ZA801247B - A process for the separation of maleic anhydride - Google Patents
A process for the separation of maleic anhydrideInfo
- Publication number
- ZA801247B ZA801247B ZA00801247A ZA801247A ZA801247B ZA 801247 B ZA801247 B ZA 801247B ZA 00801247 A ZA00801247 A ZA 00801247A ZA 801247 A ZA801247 A ZA 801247A ZA 801247 B ZA801247 B ZA 801247B
- Authority
- ZA
- South Africa
- Prior art keywords
- acid
- separation
- maleic anhydride
- ester
- cycloaliphatic
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Treating Waste Gases (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT48436/79A IT1163975B (it) | 1979-03-21 | 1979-03-21 | Procedimento per separare in modo continuo anidride maleica da gas di processo |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA801247B true ZA801247B (en) | 1981-03-25 |
Family
ID=11266526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00801247A ZA801247B (en) | 1979-03-21 | 1980-03-04 | A process for the separation of maleic anhydride |
Country Status (13)
Country | Link |
---|---|
US (1) | US4314946A (xx) |
EP (1) | EP0019046B1 (xx) |
JP (1) | JPS55127383A (xx) |
AT (1) | ATE4314T1 (xx) |
BR (1) | BR8001667A (xx) |
CA (1) | CA1137096A (xx) |
DE (1) | DE3064356D1 (xx) |
DK (1) | DK159437C (xx) |
ES (1) | ES8103013A1 (xx) |
IE (1) | IE49536B1 (xx) |
IL (1) | IL59573A0 (xx) |
IT (1) | IT1163975B (xx) |
ZA (1) | ZA801247B (xx) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1273980B (it) * | 1993-02-08 | 1997-07-14 | Sisas Spa | Procedimento ed impianto per la purificazione di anidride maleica grezza recuperata da miscele di reazione gassose |
US5670660A (en) * | 1994-12-06 | 1997-09-23 | Cook Composites And Polymers Co. | Process for collecting airborne anhydrides |
CN101531650B (zh) * | 2009-03-19 | 2010-04-21 | 江苏钟腾化工有限公司 | 一种从含顺酐气体中回收顺酐的部分冷凝工艺 |
US8901321B2 (en) | 2010-12-13 | 2014-12-02 | Conser Spa | Process for recovery of maleic anhydride by using organic solvent |
CN105111171B (zh) * | 2015-09-09 | 2017-11-07 | 淄博齐翔腾达化工股份有限公司 | 以六氢化邻苯二甲酸二异丁酯为溶剂回收顺酐的工艺 |
EP3320963A1 (de) * | 2016-11-15 | 2018-05-16 | Basf Se | Verfahren zur abreicherung von aromatischem kohlenwasserstoff aus einen rohgasstrom |
CN108863791B (zh) * | 2018-08-17 | 2023-12-01 | 淄博齐翔腾达化工股份有限公司 | 顺酐回收用溶剂再生装置及其工艺方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH170081A (de) * | 1933-01-30 | 1934-06-30 | Nat Aniline & Chem Co Inc | Verfahren zur Gewinnung des Anhydrids einer organischen Polycarbonsäure aus einem dasselbe enthaltenden Gasgemisch. |
US2574644A (en) * | 1948-07-06 | 1951-11-13 | Chempatents Inc | Recovery of polycarboxylic acid anhydrides |
FR1386278A (fr) * | 1963-10-23 | 1965-01-22 | Distillers Co Yeast Ltd | Séparation des acides carbo-oxyliques |
BE792879A (fr) * | 1971-12-17 | 1973-03-30 | Chevron Res | Procede d'isolement de l'anhydride maleique |
US3891680A (en) * | 1972-11-29 | 1975-06-24 | Chevron Res | Maleic anhydride recovery using nonaqueous medium |
US3850758A (en) * | 1973-07-02 | 1974-11-26 | Allied Chem | Purification of crude maleic anhydride by treatment with dimethylbenzophenone |
FR2264812B1 (xx) * | 1974-03-18 | 1978-10-20 | Chevron Res | |
JPS52136927A (en) * | 1976-05-12 | 1977-11-16 | Asahi Denka Kogyo Kk | Perfume composition |
US4118403A (en) * | 1976-11-18 | 1978-10-03 | Monsanto Company | Recovery of maleic anhydride |
-
1979
- 1979-03-21 IT IT48436/79A patent/IT1163975B/it active
-
1980
- 1980-03-04 ZA ZA00801247A patent/ZA801247B/xx unknown
- 1980-03-04 IE IE432/80A patent/IE49536B1/en not_active IP Right Cessation
- 1980-03-11 EP EP80101244A patent/EP0019046B1/de not_active Expired
- 1980-03-11 IL IL59573A patent/IL59573A0/xx unknown
- 1980-03-11 DE DE8080101244T patent/DE3064356D1/de not_active Expired
- 1980-03-11 AT AT80101244T patent/ATE4314T1/de not_active IP Right Cessation
- 1980-03-14 US US06/130,440 patent/US4314946A/en not_active Expired - Lifetime
- 1980-03-19 JP JP3567880A patent/JPS55127383A/ja active Granted
- 1980-03-20 ES ES489723A patent/ES8103013A1/es not_active Expired
- 1980-03-20 DK DK121180A patent/DK159437C/da not_active IP Right Cessation
- 1980-03-20 CA CA000348228A patent/CA1137096A/en not_active Expired
- 1980-03-20 BR BR8001667A patent/BR8001667A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
BR8001667A (pt) | 1980-11-18 |
ES489723A0 (es) | 1981-02-16 |
IE49536B1 (en) | 1985-10-30 |
IL59573A0 (en) | 1980-06-30 |
DK121180A (da) | 1980-09-22 |
DE3064356D1 (en) | 1983-09-01 |
EP0019046B1 (de) | 1983-07-27 |
JPS55127383A (en) | 1980-10-02 |
CA1137096A (en) | 1982-12-07 |
DK159437C (da) | 1991-03-18 |
IT7948436A0 (it) | 1979-03-21 |
EP0019046A1 (de) | 1980-11-26 |
ES8103013A1 (es) | 1981-02-16 |
US4314946A (en) | 1982-02-09 |
ATE4314T1 (de) | 1983-08-15 |
DK159437B (da) | 1990-10-15 |
IE800432L (en) | 1980-09-21 |
JPH0125747B2 (xx) | 1989-05-19 |
IT1163975B (it) | 1987-04-08 |
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