillation apparatus for concentrating less volatile liquids
CN104844444B (zh) * 2015-03-26 2017-03-01 南京师范大学 单侧线热集成共沸精馏法提取含盐醋酸水溶液中醋酸的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2048178A (en) * 1930-11-21 1936-07-21 Shell Dev Process for dehydrating organic compounds
US2414761A (en) * 1942-07-31 1947-01-21 Dow Chemical Co Separation of hydrocarbons having different degrees of saturation
US2794773A (en) * 1950-12-20 1957-06-04 Phillips Petroleum Co Separation of hydrocarbon types by azeotropic distillation
US2692227A (en) * 1950-12-20 1954-10-19 Phillips Petroleum Co Azeotropic distillation of straight chain paraffins from mixtures with branched chain paraffins with perfluoro compounds
US2729600A (en) * 1951-08-29 1956-01-03 Exxon Research Engineering Co Azeotropic dehydration of maleic acid to anhydride
US2859154A (en) * 1955-09-26 1958-11-04 Donald F Othmer Process for concentrating acetic acid and other lower fatty acids using entrainers for the acids
US3052610A (en) * 1960-05-19 1962-09-04 Kurashiki Rayon Co Concentration of acetic acid
FR1490688A (fr) * 1966-06-22 1967-08-04 Melle Usines Sa Procédé pour séparer les constituants de mélanges azéotropiques de méthanol et d'ester aliphatique inférieur
DE1282014C2 (de) * 1967-01-12 1969-07-17 Hoechst Ag Verfahren zur Gewinnung von Vinylestern und Carbonsaeuren
US3692636A (en) * 1969-11-28 1972-09-19 Celanese Corp Separation of a mixture comprising vinyl acetate,ethyl acetate,and acetic acid by distillation

Also Published As

Publication number Publication date
DE2335673A1 (de) 1975-02-06
PL90012B1 (it) 1976-12-31
FR2236536B1 (it) 1979-02-16
BE817367A (fr) 1975-01-08
DE2335673B2 (de) 1976-08-05
CA1027062A (en) 1978-02-28
FR2236536A1 (it) 1975-02-07
BR7405622D0 (pt) 1975-05-13
ES428042A1 (es) 1976-07-16
AU7095574A (en) 1976-01-08
RO69229A (ro) 1980-12-30
JPS5843122B2 (ja) 1983-09-24
AR200200A1 (es) 1974-10-24
NL7409208A (nl) 1975-01-15
US4229261A (en) 1980-10-21
DD112078A5 (it) 1975-03-20
GB1447741A (en) 1976-08-25
ZA744200B (en) 1975-07-30
SU560519A3 (ru) 1977-05-30
JPS5039285A (it) 1975-04-11
CS185655B2 (en) 1978-10-31

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