GB1514660A - Purification of propionic acid - Google Patents

Purification of propionic acid

Info

Publication number
GB1514660A
GB1514660A GB54492/76A GB5449276A GB1514660A GB 1514660 A GB1514660 A GB 1514660A GB 54492/76 A GB54492/76 A GB 54492/76A GB 5449276 A GB5449276 A GB 5449276A GB 1514660 A GB1514660 A GB 1514660A
Authority
GB
United Kingdom
Prior art keywords
distillation zone
stream
propionic acid
iodide
metal
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
GB54492/76A
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 GB1514660A publication Critical patent/GB1514660A/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
    • C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • 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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • 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
    • Y10S203/20—Power plant

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB54492/76A 1976-01-02 1976-12-31 Purification of propionic acid Expired GB1514660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/646,291 US4039428A (en) 1976-01-02 1976-01-02 Purification of propionic acid

Publications (1)

Publication Number Publication Date
GB1514660A true GB1514660A (en) 1978-06-21

Family

ID=24592492

Family Applications (1)

Application Number Title Priority Date Filing Date
GB54492/76A Expired GB1514660A (en) 1976-01-02 1976-12-31 Purification of propionic acid

Country Status (5)

Country Link
US (1) US4039428A (enExample)
JP (1) JPS5285111A (enExample)
DE (1) DE2659726C2 (enExample)
FR (1) FR2337123A1 (enExample)
GB (1) GB1514660A (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4269667A (en) * 1979-08-02 1981-05-26 Standard Oil Company Acrylonitrile purification by extractive distillation
US4599144A (en) * 1984-06-25 1986-07-08 Standard Oil Company (Indiana) Process for recovery of methacrylic acid
US4683033A (en) * 1985-06-27 1987-07-28 Phillips Petroleum Company Purification of iodine-containing mixtures and compositions useful therefor
US4731165A (en) * 1985-12-16 1988-03-15 The Dow Chemical Company Method of decoloration of triethylenetetramine using sulfonic acid ion exchange resins
JPS6410907A (en) * 1987-07-01 1989-01-13 Suzutec Co Ltd Sowing apparatus
US5183538A (en) * 1990-12-24 1993-02-02 Phillips Petroleum Company Extraction plus ion exchange processing of a brine stream
GB9120902D0 (en) * 1991-10-02 1991-11-13 Bp Chem Int Ltd Purification process
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
CN108727181B (zh) * 2018-08-07 2023-10-20 河南顺达新能源科技有限公司 一种含盐丙酸的分离提纯精制装置
DK3837034T3 (da) * 2018-08-13 2023-12-11 Ovivo Inc Biomasseselektion og -styring til processer med kontinuerligt flow til granulært/flokkulerende aktiveret slam
US11161760B2 (en) 2018-08-13 2021-11-02 Ovivo Inc. Biomass selection and control for continuous flow granular/flocculent activated sludge processes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1228430A (fr) * 1958-04-03 1960-08-29 Ici Ltd Récupération d'acides monocarboxyliques
US3084109A (en) * 1958-04-03 1963-04-02 Ici Ltd Recovery of monocarboxylic acids
US3439026A (en) * 1964-12-23 1969-04-15 Marathon Oil Co Manufacture of carboxylic acids from corresponding metallic salts
US3490997A (en) * 1965-01-07 1970-01-20 Standard Oil Co Dehydration of wet lower aliphatic monocarboxylic acid by distillation with alkali metal ions present
US3530043A (en) * 1968-07-04 1970-09-22 Ici Ltd Purification of vinyl or allyl acetate by treatment with alkali metal compounds during distillation and evaporation with purging of concentrate streams
US3791935A (en) * 1971-11-10 1974-02-12 Monsanto Co Purification of carboxylic acids
US3769177A (en) * 1971-11-10 1973-10-30 Monsanto Co Purification of carboxylic acids by plural stage distillation with side stream draw-offs
BE791577A (fr) * 1971-11-19 1973-05-17 Monsanto Co Purification de courants d'acide carboxylique

Also Published As

Publication number Publication date
FR2337123A1 (fr) 1977-07-29
DE2659726A1 (de) 1977-07-07
JPS6257611B2 (enExample) 1987-12-02
JPS5285111A (en) 1977-07-15
US4039428A (en) 1977-08-02
FR2337123B1 (enExample) 1983-01-28
DE2659726C2 (de) 1986-09-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19961230