IT1109451B - Procedimento di purificazione di correnti di acidi acetico mediante distillazione - Google Patents
Procedimento di purificazione di correnti di acidi acetico mediante distillazioneInfo
- Publication number
- IT1109451B IT1109451B IT25757/76A IT2575776A IT1109451B IT 1109451 B IT1109451 B IT 1109451B IT 25757/76 A IT25757/76 A IT 25757/76A IT 2575776 A IT2575776 A IT 2575776A IT 1109451 B IT1109451 B IT 1109451B
- Authority
- IT
- Italy
- Prior art keywords
- distillation
- acetic acid
- purification procedure
- currents
- acid currents
- 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
- C07C51/43—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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (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 |
---|---|---|---|
US05/599,506 US4029553A (en) | 1975-07-28 | 1975-07-28 | Purification of acetic acid streams by distillation |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1109451B true IT1109451B (it) | 1985-12-16 |
Family
ID=24399903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25757/76A IT1109451B (it) | 1975-07-28 | 1976-07-27 | Procedimento di purificazione di correnti di acidi acetico mediante distillazione |
Country Status (7)
Country | Link |
---|---|
US (1) | US4029553A (it) |
JP (1) | JPS6054294B2 (it) |
DE (1) | DE2633697C2 (it) |
FR (1) | FR2319618A1 (it) |
GB (1) | GB1504467A (it) |
IT (1) | IT1109451B (it) |
MX (1) | MX145757A (it) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9120902D0 (en) * | 1991-10-02 | 1991-11-13 | Bp Chem Int Ltd | Purification process |
KR950013467B1 (ko) * | 1993-03-31 | 1995-11-08 | 포항종합제철주식회사 | 초산중의 요오드 화합물의 제거방법 |
US5502249A (en) * | 1994-05-31 | 1996-03-26 | Eastman Chemical Company | Process for the removal of iodine from acetyl compounds |
JP3332594B2 (ja) * | 1994-08-12 | 2002-10-07 | ダイセル化学工業株式会社 | 酢酸の精製方法 |
GB9626324D0 (en) * | 1996-12-19 | 1997-02-05 | Bp Chem Int Ltd | Process |
US6552221B1 (en) | 1998-12-18 | 2003-04-22 | Millenium Petrochemicals, Inc. | Process control for acetic acid manufacture |
JP4732743B2 (ja) * | 2004-12-06 | 2011-07-27 | ダイセル化学工業株式会社 | 蒸留方法 |
US20110313193A1 (en) * | 2010-06-17 | 2011-12-22 | Hallinan Noel C | Purification of acetic acid |
CN103370300B (zh) * | 2010-12-15 | 2016-07-06 | 株式会社大赛璐 | 乙酸的制备方法 |
US10428004B2 (en) | 2017-01-18 | 2019-10-01 | Daicel Corporation | Method for producing acetic acid |
MX2019008473A (es) * | 2017-01-18 | 2019-09-18 | Daicel Corp | Metodo para producir acido acetico. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3772380A (en) * | 1970-03-12 | 1973-11-13 | Monsanto Co | Production of carboxylic acids and esters |
CA952852A (en) * | 1970-04-23 | 1974-08-13 | Monsanto Company | Purification of carboxylic acid 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 |
-
1975
- 1975-07-28 US US05/599,506 patent/US4029553A/en not_active Expired - Lifetime
-
1976
- 1976-07-27 JP JP51088748A patent/JPS6054294B2/ja not_active Expired
- 1976-07-27 GB GB31210/76A patent/GB1504467A/en not_active Expired
- 1976-07-27 IT IT25757/76A patent/IT1109451B/it active
- 1976-07-27 FR FR7622892A patent/FR2319618A1/fr active Granted
- 1976-07-27 DE DE2633697A patent/DE2633697C2/de not_active Expired
- 1976-07-27 MX MX165659A patent/MX145757A/es unknown
Also Published As
Publication number | Publication date |
---|---|
FR2319618A1 (fr) | 1977-02-25 |
FR2319618B1 (it) | 1980-03-21 |
JPS5217413A (en) | 1977-02-09 |
DE2633697A1 (de) | 1977-02-17 |
JPS6054294B2 (ja) | 1985-11-29 |
DE2633697C2 (de) | 1986-03-20 |
MX145757A (es) | 1982-03-29 |
US4029553A (en) | 1977-06-14 |
GB1504467A (en) | 1978-03-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950729 |