NL7215472A - - Google Patents
Info
- Publication number
- NL7215472A NL7215472A NL7215472A NL7215472A NL7215472A NL 7215472 A NL7215472 A NL 7215472A NL 7215472 A NL7215472 A NL 7215472A NL 7215472 A NL7215472 A NL 7215472A NL 7215472 A NL7215472 A NL 7215472A
- Authority
- NL
- Netherlands
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20055371A | 1971-11-19 | 1971-11-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7215472A true NL7215472A (fr) | 1973-05-22 |
NL174545C NL174545C (nl) | 1984-07-02 |
Family
ID=22742196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7215472,A NL174545C (nl) | 1971-11-19 | 1972-11-15 | Werkwijze voor het verwijderen van jodium uit azijnzuur. |
Country Status (9)
Country | Link |
---|---|
US (1) | US3772156A (fr) |
JP (1) | JPS5755695B2 (fr) |
BE (1) | BE791577A (fr) |
CA (1) | CA979842A (fr) |
DE (1) | DE2256510C2 (fr) |
FR (1) | FR2160615B1 (fr) |
GB (1) | GB1360328A (fr) |
NL (1) | NL174545C (fr) |
SU (1) | SU598556A3 (fr) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4039428A (en) * | 1976-01-02 | 1977-08-02 | Monsanto Company | Purification of propionic acid |
US4153806A (en) * | 1977-10-11 | 1979-05-08 | Halcon Research And Development Corp. | Recovery of vicinal glycol esters by plural stage distillation |
US4246195A (en) * | 1978-10-06 | 1981-01-20 | Halcon Research And Development Corporation | Purification of carbonylation products |
US4241219A (en) * | 1979-07-30 | 1980-12-23 | Halcon Research And Development Corp. | Treatment of carbonylation effluent |
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 |
US4683033A (en) * | 1985-06-27 | 1987-07-28 | Phillips Petroleum Company | Purification of iodine-containing mixtures and compositions useful therefor |
US4599472A (en) * | 1985-06-27 | 1986-07-08 | Phillips Petroleum Company | Purification of iodine-containing mixtures and compositions useful therefor |
GB8822661D0 (en) * | 1988-09-27 | 1988-11-02 | Bp Chem Int Ltd | Removal of iodine/iodide impurities |
US5237097A (en) * | 1990-02-09 | 1993-08-17 | Quantum Chemical Corporation | Catalytic carbonylation process |
GB9100216D0 (en) * | 1991-01-05 | 1991-02-20 | Bp Chem Int Ltd | Process |
GB9120902D0 (en) * | 1991-10-02 | 1991-11-13 | Bp Chem Int Ltd | Purification process |
DE4140082A1 (de) * | 1991-12-05 | 1993-06-09 | Hoechst Ag, 6230 Frankfurt, De | Verfahren zur reinigung von abfallessigsaeure |
DE4327011A1 (de) * | 1993-08-12 | 1995-02-16 | Hoechst Ag | Verfahren zur Entfernung von Aldehyden und Acetalen aus technisch hergestellter Essigsäure |
TW330200B (en) * | 1995-09-29 | 1998-04-21 | Showa Denko Kk | Process for purifying acetic acid |
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 |
EP1114814A3 (fr) * | 1999-12-29 | 2003-01-22 | Haldor Topsoe A/S | Procédé de réduction de composés iodine à partir d'écoulement de procédé |
JP4732743B2 (ja) * | 2004-12-06 | 2011-07-27 | ダイセル化学工業株式会社 | 蒸留方法 |
ES2595628T3 (es) | 2010-12-24 | 2017-01-02 | Daicel Corporation | Método de producción de ácido acético |
CN104045548B (zh) * | 2013-03-14 | 2016-08-10 | 中国石油化工股份有限公司 | 一种脱除醋酸中微量碘离子的方法 |
MY179084A (en) | 2014-10-02 | 2020-10-27 | Celanese Int Corp | Process for producing acetic acid |
WO2016122728A1 (fr) | 2015-01-30 | 2016-08-04 | Celanese International Corporation | Procédés de production d'acide acétique |
KR102493738B1 (ko) | 2015-01-30 | 2023-01-30 | 셀라니즈 인터내셔날 코포레이션 | 아세트산의 제조 방법 |
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 |
US10413840B2 (en) | 2015-02-04 | 2019-09-17 | Celanese International Coporation | Process to control HI concentration in residuum stream |
US9512056B2 (en) | 2015-02-04 | 2016-12-06 | Celanese International Corporation | 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 |
US9957216B2 (en) | 2015-11-13 | 2018-05-01 | Celanese International Corporation | Processes for producing acetic acid |
US10428004B2 (en) | 2017-01-18 | 2019-10-01 | Daicel Corporation | Method for producing acetic acid |
KR102255683B1 (ko) * | 2017-01-18 | 2021-05-26 | 주식회사 다이셀 | 아세트산의 제조 방법 |
US20230375478A1 (en) | 2022-05-19 | 2023-11-23 | Lyondellbasell Acetyls, Llc | Methods for improved control of glacial acetic acid processes |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2384374A (en) * | 1945-09-04 | Recovery of acetic acid in purified | ||
US2900413A (en) * | 1956-03-12 | 1959-08-18 | Celanese Corp | Purification of lower aliphatic acids |
US3084109A (en) * | 1958-04-03 | 1963-04-02 | Ici Ltd | Recovery of monocarboxylic acids |
US3196176A (en) * | 1962-03-07 | 1965-07-20 | Celanese Corp | Purification of acetic acid |
US3490997A (en) * | 1965-01-07 | 1970-01-20 | Standard Oil Co | Dehydration of wet lower aliphatic monocarboxylic acid by distillation with alkali metal ions present |
US3709795A (en) * | 1970-02-02 | 1973-01-09 | Monsanto Co | Purification of carboxylic acids by chemical treatment and distillation |
JPS5620292B1 (fr) * | 1970-04-23 | 1981-05-13 |
-
0
- BE BE791577D patent/BE791577A/fr not_active IP Right Cessation
-
1971
- 1971-11-19 US US00200553A patent/US3772156A/en not_active Expired - Lifetime
-
1972
- 1972-11-14 SU SU721847388A patent/SU598556A3/ru active
- 1972-11-15 NL NLAANVRAGE7215472,A patent/NL174545C/xx not_active IP Right Cessation
- 1972-11-17 GB GB5322172A patent/GB1360328A/en not_active Expired
- 1972-11-17 FR FR7240945A patent/FR2160615B1/fr not_active Expired
- 1972-11-17 CA CA156,901A patent/CA979842A/en not_active Expired
- 1972-11-17 DE DE2256510A patent/DE2256510C2/de not_active Expired
- 1972-11-17 JP JP47114862A patent/JPS5755695B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2256510A1 (de) | 1973-05-30 |
FR2160615B1 (fr) | 1976-01-30 |
JPS5755695B2 (fr) | 1982-11-25 |
SU598556A3 (ru) | 1978-03-15 |
BE791577A (fr) | 1973-05-17 |
GB1360328A (en) | 1974-07-17 |
DE2256510C2 (de) | 1982-05-06 |
US3772156A (en) | 1973-11-13 |
JPS4861414A (fr) | 1973-08-28 |
AU4900272A (en) | 1974-05-23 |
NL174545C (nl) | 1984-07-02 |
CA979842A (en) | 1975-12-16 |
FR2160615A1 (fr) | 1973-06-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BC | A request for examination has been filed | ||
V4 | Discontinued because of reaching the maximum lifetime of a patent |