CA965375A - Purification of carboxylic acids - Google Patents
Purification of carboxylic acidsInfo
- Publication number
- CA965375A CA965375A CA142,196A CA142196A CA965375A CA 965375 A CA965375 A CA 965375A CA 142196 A CA142196 A CA 142196A CA 965375 A CA965375 A CA 965375A
- Authority
- CA
- Canada
- Prior art keywords
- purification
- carboxylic acids
- carboxylic
- acids
- 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
- C07C51/42—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 |
---|---|---|---|
US19743371A | 1971-11-10 | 1971-11-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA965375A true CA965375A (en) | 1975-04-01 |
Family
ID=22729412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA142,196A Expired CA965375A (en) | 1971-11-10 | 1972-05-15 | Purification of carboxylic acids |
Country Status (8)
Country | Link |
---|---|
US (1) | US3791935A (nl) |
JP (1) | JPS5533427B2 (nl) |
AU (1) | AU470043B2 (nl) |
CA (1) | CA965375A (nl) |
DE (1) | DE2223541C3 (nl) |
FR (1) | FR2159241B1 (nl) |
GB (1) | GB1350726A (nl) |
NL (1) | NL176451C (nl) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7501253A (nl) * | 1974-02-15 | 1975-08-19 | Basf Ag | Werkwijze voor het winnen van mierezuur. |
US4029553A (en) * | 1975-07-28 | 1977-06-14 | Monsanto Company | Purification of acetic acid streams by distillation |
US4039395A (en) * | 1975-08-11 | 1977-08-02 | Monsanto Company | Purification of acetic acid |
US4008131A (en) * | 1975-12-11 | 1977-02-15 | Monsanto Company | Purification of acetic acid |
US4039428A (en) * | 1976-01-02 | 1977-08-02 | Monsanto Company | Purification of propionic acid |
DE3114147A1 (de) * | 1981-04-08 | 1982-10-28 | Basf Ag, 6700 Ludwigshafen | Verfahren zur gewinnung von aldehyden |
JPS61109750A (ja) * | 1984-11-02 | 1986-05-28 | Shinetsu Sakusan Vinyl Kk | カルボン酸水溶液の脱水蒸留方法 |
GB9106298D0 (en) * | 1991-03-25 | 1991-05-08 | Bp Chem Int Ltd | Process |
GB9120902D0 (en) * | 1991-10-02 | 1991-11-13 | Bp Chem Int Ltd | Purification process |
GB9211671D0 (en) * | 1992-06-02 | 1992-07-15 | Bp Chem Int Ltd | Process |
TW330200B (en) * | 1995-09-29 | 1998-04-21 | Showa Denko Kk | Process for purifying acetic acid |
US5831120A (en) * | 1996-11-19 | 1998-11-03 | Watson; Derrick John | Process for the production of acetic acid |
GB9626324D0 (en) * | 1996-12-19 | 1997-02-05 | Bp Chem Int Ltd | Process |
US6114576A (en) * | 1997-12-18 | 2000-09-05 | Uop Llc | Carbonylation process with integrated heat exchange |
US6153792A (en) * | 1997-12-18 | 2000-11-28 | Uop Llc | Carbonylation process using a flash step with washing |
GB9819606D0 (en) | 1998-09-08 | 1998-11-04 | Bp Chem Int Ltd | Carbonylation process |
US7005541B2 (en) * | 2002-12-23 | 2006-02-28 | Celanese International Corporation | Low water methanol carbonylation process for high acetic acid production and for water balance control |
JP4732743B2 (ja) | 2004-12-06 | 2011-07-27 | ダイセル化学工業株式会社 | 蒸留方法 |
US7678940B2 (en) | 2005-07-14 | 2010-03-16 | Daicel Chemical Industries, Ltd. | Process for producing carboxylic acid |
US7989659B2 (en) * | 2007-05-17 | 2011-08-02 | Celanese International Corporation | Method and apparatus for making acetic acid with improved light ends column productivity |
US7619113B2 (en) * | 2007-09-27 | 2009-11-17 | Celanese International Corporation | Method and apparatus for making acetic acid with improved purification |
US7902397B2 (en) * | 2007-10-11 | 2011-03-08 | Celanese International Corporation | Method and apparatus for making acetic acid with improved productivity |
TWI547477B (zh) | 2012-03-14 | 2016-09-01 | 大賽璐股份有限公司 | 醋酸之製造方法 |
US9505691B2 (en) | 2014-10-02 | 2016-11-29 | Celanese International Corporation | Process for producing acetic acid |
MX2017006295A (es) | 2014-11-14 | 2017-08-21 | Celanese Int Corp | Procesos para producir acido acetico con control de decantador. |
US9340481B1 (en) | 2014-11-14 | 2016-05-17 | Celanese International Corporation | Process for flashing a reaction medium comprising lithium acetate |
US9302975B1 (en) | 2015-07-01 | 2016-04-05 | Celanese International Corporation | Process for flashing a reaction medium |
US9487464B2 (en) | 2015-01-30 | 2016-11-08 | Celanese International Corporation | Processes for producing acetic acid |
US9561994B2 (en) | 2015-01-30 | 2017-02-07 | Celanese International Corporation | Processes for producing acetic acid |
US9512056B2 (en) | 2015-02-04 | 2016-12-06 | Celanese International Corporation | Process to control HI concentration in residuum stream |
US10413840B2 (en) | 2015-02-04 | 2019-09-17 | Celanese International Coporation | Process to control HI concentration in residuum stream |
US9505696B2 (en) | 2015-02-04 | 2016-11-29 | Celanese International Corporation | Process to control HI concentration in residuum stream |
US9382183B1 (en) | 2015-07-01 | 2016-07-05 | Celanese International Corporation | Process for flashing a reaction medium |
US9302974B1 (en) | 2015-07-01 | 2016-04-05 | Celanese International Corporation | Process for producing acetic acid |
US9382186B1 (en) | 2015-07-01 | 2016-07-05 | Celanese International Corporation | Process for producing acetic acid |
US9416088B1 (en) | 2015-10-02 | 2016-08-16 | Celanese International Corporation | Process to produce acetic acid with recycle of water |
MY181882A (en) | 2015-10-02 | 2021-01-12 | Celanese Int Corp | Process to produce acetic acid with recycle of water |
-
1971
- 1971-11-10 US US00197433A patent/US3791935A/en not_active Expired - Lifetime
-
1972
- 1972-05-12 NL NLAANVRAGE7206475,A patent/NL176451C/nl not_active IP Right Cessation
- 1972-05-15 GB GB2264372A patent/GB1350726A/en not_active Expired
- 1972-05-15 JP JP4800272A patent/JPS5533427B2/ja not_active Expired
- 1972-05-15 FR FR7217276A patent/FR2159241B1/fr not_active Expired
- 1972-05-15 DE DE2223541A patent/DE2223541C3/de not_active Expired
- 1972-05-15 CA CA142,196A patent/CA965375A/en not_active Expired
- 1972-05-15 AU AU42274/72A patent/AU470043B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7206475A (nl) | 1973-05-14 |
FR2159241A1 (nl) | 1973-06-22 |
US3791935A (en) | 1974-02-12 |
FR2159241B1 (nl) | 1980-03-21 |
NL176451B (nl) | 1984-11-16 |
GB1350726A (en) | 1974-04-24 |
AU470043B2 (en) | 1976-03-04 |
NL176451C (nl) | 1985-04-16 |
DE2223541A1 (de) | 1973-05-17 |
AU4227472A (en) | 1973-11-22 |
JPS5533427B2 (nl) | 1980-08-30 |
DE2223541C3 (de) | 1979-05-03 |
JPS4856610A (nl) | 1973-08-09 |
DE2223541B2 (de) | 1978-09-14 |
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