FR2091386A5 - Acrylic acid purification by fractional distillation - Google Patents

Acrylic acid purification by fractional distillation

Info

Publication number
FR2091386A5
FR2091386A5 FR7116740A FR7116740A FR2091386A5 FR 2091386 A5 FR2091386 A5 FR 2091386A5 FR 7116740 A FR7116740 A FR 7116740A FR 7116740 A FR7116740 A FR 7116740A FR 2091386 A5 FR2091386 A5 FR 2091386A5
Authority
FR
France
Prior art keywords
acrylic acid
purification
fractional distillation
acid purification
press
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.)
Expired
Application number
FR7116740A
Other languages
English (en)
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.)
BP Chemicals Ltd
Original Assignee
BP Chemicals Ltd
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 GB50135/70A external-priority patent/GB1287696A/en
Application filed by BP Chemicals Ltd filed Critical BP Chemicals Ltd
Application granted granted Critical
Publication of FR2091386A5 publication Critical patent/FR2091386A5/fr
Expired legal-status Critical Current

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
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
    • C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
    • 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

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)
FR7116740A 1970-05-13 1971-05-10 Acrylic acid purification by fractional distillation Expired FR2091386A5 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2309170 1970-05-13
GB50135/70A GB1287696A (en) 1970-05-13 1970-10-22 Purification of acrylic acid

Publications (1)

Publication Number Publication Date
FR2091386A5 true FR2091386A5 (en) 1972-01-14

Family

ID=26256321

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7116740A Expired FR2091386A5 (en) 1970-05-13 1971-05-10 Acrylic acid purification by fractional distillation

Country Status (7)

Country Link
AU (1) AU2843471A (fr)
BE (1) BE767028A (fr)
CA (1) CA936490A (fr)
DE (1) DE2120956A1 (fr)
FR (1) FR2091386A5 (fr)
IT (1) IT941401B (fr)
NL (1) NL7106435A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004055765A1 (de) 2004-11-18 2006-05-24 Basf Ag Verfahren zur Herstellung wasserabsorbierender Polymere

Also Published As

Publication number Publication date
DE2120956A1 (fr) 1971-11-25
BE767028A (fr) 1971-11-12
NL7106435A (fr) 1971-11-16
CA936490A (en) 1973-11-06
AU2843471A (en) 1972-11-09
IT941401B (it) 1973-03-01

Similar Documents

Publication Publication Date Title
GB1004243A (en) Recovery of dicarboxylic acids from mixtures thereof
US3433831A (en) Separation and purification of acrylic acid from acetic acid by solvent extraction and azeotropic distillation with a two component solvent-entrainer system
GB1390090A (en) Recovering anhydrous acrylic acid
GB1037255A (en) Process and apparatus for the continuous distillation of mixtures
US3844903A (en) Separating alpha, beta-unsaturated carboxylic acids from aqueous solutions by azeotropic distillation with excess solvent
US3432401A (en) Process for production of glacial acrylic acid by azeotropic distillation with a water entrainer
ES474749A1 (es) Ÿmetodo para separar acido acrilico de una solucion acuosa de acido acrilico y acido aceticoŸ
GB995472A (en) Improvements in or relating to acrylic acid production
FR2091386A5 (en) Acrylic acid purification by fractional distillation
ES344525A1 (es) Un procedimiento para purificar beta-metilmercaptopropio- naldehido crudo.
GB1082572A (en) Production of carboxylic acids
GB1397659A (en) Process for preparing glycidol
SU445645A1 (ru) Способ выделени низкомолекул рных монокарбоновых кислот с1-с4 из водных растворов
SU437269A1 (ru) Способ выделени уксусной кислоты из водного раствора
FR2082193A5 (en) Purification of phenol
JPS55129239A (en) Purification of methacrylic acid
FR2162486A1 (en) (meth)acrylic acid purification - in aqs soln contg acetic acid by extraction and distillation
US3163660A (en) Purification of 2, 5-dihydrofuran
ES419292A1 (es) Un procedimiento para la purificacion de acetona que con- tiene acetaldehido.
GB965351A (en) Purification of unsaturated nitriles
GB956063A (en) Production of adiponitrile from a residue
US3957730A (en) Recovery of pure 2-methyl-2-hydroxy-heptanone-6
US3077440A (en) Process for separating epichlorhydrin
FR2279740A1 (fr) Procede d'obtention d'oxyde de propylene
ES393411A1 (es) Procedimiento para la purificacion de esteres carboxilicos pesados.

Legal Events

Date Code Title Description
ST Notification of lapse