GB1294432A - Purification of carboxylic acid streams - Google Patents

Purification of carboxylic acid streams

Info

Publication number
GB1294432A
GB1294432A GB1071371A GB1071371A GB1294432A GB 1294432 A GB1294432 A GB 1294432A GB 1071371 A GB1071371 A GB 1071371A GB 1071371 A GB1071371 A GB 1071371A GB 1294432 A GB1294432 A GB 1294432A
Authority
GB
United Kingdom
Prior art keywords
halogen
distillation zone
purification
acid
carboxylic acid
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
GB1071371A
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.)
Monsanto Co
Original Assignee
Monsanto 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
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of GB1294432A publication Critical patent/GB1294432A/en
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
    • C07C51/42—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)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
GB1071371A 1970-04-23 1971-04-22 Purification of carboxylic acid streams Expired GB1294432A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3117970A 1970-04-23 1970-04-23

Publications (1)

Publication Number Publication Date
GB1294432A true GB1294432A (en) 1972-10-25

Family

ID=21858039

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1071371A Expired GB1294432A (en) 1970-04-23 1971-04-22 Purification of carboxylic acid streams

Country Status (6)

Country Link
JP (1) JPS5620292B1 (de)
BE (1) BE766099A (de)
CA (1) CA952852A (de)
DE (1) DE2119744A1 (de)
FR (1) FR2090559A5 (de)
GB (1) GB1294432A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5227520A (en) * 1991-10-02 1993-07-13 Bp Chemicals Limited Process for the purification of carboxylic acids and/or their anyhdrides
EP0696565A1 (de) 1994-08-12 1996-02-14 Daicel Chemical Industries, Ltd. Verfahren zur Reinigung der Essigsäure
US6140535A (en) * 1996-12-19 2000-10-31 Bp Chemicals Limited Iridium-catalyzed carbonylation process for the production of acetic acid
US20120067715A1 (en) * 2009-05-20 2012-03-22 Basf Se Method for purifying carboxylic acids containing halogen compounds

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791577A (fr) * 1971-11-19 1973-05-17 Monsanto Co Purification de courants d'acide carboxylique
US4029553A (en) * 1975-07-28 1977-06-14 Monsanto Company Purification of acetic acid streams by distillation
US4039395A (en) * 1975-08-11 1977-08-02 Monsanto Company Purification of acetic acid
JPS5870684U (ja) * 1981-11-07 1983-05-13 松下電工株式会社 接続器
GB9106298D0 (en) * 1991-03-25 1991-05-08 Bp Chem Int Ltd Process

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE364254B (de) * 1967-04-05 1974-02-18 Monsanto Co

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5227520A (en) * 1991-10-02 1993-07-13 Bp Chemicals Limited Process for the purification of carboxylic acids and/or their anyhdrides
EP0696565A1 (de) 1994-08-12 1996-02-14 Daicel Chemical Industries, Ltd. Verfahren zur Reinigung der Essigsäure
US5916422A (en) * 1994-08-12 1999-06-29 Daicel Chemical Industries, Ltd. Method of purifying acetic acid
SG81845A1 (en) * 1994-08-12 2001-07-24 Daicel Chem Method of purifying acetic acid
US6140535A (en) * 1996-12-19 2000-10-31 Bp Chemicals Limited Iridium-catalyzed carbonylation process for the production of acetic acid
US20120067715A1 (en) * 2009-05-20 2012-03-22 Basf Se Method for purifying carboxylic acids containing halogen compounds

Also Published As

Publication number Publication date
FR2090559A5 (de) 1972-01-14
CA952852A (en) 1974-08-13
BE766099A (fr) 1971-10-22
DE2119744A1 (de) 1971-11-04
JPS5620292B1 (de) 1981-05-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee