CA1027972A - Elimination des impuretes oxydables de l'acide acetique - Google Patents
Elimination des impuretes oxydables de l'acide acetiqueInfo
- Publication number
- CA1027972A CA1027972A CA195,648A CA195648A CA1027972A CA 1027972 A CA1027972 A CA 1027972A CA 195648 A CA195648 A CA 195648A CA 1027972 A CA1027972 A CA 1027972A
- Authority
- CA
- Canada
- Prior art keywords
- impurities
- acetic acid
- oxidative removal
- oxidative
- removal
- 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
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title 3
- 239000012535 impurity Substances 0.000 title 1
- 230000001590 oxidative effect Effects 0.000 title 1
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
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US347125A US3928434A (en) | 1973-04-02 | 1973-04-02 | Oxidative removal of impurities from acetic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1027972A true CA1027972A (fr) | 1978-03-14 |
Family
ID=23362432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA195,648A Expired CA1027972A (fr) | 1973-04-02 | 1974-03-21 | Elimination des impuretes oxydables de l'acide acetique |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3928434A (fr) |
| JP (1) | JPS49135910A (fr) |
| BE (1) | BE813155A (fr) |
| CA (1) | CA1027972A (fr) |
| FR (1) | FR2223348B1 (fr) |
| GB (1) | GB1423485A (fr) |
| IT (1) | IT1010870B (fr) |
| NL (1) | NL7404396A (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5202481A (en) * | 1987-12-23 | 1993-04-13 | Hoechst Celanese Corporation | Purification of acetic acid produced by the low water carbonylation of methanol by treatment with ozone |
| US5155266A (en) * | 1987-12-23 | 1992-10-13 | Hoechst Celanese Corporation | Purification of acetic acid with ozone in the presence of an oxidation catalyst |
| US5155265A (en) * | 1987-12-23 | 1992-10-13 | Hoechst Celanese Corporation | Purification of acetic acid with ozone followed by treatment with activated carbon and/or an ion-exchange resin |
| GB9100216D0 (en) * | 1991-01-05 | 1991-02-20 | Bp Chem Int Ltd | Process |
| US5097069A (en) * | 1991-04-08 | 1992-03-17 | Eastman Kodak Company | Process for decomposing α,β-unsaturated carbonyl compounds in refining acetic anhydride and/or acetic acid |
| JP3220234B2 (ja) * | 1992-07-07 | 2001-10-22 | ダイセル化学工業株式会社 | オゾンによる無水酢酸または無水酢酸および酢酸の混合物の精製法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2255421A (en) * | 1936-07-25 | 1941-09-09 | Shell Dev | Process for purification of carboxylic acids |
| US3384659A (en) * | 1964-04-06 | 1968-05-21 | Celanese Corp | Catalytic decomposition of formic acid in acetic acid mixtures |
| GB1138946A (en) * | 1965-05-07 | 1969-01-01 | Ici Ltd | Process for the decomposition of formic acid |
| NL151348B (nl) * | 1966-03-31 | 1976-11-15 | Hoechst Ag | Werkwijze ter zuivering van azijnzuur dat mierezuur bevat in een hoeveelheid van ten hoogste 10 gew.%. |
| GB1176654A (en) * | 1966-04-04 | 1970-01-07 | Ici Ltd | Decomposition of Formic Acid. |
| US3560560A (en) * | 1968-05-08 | 1971-02-02 | Union Carbide Corp | Purification of acetic acid |
-
1973
- 1973-04-02 US US347125A patent/US3928434A/en not_active Expired - Lifetime
-
1974
- 1974-03-21 CA CA195,648A patent/CA1027972A/fr not_active Expired
- 1974-03-29 IT IT42594/74A patent/IT1010870B/it active
- 1974-03-29 FR FR7411215A patent/FR2223348B1/fr not_active Expired
- 1974-04-01 NL NL7404396A patent/NL7404396A/xx unknown
- 1974-04-01 GB GB1443174A patent/GB1423485A/en not_active Expired
- 1974-04-01 BE BE142728A patent/BE813155A/fr unknown
- 1974-04-01 JP JP49035723A patent/JPS49135910A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2415700B2 (de) | 1976-03-25 |
| IT1010870B (it) | 1977-01-20 |
| BE813155A (fr) | 1974-10-01 |
| NL7404396A (fr) | 1974-10-04 |
| US3928434A (en) | 1975-12-23 |
| FR2223348A1 (fr) | 1974-10-25 |
| JPS49135910A (fr) | 1974-12-27 |
| GB1423485A (en) | 1976-02-04 |
| DE2415700A1 (de) | 1974-10-10 |
| FR2223348B1 (fr) | 1978-01-13 |
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