FR2398037A1 - Procede de separation d'acide methacrylique d'un melange d'esterification - Google Patents

Procede de separation d'acide methacrylique d'un melange d'esterification

Info

Publication number
FR2398037A1
FR2398037A1 FR7821746A FR7821746A FR2398037A1 FR 2398037 A1 FR2398037 A1 FR 2398037A1 FR 7821746 A FR7821746 A FR 7821746A FR 7821746 A FR7821746 A FR 7821746A FR 2398037 A1 FR2398037 A1 FR 2398037A1
Authority
FR
France
Prior art keywords
methacrylic acid
esterification mixture
methyl methacrylate
separating
separating methacrylic
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR7821746A
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
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 JP8799177A external-priority patent/JPS5424814A/ja
Priority claimed from JP8798977A external-priority patent/JPS5424812A/ja
Priority claimed from JP8799077A external-priority patent/JPS5424813A/ja
Application filed by Mitsubishi Kasei Corp filed Critical Mitsubishi Kasei Corp
Publication of FR2398037A1 publication Critical patent/FR2398037A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/43Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C07C51/46Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7821746A 1977-07-22 1978-07-21 Procede de separation d'acide methacrylique d'un melange d'esterification Withdrawn FR2398037A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8799177A JPS5424814A (en) 1977-07-22 1977-07-22 Separation of methyl methacrylate
JP8798977A JPS5424812A (en) 1977-07-22 1977-07-22 Separation of methyl methacrylate
JP8799077A JPS5424813A (en) 1977-07-22 1977-07-22 Separation of methacrylic acid

Publications (1)

Publication Number Publication Date
FR2398037A1 true FR2398037A1 (fr) 1979-02-16

Family

ID=27305652

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7821746A Withdrawn FR2398037A1 (fr) 1977-07-22 1978-07-21 Procede de separation d'acide methacrylique d'un melange d'esterification

Country Status (5)

Country Link
CS (1) CS214895B2 (nl)
DE (1) DE2832202A1 (nl)
FR (1) FR2398037A1 (nl)
GB (1) GB2001315B (nl)
NL (1) NL7807420A (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3161884D1 (en) * 1980-06-20 1984-02-16 Asahi Chemical Ind Process for purifying methyl methacrylate
US4464229A (en) * 1981-07-09 1984-08-07 Nippon Shokubai Kagaku Kogyo Co. Ltd. Process for producing acrylic or methacrylic esters
US4554054A (en) * 1983-12-09 1985-11-19 Rohm And Haas Company Methacrylic acid separation
US4879412A (en) * 1985-03-14 1989-11-07 Mitsui Toatsu Chemicals, Inc. Purification process of methacrylic acid
US5435892A (en) * 1993-08-30 1995-07-25 Mitsubishi Rayon Co., Ltd. Process for separating methanol and methyl acrylate or methyl methacrylate
US6084127A (en) * 1997-02-28 2000-07-04 Nippon Shokubai Co Ltd Method for recovering acrylic acid

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1579107A (nl) * 1967-07-11 1969-08-22
FR2002126A1 (nl) * 1968-02-17 1969-10-03 Knapsack Ag
FR2202876A1 (en) * 1972-10-10 1974-05-10 Nippon Catalytic Chem Ind Acrylic or methacrylic esters - by continuous esterification of acrylic or methacrylic acid with methanol or ethanol

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1579107A (nl) * 1967-07-11 1969-08-22
FR2002126A1 (nl) * 1968-02-17 1969-10-03 Knapsack Ag
FR2202876A1 (en) * 1972-10-10 1974-05-10 Nippon Catalytic Chem Ind Acrylic or methacrylic esters - by continuous esterification of acrylic or methacrylic acid with methanol or ethanol

Also Published As

Publication number Publication date
CS214895B2 (en) 1982-06-25
NL7807420A (nl) 1979-01-24
GB2001315B (en) 1982-03-24
GB2001315A (en) 1979-01-31
DE2832202A1 (de) 1979-02-01

Similar Documents

Publication Publication Date Title
EP0618187B1 (en) Process for producing acrylic or methacrylic esters
FR2475037B1 (fr) Procede de separation d'acide methacrylique a partir d'un melange reactionnel gazeux le renfermant et nouveau produit ainsi obtenu
FR2341343A1 (fr) Procede pour separer des substances d'un melange liquide par cristallisation fractionnee
FR2288728A1 (fr) Procede de separation d'un citrate ou de l'acide citrique d'un liquide de fermentation
DK555684A (da) Fremgangsmaade til genraffinering af smoereolier
BE847120A (fr) Procede pour separer les solides d'un liquide lors du trairement d'eaux usees chargees de dechets organiques,
FR2398037A1 (fr) Procede de separation d'acide methacrylique d'un melange d'esterification
FR2430391B1 (fr) Procede pour separer l'iode d'un melange liquide contenant de l'iode, de l'acide iodhydrique et de l'eau
MA19287A1 (fr) Procede pour entrainer l'uranium d'un acide alcoypyrophosphorique .
FR2383903A1 (fr) Procede de separation des isoolefines et des olefines
FR2383768A1 (fr) Procede pour separer et recuperer du polystyrene a partir de materiaux le contenant
FR2416933A1 (fr) Procede de separation, en ses constituants, d'un melange d'hydrocarbures
BE817367A (fr) Procede de separation d'eau a partir de melanges organiques a plusieurs constituants par distillation
MY105203A (en) A process and an apparatus for the separation of propylene glycol.
SU445645A1 (ru) Способ выделени низкомолекул рных монокарбоновых кислот с1-с4 из водных растворов
BE902823A (fr) Procede de raffinage de tertio-butylstyrene
FR2362079A1 (fr) Procede pour le traitement d'acide nitrique
BE879198A (fr) Appareil pour l'extraction, par un liquide, de produits faisant partie de matieres solides
BR8801711A (pt) Processo de preparacao de lactatos de alquila oticamente puros
GB1314054A (en) Separation of acetic acid water and formic acid
FR2405918A1 (fr) Procede d'extraction d'esters de glycols vicinaux purifies
KR890006551A (ko) 분리 방법
FR2606663B1 (fr) Procede de separation extractive d'un acide carboxylique a partir d'une solution aqueuse dudit acide
DE3166509D1 (en) Process for the manufacture of n-tert.-alkylamines and formic-acid esters
JPS567731A (en) Separation of methyl acetate, methanol, and water

Legal Events

Date Code Title Description
ST Notification of lapse