JPS6257611B2 - - Google Patents
Info
- Publication number
- JPS6257611B2 JPS6257611B2 JP51157633A JP15763376A JPS6257611B2 JP S6257611 B2 JPS6257611 B2 JP S6257611B2 JP 51157633 A JP51157633 A JP 51157633A JP 15763376 A JP15763376 A JP 15763376A JP S6257611 B2 JPS6257611 B2 JP S6257611B2
- Authority
- JP
- Japan
- Prior art keywords
- stream
- column
- distillation zone
- iodine
- propionic 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
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)
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 (2)
| Publication Number | Publication Date |
|---|---|
| JPS5285111A JPS5285111A (en) | 1977-07-15 |
| JPS6257611B2 true JPS6257611B2 (enExample) | 1987-12-02 |
Family
ID=24592492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15763376A Granted JPS5285111A (en) | 1976-01-02 | 1976-12-28 | Purieication 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6410907A (en) * | 1987-07-01 | 1989-01-13 | Suzutec Co Ltd | Sowing apparatus |
Families Citing this family (10)
| 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 |
| 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 |
| CA3109511A1 (en) | 2018-08-13 | 2020-02-20 | Ovivo Inc. | Biomass selection and control for continuous flow granular/flocculent activated sludge processes |
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3084109A (en) * | 1958-04-03 | 1963-04-02 | Ici Ltd | Recovery of monocarboxylic acids |
| FR1228430A (fr) * | 1958-04-03 | 1960-08-29 | Ici Ltd | Récupération d'acides monocarboxyliques |
| 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 |
-
1976
- 1976-01-02 US US05/646,291 patent/US4039428A/en not_active Expired - Lifetime
- 1976-12-28 JP JP15763376A patent/JPS5285111A/ja active Granted
- 1976-12-31 FR FR7639703A patent/FR2337123A1/fr active Granted
- 1976-12-31 GB GB54492/76A patent/GB1514660A/en not_active Expired
- 1976-12-31 DE DE2659726A patent/DE2659726C2/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6410907A (en) * | 1987-07-01 | 1989-01-13 | Suzutec Co Ltd | Sowing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2337123A1 (fr) | 1977-07-29 |
| DE2659726C2 (de) | 1986-09-11 |
| GB1514660A (en) | 1978-06-21 |
| US4039428A (en) | 1977-08-02 |
| DE2659726A1 (de) | 1977-07-07 |
| FR2337123B1 (enExample) | 1983-01-28 |
| JPS5285111A (en) | 1977-07-15 |
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