IT976825B - Procedimento ed apparecchiatura per separare acido acetico mediante rettificazione estrattiva - Google Patents

Procedimento ed apparecchiatura per separare acido acetico mediante rettificazione estrattiva

Info

Publication number
IT976825B
IT976825B IT47616/73A IT4761673A IT976825B IT 976825 B IT976825 B IT 976825B IT 47616/73 A IT47616/73 A IT 47616/73A IT 4761673 A IT4761673 A IT 4761673A IT 976825 B IT976825 B IT 976825B
Authority
IT
Italy
Prior art keywords
procedure
equipment
acetic acid
extractive rectification
separate acetic
Prior art date
Application number
IT47616/73A
Other languages
English (en)
Original Assignee
Huels Chemische Werke 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 Huels Chemische Werke Ag filed Critical Huels Chemische Werke Ag
Application granted granted Critical
Publication of IT976825B publication Critical patent/IT976825B/it

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
    • C07C51/42—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
    • 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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
IT47616/73A 1972-01-15 1973-01-11 Procedimento ed apparecchiatura per separare acido acetico mediante rettificazione estrattiva IT976825B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2201827A DE2201827C3 (de) 1972-01-15 1972-01-15 Verfahren zur Gewinnung von Essigsäure durch Extrakffvrektifikation

Publications (1)

Publication Number Publication Date
IT976825B true IT976825B (it) 1974-09-10

Family

ID=5833076

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47616/73A IT976825B (it) 1972-01-15 1973-01-11 Procedimento ed apparecchiatura per separare acido acetico mediante rettificazione estrattiva

Country Status (8)

Country Link
US (1) US3878241A (it)
JP (1) JPS5320488B2 (it)
BE (1) BE793981A (it)
DE (1) DE2201827C3 (it)
FR (1) FR2168314B1 (it)
GB (1) GB1407523A (it)
IT (1) IT976825B (it)
NL (1) NL7300525A (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2545730A1 (de) * 1975-10-11 1977-04-21 Basf Ag Verfahren zur reindarstellung von ameisensaeure
FR2466448A1 (fr) * 1979-10-01 1981-04-10 Propylox Sa Procede pour la recuperation d'acides carboxyliques a partir de melanges contenant des esters de glycols derives de ces acides
NL8103517A (nl) * 1981-07-24 1983-02-16 Badger Bv Werkwijze voor het scheiden van carbonzuren van mengsels met niet-zuren door een absorptie-stripbehandeling.
US8987509B2 (en) 2009-08-27 2015-03-24 Iogen Energy Corporation Recovery of volatile carboxylic acids by extractive evaporation
US8981146B2 (en) 2009-08-27 2015-03-17 Iogen Energy Corporation Recovery of volatile carboxylic acids by a stripper-extractor system
CN101704734B (zh) * 2009-11-20 2013-03-06 南京昂扬化工有限公司 一种偏苯三酸酐生产过程中稀醋酸的回收方法
US8864950B2 (en) * 2011-10-03 2014-10-21 Celanese International Corporation Processes for producing acrylic acids and acrylates
US10758838B2 (en) * 2015-02-25 2020-09-01 Sabic Global Technologies B.V. Process for removing impurities from acetic acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2126611A (en) * 1937-03-31 1938-08-09 Dow Chemical Co Purification and decolorization of acetic acid
US2313386A (en) * 1941-02-08 1943-03-09 Levesque Jean Process for concentration and extraction of acetic acid in aqueous solutions

Also Published As

Publication number Publication date
DE2201827B2 (it) 1974-09-05
DE2201827C3 (de) 1975-05-22
NL7300525A (it) 1973-07-17
FR2168314B1 (it) 1977-02-04
JPS5320488B2 (it) 1978-06-27
JPS4880510A (it) 1973-10-29
BE793981A (fr) 1973-05-02
US3878241A (en) 1975-04-15
DE2201827A1 (de) 1973-07-19
FR2168314A1 (it) 1973-08-31
GB1407523A (en) 1975-09-24

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