BRPI0714780A8 - Método para a redução de uma impureza de aldeído da corrente de ácido acético - Google Patents
Método para a redução de uma impureza de aldeído da corrente de ácido acéticoInfo
- Publication number
- BRPI0714780A8 BRPI0714780A8 BRPI0714780A BRPI0714780A BRPI0714780A8 BR PI0714780 A8 BRPI0714780 A8 BR PI0714780A8 BR PI0714780 A BRPI0714780 A BR PI0714780A BR PI0714780 A BRPI0714780 A BR PI0714780A BR PI0714780 A8 BRPI0714780 A8 BR PI0714780A8
- Authority
- BR
- Brazil
- Prior art keywords
- acetic acid
- reduction
- aldehyde impurity
- acid current
- current
- Prior art date
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title abstract 12
- 239000012535 impurity Substances 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 150000001299 aldehydes Chemical class 0.000 title 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 abstract 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 abstract 2
- 238000004821 distillation Methods 0.000 abstract 1
- -1 hydroxyl compound Chemical class 0.000 abstract 1
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
- C07C51/10—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide
- C07C51/12—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide on an oxygen-containing group in organic compounds, e.g. alcohols
-
- 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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
MÉTODO PARA A REDUÇÃO DE UMA IMPUREZA DE ALDEÍDO DA CORRENTE DE ÁCIDO ACÉTICO. A presente invenção refere-se a um método para remoção de impurezas de aldeído de uma corrente de ácido acético. O método inclui reação de uma corrente de ácido acético contendo impurezas de aldeído com um composto de hidroxila para formar os acetais correspondentes. Os acetais são subsequentemente removidos do ácido acético por, por exemplo, destilação.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/496,900 US7524988B2 (en) | 2006-08-01 | 2006-08-01 | Preparation of acetic acid |
| US11/496,900 | 2006-08-01 | ||
| PCT/US2007/016563 WO2008016502A2 (en) | 2006-08-01 | 2007-07-23 | Preparation of acetic acid |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| BRPI0714780A2 BRPI0714780A2 (pt) | 2013-10-29 |
| BRPI0714780A8 true BRPI0714780A8 (pt) | 2017-05-16 |
| BRPI0714780B1 BRPI0714780B1 (pt) | 2017-11-21 |
Family
ID=38820363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0714780-5A BRPI0714780B1 (pt) | 2006-08-01 | 2007-07-23 | Method for the reduction of a determination of acidity of acetic acid current |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7524988B2 (pt) |
| EP (1) | EP2046711B1 (pt) |
| CN (1) | CN101495438B (pt) |
| AT (1) | ATE502001T1 (pt) |
| BR (1) | BRPI0714780B1 (pt) |
| DE (1) | DE602007013242D1 (pt) |
| WO (1) | WO2008016502A2 (pt) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7524988B2 (en) | 2006-08-01 | 2009-04-28 | Lyondell Chemical Technology, L.P. | Preparation of acetic acid |
| US7390919B1 (en) * | 2007-10-01 | 2008-06-24 | Lyondell Chemical Technology, L.P. | Methyl acetate purification and carbonylation |
| US8076512B2 (en) * | 2009-08-27 | 2011-12-13 | Equistar Chemicals, L.P. | Preparation of acetic acid |
| US8519181B2 (en) | 2010-04-07 | 2013-08-27 | Lyondell Chemical Technology, L.P. | Preparation of acetic acid |
| US8735030B2 (en) | 2010-04-15 | 2014-05-27 | Carl Zeiss Smt Gmbh | Method and apparatus for modifying a substrate surface of a photolithographic mask |
| CN102971284B (zh) | 2010-05-18 | 2016-01-27 | 国际人造丝公司 | 生产乙酸的方法 |
| DE102011078927B4 (de) | 2010-07-12 | 2019-01-31 | Carl Zeiss Sms Ltd. | Verfahren zum Korrigieren von Fehlern einer photolithographischen Maske |
| US8431740B2 (en) * | 2010-07-21 | 2013-04-30 | Equistar Chemicals, Lp | Controlling decanter phase separation of acetic acid production process |
| DE102011083774B4 (de) | 2010-10-04 | 2019-06-13 | Carl Zeiss Sms Ltd. | Verfahren zum Bestimmen von Laser korrigierenden Tool-Parametern |
| JP5914358B2 (ja) | 2010-12-15 | 2016-05-11 | 株式会社ダイセル | 酢酸の製造方法 |
| US8539394B2 (en) | 2011-03-02 | 2013-09-17 | Carl Zeiss Sms Ltd. | Method and apparatus for minimizing overlay errors in lithography |
| EP2581789B1 (en) | 2011-10-14 | 2020-04-29 | Fundació Institut de Ciències Fotòniques | Optically transparent and electrically conductive coatings and method for their deposition on a substrate |
| US20140005352A1 (en) * | 2012-06-29 | 2014-01-02 | Invista North America S.A R.L. | Gas scrubber and related processes |
| US8969613B2 (en) * | 2012-10-31 | 2015-03-03 | Lyondellbasell Acetyls, Llc | Removal of aldehydes in acetic acid production |
| KR101821535B1 (ko) | 2015-01-30 | 2018-01-23 | 라이온델바젤 아세틸, 엘엘씨 | 아세트산의 회수 |
| JP6578065B2 (ja) * | 2015-12-03 | 2019-09-18 | ライオンデルバーゼル・アセチルズ・エルエルシー | 酢酸製造工程におけるアルデヒドの除去 |
| WO2017096235A1 (en) * | 2015-12-03 | 2017-06-08 | Lyondellbasell Acetyls, Llc | Selective removal of impurities in acetic acid production processes |
| CN112441882B (zh) * | 2019-09-02 | 2023-04-07 | 中国石油化工股份有限公司 | 用于乙二醇精制的稳定剂及其制备方法 |
| CN113651775B (zh) * | 2020-05-12 | 2024-05-03 | 中国石油化工股份有限公司 | 醛的脱除方法 |
| KR20240120741A (ko) | 2022-01-11 | 2024-08-07 | 라이온델바젤 아세틸, 엘엘씨 | 아세트산 제조에서 알데히드의 제거 |
| US20230257335A1 (en) * | 2022-02-14 | 2023-08-17 | Lyondellbasell Acetyls, Llc | Removal of aldehydes in acetic acid production |
| KR20240150788A (ko) | 2022-02-18 | 2024-10-16 | 라이온델바젤 아세틸, 엘엘씨 | 아세트산 제조에서 알데히드의 제거 |
| KR20250149170A (ko) | 2023-02-10 | 2025-10-15 | 라이온델바젤 아세틸, 엘엘씨 | 아세트산 제조에서의 요오드화물 제어 |
| US20250074857A1 (en) | 2023-08-31 | 2025-03-06 | Lyondellbasell Acetyls, Llc | Aminopolycarboxylates as rate promoters for the glacial acetic acid process |
| US20250074856A1 (en) | 2023-08-31 | 2025-03-06 | Lyondellbasell Acetyls, Llc | Polyphoshates and polyphosphonates as rate promoters for the glacial acetic acid process |
| CN117942722A (zh) * | 2024-03-27 | 2024-04-30 | 河北建滔能源发展有限公司 | 一种用于去除醋酸中醛类杂质的脱醛塔 |
| US20260022090A1 (en) | 2024-07-19 | 2026-01-22 | Lyondellbasell Acetyls, Llc | Removal of aldehydes in acetic acid production |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3769329A (en) | 1970-03-12 | 1973-10-30 | Monsanto Co | Production of carboxylic acids and esters |
| US5202481A (en) | 1987-12-23 | 1993-04-13 | Hoechst Celanese Corporation | Purification of acetic acid produced by the low water carbonylation of methanol by treatment with ozone |
| US5155266A (en) | 1987-12-23 | 1992-10-13 | Hoechst Celanese Corporation | Purification of acetic acid with ozone in the presence of an oxidation catalyst |
| US5155265A (en) | 1987-12-23 | 1992-10-13 | Hoechst Celanese Corporation | Purification of acetic acid with ozone followed by treatment with activated carbon and/or an ion-exchange resin |
| AU8790391A (en) | 1990-11-19 | 1992-05-21 | Hoechst Celanese Corporation | Removal of carbonyl impurities from a carbonylation process stream |
| GB9100216D0 (en) | 1991-01-05 | 1991-02-20 | Bp Chem Int Ltd | Process |
| AU639630B2 (en) | 1991-01-28 | 1993-07-29 | Celanese International Corporation | Removal of carbonyl impurities from carbonylation process stream |
| DE4327011A1 (de) | 1993-08-12 | 1995-02-16 | Hoechst Ag | Verfahren zur Entfernung von Aldehyden und Acetalen aus technisch hergestellter Essigsäure |
| US5625095A (en) | 1994-06-15 | 1997-04-29 | Daicel Chemical Industries, Ltd. | Process for producing high purity acetic acid |
| US5783731A (en) | 1995-09-11 | 1998-07-21 | Hoechst Celanese Corporation | Removal of carbonyl impurities from a carbonylation process stream |
| US5817869A (en) | 1995-10-03 | 1998-10-06 | Quantum Chemical Corporation | Use of pentavalent Group VA oxides in acetic acid processing |
| DE19610881B4 (de) | 1995-12-07 | 2008-01-10 | Limo Patentverwaltung Gmbh & Co. Kg | Mikrosystembaustein |
| US6339171B1 (en) | 1996-10-18 | 2002-01-15 | Celanese International Corporation | Removal or reduction of permanganate reducing compounds and alkyl iodides from a carbonylation process stream |
| IN192600B (pt) | 1996-10-18 | 2004-05-08 | Hoechst Celanese Corp | |
| GB9625335D0 (en) | 1996-12-05 | 1997-01-22 | Bp Chem Int Ltd | Process |
| DE69901652T2 (de) | 1998-04-25 | 2004-04-08 | Bp Chemicals Ltd. | Reinigungsverfahren |
| US6323364B1 (en) | 1999-08-31 | 2001-11-27 | Celanese International Corporation | Rhodium/inorganic iodide catalyst system for methanol carbonylation process with improved impurity profile |
| US6667418B2 (en) | 2002-04-16 | 2003-12-23 | Celanese International Corporation | Oxidation treatment of a recycle stream in production of acetic acid by methanol carbonylation |
| US7524988B2 (en) | 2006-08-01 | 2009-04-28 | Lyondell Chemical Technology, L.P. | Preparation of acetic acid |
-
2006
- 2006-08-01 US US11/496,900 patent/US7524988B2/en active Active
-
2007
- 2007-07-23 EP EP07796988A patent/EP2046711B1/en not_active Not-in-force
- 2007-07-23 WO PCT/US2007/016563 patent/WO2008016502A2/en not_active Ceased
- 2007-07-23 CN CN2007800287334A patent/CN101495438B/zh active Active
- 2007-07-23 BR BRPI0714780-5A patent/BRPI0714780B1/pt active IP Right Grant
- 2007-07-23 AT AT07796988T patent/ATE502001T1/de not_active IP Right Cessation
- 2007-07-23 DE DE602007013242T patent/DE602007013242D1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0714780B1 (pt) | 2017-11-21 |
| US20080033206A1 (en) | 2008-02-07 |
| WO2008016502A2 (en) | 2008-02-07 |
| EP2046711A2 (en) | 2009-04-15 |
| WO2008016502A3 (en) | 2008-03-20 |
| DE602007013242D1 (de) | 2011-04-28 |
| ATE502001T1 (de) | 2011-04-15 |
| EP2046711B1 (en) | 2011-03-16 |
| US7524988B2 (en) | 2009-04-28 |
| CN101495438B (zh) | 2012-12-12 |
| BRPI0714780A2 (pt) | 2013-10-29 |
| CN101495438A (zh) | 2009-07-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B25A | Requested transfer of rights approved |
Owner name: MILLENNIUM PETROCHEMICALS INC. (US) , LYONDELLBASE |
|
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |