BE779549A - Procede de purification de l'acide acrylique - Google Patents

Procede de purification de l'acide acrylique

Info

Publication number
BE779549A
BE779549A BE779549A BE779549A BE779549A BE 779549 A BE779549 A BE 779549A BE 779549 A BE779549 A BE 779549A BE 779549 A BE779549 A BE 779549A BE 779549 A BE779549 A BE 779549A
Authority
BE
Belgium
Prior art keywords
acrylic acid
purification process
acid purification
acrylic
purification
Prior art date
Application number
BE779549A
Other languages
English (en)
Inventor
Shiro Maezawa
Hiroshi Yoshikawa
Kenji Sakamoto
Jun Fujii
Makoto Hashimoto
Original Assignee
Standard Oil Co
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 to CA133,519A priority Critical patent/CA962698A/en
Priority to GB573872A priority patent/GB1346737A/en
Priority to NL7201773A priority patent/NL7201773A/xx
Priority to FR7205027A priority patent/FR2171910B1/fr
Priority to DE2207184A priority patent/DE2207184B2/de
Application filed by Standard Oil Co filed Critical Standard Oil Co
Priority to BE779549A priority patent/BE779549A/fr
Publication of BE779549A publication Critical patent/BE779549A/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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • 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
    • C07C51/50—Use of additives, e.g. for stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE779549A 1972-01-31 1972-02-18 Procede de purification de l'acide acrylique BE779549A (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA133,519A CA962698A (en) 1972-01-31 1972-01-31 Process for purification of acrylic acid
GB573872A GB1346737A (en) 1972-01-31 1972-02-08 Process for purification of acrylic acid
NL7201773A NL7201773A (fr) 1972-01-31 1972-02-10
FR7205027A FR2171910B1 (fr) 1972-01-31 1972-02-15
DE2207184A DE2207184B2 (de) 1972-01-31 1972-02-16 Verfahren zur Reinigung von Acrylsäure
BE779549A BE779549A (fr) 1972-01-31 1972-02-18 Procede de purification de l'acide acrylique

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CA133,519A CA962698A (en) 1972-01-31 1972-01-31 Process for purification of acrylic acid
GB573872A GB1346737A (en) 1972-01-31 1972-02-08 Process for purification of acrylic acid
NL7201773A NL7201773A (fr) 1972-01-31 1972-02-10
FR7205027A FR2171910B1 (fr) 1972-01-31 1972-02-15
DE2207184A DE2207184B2 (de) 1972-01-31 1972-02-16 Verfahren zur Reinigung von Acrylsäure
BE779549A BE779549A (fr) 1972-01-31 1972-02-18 Procede de purification de l'acide acrylique

Publications (1)

Publication Number Publication Date
BE779549A true BE779549A (fr) 1972-08-18

Family

ID=32046140

Family Applications (1)

Application Number Title Priority Date Filing Date
BE779549A BE779549A (fr) 1972-01-31 1972-02-18 Procede de purification de l'acide acrylique

Country Status (6)

Country Link
BE (1) BE779549A (fr)
CA (1) CA962698A (fr)
DE (1) DE2207184B2 (fr)
FR (1) FR2171910B1 (fr)
GB (1) GB1346737A (fr)
NL (1) NL7201773A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3641996A1 (de) * 1986-12-09 1988-06-16 Basf Ag Verfahren zum abtrennen von aldehyden aus (alpha),(beta)-olefinisch ungesaettigten carbonsaeuren
CA2001397A1 (fr) * 1988-10-28 1990-04-28 Tadao Shimomura Procede de fabrication d'acrylates et d'acrylates a teneur de polymeres
DE4201697A1 (de) * 1992-01-23 1993-07-29 Basf Ag Verfahren zur reinigung von rohsaeuren (alpha),(beta)-monoethylenisch ungesaettigter carbonsaeuren
DE4335172A1 (de) 1993-10-15 1995-04-20 Basf Ag Verfahren zur Reinigung von Roh-(Meth)acrylsäure
GB2285046B (en) * 1993-12-24 1997-12-17 Sumitomo Chemical Co Process for purifying acrylic acid
US5759358A (en) * 1994-05-31 1998-06-02 Rohm And Haas Company Process for pure grade acrylic acid
US5571386A (en) * 1994-05-31 1996-11-05 Rohm And Haas Company Process for grade acrylic acid
US5482597A (en) 1994-11-23 1996-01-09 Basf Aktiengesellschaft Purification of crude (meth)acrylic acid
US5961790A (en) 1994-12-14 1999-10-05 Basf Aktiengesellschaft Separation of (meth) acrylic acid by rectification
DE19501325A1 (de) * 1995-01-18 1996-07-25 Basf Ag Verfahren der rektifikativen Abtrennung von (Meth)acrylsäure aus einem (Meth)acrylsäure enthaltenden Gemisch
DE19501326A1 (de) * 1995-01-18 1996-07-25 Basf Ag Verfahren der rektifikativen Abtrennung von (Meth)acrylsäure aus einem (Meth)acrylsäure als Hauptbestandteil und niedere Aldehyde als Nebenbestandteile enthaltenden Gemisch in einer aus Abtriebsteil und Verstärkerteil bestehenden Rektifiaktionskolonne
US7393976B2 (en) * 2003-11-26 2008-07-01 Rohm And Haas Company Process for manufacturing reduced water content (meth)acrylic acid
DE102005019911A1 (de) 2005-04-27 2006-11-02 Basf Ag Verfahren der rektifikativen Auftrennung einer Acrylsäure und/oder Methacrylsäure enthaltenden Flüssigkeit
WO2014149967A1 (fr) 2013-03-15 2014-09-25 Rohm And Haas Company Procédé de purification d'acide (méth)acrylique

Also Published As

Publication number Publication date
FR2171910B1 (fr) 1977-09-02
CA962698A (en) 1975-02-11
DE2207184A1 (de) 1973-08-23
FR2171910A1 (fr) 1973-09-28
DE2207184B2 (de) 1980-07-24
GB1346737A (en) 1974-02-13
NL7201773A (fr) 1973-08-14

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