ZA846823B - Process for separating iodine and its compounds from the carbonylation products obtained by subjecting dimethylether,methyl acetate or methanol to a carbonylation reaction - Google Patents
Process for separating iodine and its compounds from the carbonylation products obtained by subjecting dimethylether,methyl acetate or methanol to a carbonylation reactionInfo
- Publication number
- ZA846823B ZA846823B ZA846823A ZA846823A ZA846823B ZA 846823 B ZA846823 B ZA 846823B ZA 846823 A ZA846823 A ZA 846823A ZA 846823 A ZA846823 A ZA 846823A ZA 846823 B ZA846823 B ZA 846823B
- Authority
- ZA
- South Africa
- Prior art keywords
- carbonylation
- dimethylether
- subjecting
- methanol
- compounds
- Prior art date
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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
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)
- Catalysts (AREA)
- Furan Compounds (AREA)
- Carbon And Carbon Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833331548 DE3331548A1 (de) | 1983-09-01 | 1983-09-01 | Verfahren zur abtrennung von jod und dessen verbindungen aus den bei der carbonylierung von dimethylether, methylacetat oder methanol erhaltenen carbonylierungsprodukten |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA846823B true ZA846823B (en) | 1985-05-29 |
Family
ID=6207989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA846823A ZA846823B (en) | 1983-09-01 | 1984-08-31 | Process for separating iodine and its compounds from the carbonylation products obtained by subjecting dimethylether,methyl acetate or methanol to a carbonylation reaction |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0143179B1 (xx) |
JP (1) | JPS6072837A (xx) |
AT (1) | ATE22550T1 (xx) |
AU (1) | AU568675B2 (xx) |
BR (1) | BR8404372A (xx) |
CA (1) | CA1234149A (xx) |
DE (2) | DE3331548A1 (xx) |
MX (1) | MX160501A (xx) |
ZA (1) | ZA846823B (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4792420A (en) * | 1985-07-24 | 1988-12-20 | Eastman Kodak Company | Purification of carboxylic acid anhydrides |
DE3534070A1 (de) * | 1985-09-25 | 1987-04-02 | Hoechst Ag | Verfahren zur abtrennung von jod und dessen verbindungen aus den bei der carbonylierung von dimethylether, methylacetat oder methanol erhaltenen carbonylierungsprodukten |
DE3612504A1 (de) * | 1985-09-30 | 1987-04-09 | Hoechst Ag | Verfahren zur abtrennung von jod und dessen verbindungen aus den bei der carbbonylierung von dimethylether, methylacetat oder methanol erhaltenden carbonylierungsprodukten |
GB8822661D0 (en) * | 1988-09-27 | 1988-11-02 | Bp Chem Int Ltd | Removal of iodine/iodide impurities |
CA2088973C (en) * | 1990-08-15 | 1998-09-29 | Brent A. Tennant | Process for the purification of acetic anhydride and acetic acid |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4246195A (en) * | 1978-10-06 | 1981-01-20 | Halcon Research And Development Corporation | Purification of carbonylation products |
DE3137782A1 (de) * | 1981-09-23 | 1983-03-31 | Hoechst Ag, 6230 Frankfurt | Verfahren zur rueckgewinnung von jodverbindungen aus dem abgas von carbonylierungsreaktionen |
DE3149094A1 (de) * | 1981-12-11 | 1983-06-16 | Hoechst Ag, 6230 Frankfurt | Verfahren zur entfernung von aceton aus reaktionsgemischen von carbonylierungsreaktionen |
DE3329781A1 (de) * | 1983-08-18 | 1985-02-28 | Hoechst Ag, 6230 Frankfurt | Verfahren zur abtrennung von jod und dessen verbindungen aus den bei der carbonylierung von dimethylether, methylacetat oder methanol erhaltenen carbonylierungsprodukten |
DE3534070A1 (de) * | 1985-09-25 | 1987-04-02 | Hoechst Ag | Verfahren zur abtrennung von jod und dessen verbindungen aus den bei der carbonylierung von dimethylether, methylacetat oder methanol erhaltenen carbonylierungsprodukten |
-
1983
- 1983-09-01 DE DE19833331548 patent/DE3331548A1/de not_active Withdrawn
-
1984
- 1984-08-04 AT AT84109285T patent/ATE22550T1/de not_active IP Right Cessation
- 1984-08-04 DE DE8484109285T patent/DE3460873D1/de not_active Expired
- 1984-08-04 EP EP84109285A patent/EP0143179B1/de not_active Expired
- 1984-08-30 CA CA000462141A patent/CA1234149A/en not_active Expired
- 1984-08-31 BR BR8404372A patent/BR8404372A/pt not_active IP Right Cessation
- 1984-08-31 JP JP59180842A patent/JPS6072837A/ja active Granted
- 1984-08-31 AU AU32637/84A patent/AU568675B2/en not_active Ceased
- 1984-08-31 MX MX202587A patent/MX160501A/es unknown
- 1984-08-31 ZA ZA846823A patent/ZA846823B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
JPS6072837A (ja) | 1985-04-24 |
MX160501A (es) | 1990-03-12 |
DE3460873D1 (en) | 1986-11-06 |
BR8404372A (pt) | 1985-07-30 |
DE3331548A1 (de) | 1985-03-21 |
JPH0528212B2 (xx) | 1993-04-23 |
CA1234149A (en) | 1988-03-15 |
EP0143179B1 (de) | 1986-10-01 |
EP0143179A1 (de) | 1985-06-05 |
ATE22550T1 (de) | 1986-10-15 |
AU3263784A (en) | 1985-03-07 |
AU568675B2 (en) | 1988-01-07 |
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