ES218984A1 - Procedimiento para la purificacion de anhidrido acético preparado por absorcion de ceteno en acido acetico - Google Patents
Procedimiento para la purificacion de anhidrido acético preparado por absorcion de ceteno en acido aceticoInfo
- Publication number
- ES218984A1 ES218984A1 ES0218984A ES218984A ES218984A1 ES 218984 A1 ES218984 A1 ES 218984A1 ES 0218984 A ES0218984 A ES 0218984A ES 218984 A ES218984 A ES 218984A ES 218984 A1 ES218984 A1 ES 218984A1
- Authority
- ES
- Spain
- Prior art keywords
- acetic anhydride
- anhydride
- acid
- acetic
- purification
- 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
- C07C51/54—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)
Abstract
Procedimiento para la purificación del anhídrido acético preparado por absorción de ceteno en ácido acético, caracterizándose por comprender el tratar el anhídrido acético impuro con peróxido de hidrógeno o ácido perácido, y separar luego, por destilación, el anhídrido acético.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3569553A GB749098A (en) | 1953-12-23 | 1953-12-23 | Improvements in and relating to the purification of acetic anhydride |
Publications (1)
Publication Number | Publication Date |
---|---|
ES218984A1 true ES218984A1 (es) | 1955-03-01 |
Family
ID=10380540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0218984A Expired ES218984A1 (es) | 1953-12-23 | 1954-12-14 | Procedimiento para la purificacion de anhidrido acético preparado por absorcion de ceteno en acido acetico |
Country Status (2)
Country | Link |
---|---|
ES (1) | ES218984A1 (es) |
GB (1) | GB749098A (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9100216D0 (en) * | 1991-01-05 | 1991-02-20 | Bp Chem Int Ltd | Process |
US5264087A (en) * | 1992-10-13 | 1993-11-23 | Eastman Kodak Company | Method for refining acetic anhydride by distillation |
-
1953
- 1953-12-23 GB GB3569553A patent/GB749098A/en not_active Expired
-
1954
- 1954-12-14 ES ES0218984A patent/ES218984A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB749098A (en) | 1956-05-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES218984A1 (es) | Procedimiento para la purificacion de anhidrido acético preparado por absorcion de ceteno en acido acetico | |
GB1017605A (en) | Improvements in or relating to the preparation of dialkyl terephthalates | |
ES285966A1 (es) | Procedimiento de obtención de perácidos alifáticos saturados | |
GB1501997A (en) | Process for the purification of decane dicarboxylic acid-(1,10) | |
GB695170A (en) | Method of purifying organic compounds | |
GB951663A (en) | Process for the preparation of 6-deoxy-6-demethyl-6-methylene-5-oxytetracycline | |
ES269744A1 (es) | Nuevo procedimiento para la fabricaciën de 4-hidroxi-3-ceta-delta-esteroides | |
US2962528A (en) | Process for preparing alphahaloglutaric acids | |
GB827638A (en) | Preparation of citraconic anhydride | |
GB1126315A (en) | Process for removing formic acid from mixtures rich in acetic acid | |
GB694417A (en) | Manufacture of alpha-neopentyl acrylic acid | |
GB602833A (en) | Improvements in or relating to saccharification of cellulosic materials | |
GB519276A (en) | Improvements in or relating to the production of concentrated solutions of hydrogen peroxide | |
GB734467A (en) | Stabilization of peracids | |
GB593571A (en) | Improvements in or relating to the manufacture of crotonic acid | |
GB791747A (en) | Alcohol hydrofinishing | |
FR1172173A (fr) | Procédé de préparation d'acide téréphtalique sensiblement pur | |
GB941903A (en) | Process for the recovery of pure phthalic anhydride from the crude product obtained by the oxidation of o-xylene | |
GB990120A (en) | Process for the purification of dehydrocholic acid | |
GB867549A (en) | Production of 11-bromo-undecanoic acid | |
GB739482A (en) | Purifying and concentrating nitric acid by distillation | |
GB857932A (en) | Improvements relating to methods for the purification of acetylene obtained by the cracking of gaseous hydrocarbons | |
GB815206A (en) | Improvements in or relating to the purification of lactic acid | |
GB1303282A (es) | ||
GB897210A (en) | Improvements in the recovery of pure phthalic anhydride from the crude product obtained in the oxidation of naphthalene |