BE779267A - Procede pour accelerer la separation de deux phases liquides dans l'extraction d'acide acrylique aqueux - Google Patents

Procede pour accelerer la separation de deux phases liquides dans l'extraction d'acide acrylique aqueux

Info

Publication number
BE779267A
BE779267A BE779267A BE779267A BE779267A BE 779267 A BE779267 A BE 779267A BE 779267 A BE779267 A BE 779267A BE 779267 A BE779267 A BE 779267A BE 779267 A BE779267 A BE 779267A
Authority
BE
Belgium
Prior art keywords
alkali metal
ammonium salt
addition
methacrylic acid
solvent extraction
Prior art date
Application number
BE779267A
Other languages
English (en)
Inventor
Susumu Otsuki
Kyoichi Hori
Isao Miyanohara
Original Assignee
Rohm & Haas
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 JP44092014A external-priority patent/JPS4936209B1/ja
Priority claimed from US00215911A external-priority patent/US3846488A/en
Priority claimed from DE2203612A external-priority patent/DE2203612A1/de
Application filed by Rohm & Haas filed Critical Rohm & Haas
Priority claimed from GB746272A external-priority patent/GB1377693A/en
Publication of BE779267A publication Critical patent/BE779267A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B01D17/047—Breaking emulsions with separation aids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0492—Applications, solvents used
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Description


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Claims (1)

  1. <EMI ID=49.1>
BE779267A 1969-11-17 1972-02-11 Procede pour accelerer la separation de deux phases liquides dans l'extraction d'acide acrylique aqueux BE779267A (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP44092014A JPS4936209B1 (fr) 1969-11-17 1969-11-17
US00215911A US3846488A (en) 1972-01-06 1972-01-06 Accelerating separation rate of two liquid phases in the extraction of aqueous acrylic acid
DE2203612A DE2203612A1 (de) 1972-01-26 1972-01-26 Verfahren zur beschleunigung der trennungsgeschwindigkeit einer organischen phase von einer waessrigen phase
FR7204499A FR2170985B1 (fr) 1972-01-06 1972-02-10
GB746272A GB1377693A (en) 1972-02-10 1972-02-17 Method of accelerating the separation velocity of acrylic and/or methacrylic acid from aqueous solution in solvent extraction

Publications (1)

Publication Number Publication Date
BE779267A true BE779267A (fr) 1972-08-11

Family

ID=27510235

Family Applications (1)

Application Number Title Priority Date Filing Date
BE779267A BE779267A (fr) 1969-11-17 1972-02-11 Procede pour accelerer la separation de deux phases liquides dans l'extraction d'acide acrylique aqueux

Country Status (1)

Country Link
BE (1) BE779267A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0541005A3 (en) * 1991-11-05 1993-11-18 Jgc Corp Liquid-liquid contactor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0541005A3 (en) * 1991-11-05 1993-11-18 Jgc Corp Liquid-liquid contactor

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