BE762518A - Procede de separation de l'acide acrylique d'un acide acryliquebrut aqueux - Google Patents

Procede de separation de l'acide acrylique d'un acide acryliquebrut aqueux

Info

Publication number
BE762518A
BE762518A BE762518A BE762518A BE762518A BE 762518 A BE762518 A BE 762518A BE 762518 A BE762518 A BE 762518A BE 762518 A BE762518 A BE 762518A BE 762518 A BE762518 A BE 762518A
Authority
BE
Belgium
Prior art keywords
acrylic acid
separating
raw aqueous
aqueous acrylic
raw
Prior art date
Application number
BE762518A
Other languages
English (en)
Original Assignee
Knapsack 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 Knapsack Ag filed Critical Knapsack Ag
Publication of BE762518A publication Critical patent/BE762518A/fr

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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • 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
    • Y10S203/22—Accessories

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE762518A 1970-02-05 1971-02-04 Procede de separation de l'acide acrylique d'un acide acryliquebrut aqueux BE762518A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702005163 DE2005163A1 (de) 1970-02-05 1970-02-05 Verfahren zur Abtrennung von Acrylsäure aus wäßriger Rohacrylsaure

Publications (1)

Publication Number Publication Date
BE762518A true BE762518A (fr) 1971-08-04

Family

ID=5761469

Family Applications (1)

Application Number Title Priority Date Filing Date
BE762518A BE762518A (fr) 1970-02-05 1971-02-04 Procede de separation de l'acide acrylique d'un acide acryliquebrut aqueux

Country Status (7)

Country Link
US (1) US3689541A (fr)
BE (1) BE762518A (fr)
CA (1) CA933181A (fr)
DE (1) DE2005163A1 (fr)
FR (1) FR2078302A5 (fr)
GB (1) GB1285842A (fr)
NL (1) NL7101312A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2104506C3 (de) * 1971-02-01 1974-07-18 Knapsack Ag, 5033 Huerth-Knapsack Verfahren zur Abtrennung von Acrylsäure und Essigsäure aus wäßriger Rohacrylsäure
US3855081A (en) * 1971-04-20 1974-12-17 Bp Chem Int Ltd Chemical process
NL180579C (nl) * 1972-05-24 1987-03-16 Sumitomo Chemical Co Werkwijze voor het scheiden van een mengsel bestaande uit acrylzuur, azijnzuur en water.
US5154800A (en) * 1992-01-31 1992-10-13 Lloyd Berg Dehydration of acrylic acid by extractive distillation
JP3937462B2 (ja) * 1994-08-04 2007-06-27 三菱化学株式会社 アクリル酸精製法
FR2736912B1 (fr) * 1995-07-18 1997-08-22 Atochem Elf Sa Procede de purification de l'acide acrylique obtenu par oxydation catalytique du propylene
JP3028925B2 (ja) * 1995-12-05 2000-04-04 株式会社日本触媒 アクリル酸の製造方法
JP2001226320A (ja) 2000-02-14 2001-08-21 Nippon Shokubai Co Ltd アクリル酸の捕集方法およびアクリル酸の精製方法
US6888025B2 (en) * 2000-02-14 2005-05-03 Nippon Shokubai, Co. Ltd. Method for absorbing acrylic acid and method for purifying acrylic acid
US6737546B2 (en) * 2001-11-13 2004-05-18 Lurgi Ag Extraction process for recovery of acrylic acid
ZA200303241B (en) 2002-05-01 2003-11-04 Rohm & Haas Improved process for methacrylic acid and methcrylic acid ester production.
US7128813B2 (en) * 2002-05-01 2006-10-31 Rohm And Haas Company Process for manufacturing high purity methacrylic acid
US20070068792A1 (en) * 2005-09-23 2007-03-29 Jang Jiyoung System and method for acetic acid dehydration
FR2934264B1 (fr) 2008-07-22 2012-07-20 Arkema France Fabrication d'esters de vinyle a partir de matieres renouvelables, esters de vinyle obtenus et utilisations
FR2935971B1 (fr) 2008-09-16 2010-11-19 Arkema France Acide bio-acrylique de grade polymere et son procede de fabrication a partir de glycerol.
FR2948365B1 (fr) 2009-07-22 2011-09-09 Arkema France Procede de fabrication d'acide acrylique bio-ressource a partir de glycerol
FR2957594B1 (fr) * 2010-03-18 2013-04-26 Arkema France Procede de fabrication d'acide acrylique bio-ressource de grade polymere a partir de glycerol
US9249081B2 (en) * 2011-12-16 2016-02-02 Celanese International Corporation Processes for the production of acrylic acids and acrylates

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526508A (en) * 1948-08-19 1950-10-17 Standard Oil Dev Co Recovery of fatty acids from dilute aqueous solutions
GB995472A (en) * 1963-05-16 1965-06-16 Distillers Co Yeast Ltd Improvements in or relating to acrylic acid production
GB997324A (en) * 1963-06-20 1965-07-07 Distillers Co Yeast Ltd Improvements in or relating to the production of acrylic acid
GB997325A (en) * 1963-06-20 1965-07-07 Distillers Co Yeast Ltd Recovery of acrylic acid
US3433831A (en) * 1965-06-30 1969-03-18 Asahi Chemical Ind Separation and purification of acrylic acid from acetic acid by solvent extraction and azeotropic distillation with a two component solvent-entrainer system
US3555082A (en) * 1966-12-15 1971-01-12 Knapsack Ag Process for isolating acrylic acid from the reaction gases obtained by oxidation of propylene or acrolein
DE1618612B2 (de) * 1967-06-29 1973-03-15 Knapsack AG, 5033 Hurth Knapsack Verfahren zur gewinnung reiner acrylsaeure aus waessriger rohsaeure

Also Published As

Publication number Publication date
CA933181A (en) 1973-09-04
FR2078302A5 (fr) 1971-11-05
NL7101312A (fr) 1971-08-09
US3689541A (en) 1972-09-05
GB1285842A (en) 1972-08-16
DE2005163A1 (de) 1971-08-19

Similar Documents

Publication Publication Date Title
BE775320A (fr) Procede de separation d'acide fluorhydrique
BE762518A (fr) Procede de separation de l'acide acrylique d'un acide acryliquebrut aqueux
BE814762A (fr) Procede de separation de l'acide acrylique de ses solutions aqueuses
BE775252A (fr) Procede de preparation d'acide acrylique
RO64362A (fr) Procede pour separer de l'acide acrylique de l'acide acroqueux brut
BE760837A (fr) Procede de preparation d'acide 6-aminopenicillanique
BE760832A (fr) Procede de separation de l'acide acrylique d'un acide acryliquebrut aqueux
BE779549A (fr) Procede de purification de l'acide acrylique
BE775212A (fr) Procede de separation des isotopes de l'uranium
BE770319A (fr) Procede de dissociation de l'acide sulfurique
BE772277A (fr) Procede de purification de l'acide terephtalique
BE777297A (fr) Procede de production des esters alkyliques inferieurs de l'acide cis-chrysantheme-monocarboxylique
BE798773A (fr) Procede de production d'un sel hydrosoluble d'un acide carboxyalkoxy-succinique
BE780450A (fr) Procede de purification d'acide cyanurique
BE802805A (fr) Procede de separation d'un sel de tetra-alkylammonium
BE777259A (fr) Procede de separation d'acides gras
BE764364A (fr) Procede de preparation d'acide levulinique
BE819763R (fr) Procede de separation d'acide fluorhydrique
BE761652A (fr) Procede de preparation d'un phenol a partir d'un acide benzene-monocarboxylique
BE804526A (fr) Procede ameliore pour la recuperation de l'acide cyanhydrique
BE759328A (fr) Procede de separation de melanges d'acides
BE791400A (fr) Procede de production d'acide sulfurique
BE749977A (fr) Procede de separation d'une solution
BE747408A (fr) Procede de production d'acide oxalique
BE772474A (fr) Procede de separation d'acide citrique