RU94046088A - Способ очистки сырой терефталиевой кислоты и способы получения терефталиевой кислоты - Google Patents
Способ очистки сырой терефталиевой кислоты и способы получения терефталиевой кислотыInfo
- Publication number
- RU94046088A RU94046088A RU94046088/04A RU94046088A RU94046088A RU 94046088 A RU94046088 A RU 94046088A RU 94046088/04 A RU94046088/04 A RU 94046088/04A RU 94046088 A RU94046088 A RU 94046088A RU 94046088 A RU94046088 A RU 94046088A
- Authority
- RU
- Russia
- Prior art keywords
- terephthalic acid
- washing
- separation
- pressure
- raw
- 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
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)
Abstract
Способ получения очищенной терефталевой кислоты, включающий подвергание водного раствора сырой терефталевой кислоты гидрогенизации для восстановления примесей в ней, кристаллизацию полученного в результате раствора для получения суспензии очищенном терефталевой кислоты в водном растворе и проведение объединенного процесса отделения терефталевой кислоты и промывки без стадии повторного суспендирования между отделением и промывкой. В одной из форм изобретения объединенный процесс отделения и промывки проводится при повышенном давлении посредством ленточной системы фильтрования 100, в которой давление на входном краю фильтровальной ленты составляет не менее чем преобладающее последующее давление на выходе процесса кристаллизации. Другие воплощения изобретения могут быть достигнуты посредством оборудования для центрифугирования с добавленными устройствами для нанесения промывочной жидкости на лепешку, сформированную во время центрифугирования.
Claims (1)
- Способ получения очищенной терефталевой кислоты, включающий подвергание водного раствора сырой терефталевой кислоты гидрогенизации для восстановления примесей в ней, кристаллизацию полученного в результате раствора для получения суспензии очищенном терефталевой кислоты в водном растворе и проведение объединенного процесса отделения терефталевой кислоты и промывки без стадии повторного суспендирования между отделением и промывкой. В одной из форм изобретения объединенный процесс отделения и промывки проводится при повышенном давлении посредством ленточной системы фильтрования 100, в которой давление на входном краю фильтровальной ленты составляет не менее чем преобладающее последующее давление на выходе процесса кристаллизации. Другие воплощения изобретения могут быть достигнуты посредством оборудования для центрифугирования с добавленными устройствами для нанесения промывочной жидкости на лепешку, сформированную во время центрифугирования.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB929211441A GB9211441D0 (en) | 1992-05-29 | 1992-05-29 | Process for the production of purified terephthalic acid |
GB9211441.2 | 1992-05-29 | ||
GB929223966A GB9223966D0 (en) | 1992-11-16 | 1992-11-16 | Filtration method |
GB9223966.4 | 1992-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
RU94046088A true RU94046088A (ru) | 1996-09-27 |
Family
ID=26300959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU94046088/04A RU94046088A (ru) | 1992-05-29 | 1993-05-19 | Способ очистки сырой терефталиевой кислоты и способы получения терефталиевой кислоты |
Country Status (12)
Country | Link |
---|---|
US (2) | US5583254A (ru) |
EP (1) | EP0642490A1 (ru) |
JP (1) | JPH07507291A (ru) |
CN (1) | CN1085889A (ru) |
AU (1) | AU681078B2 (ru) |
BR (1) | BR9306434A (ru) |
CA (1) | CA2136621A1 (ru) |
GB (1) | GB9310070D0 (ru) |
RU (1) | RU94046088A (ru) |
SG (1) | SG52279A1 (ru) |
TW (2) | TW280815B (ru) |
WO (1) | WO1993024440A1 (ru) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2205686C2 (ru) * | 1997-05-19 | 2003-06-10 | Суд Кеми МТ С.р.л. | Катализатор гидрирования и способ его получения |
Families Citing this family (88)
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US5504121A (en) * | 1992-05-18 | 1996-04-02 | Swig Pty Ltd. | Polyethylene terephthalate decontamination |
US5602187A (en) * | 1992-05-18 | 1997-02-11 | Swig Pty Ltd. | Polyethylene terephthalate decontamination |
GB9310070D0 (en) * | 1992-05-29 | 1993-06-30 | Ici Plc | Process for the production of purified terephthalic acid |
GB9400570D0 (en) * | 1994-01-13 | 1994-03-09 | Ici Plc | Handling of materials at elevated pressure |
US5470473A (en) * | 1994-02-17 | 1995-11-28 | Baker Hughes Incorporated | Rotary vacuum filtration drum with valved hopper cake treatment means |
TW299318B (ru) * | 1994-11-15 | 1997-03-01 | Mitsubishi Chem Corp | |
US5961942A (en) * | 1995-06-05 | 1999-10-05 | E. I. Du Pont De Nemours And Company | Effluent gas treatment |
JP3877770B2 (ja) * | 1995-06-05 | 2007-02-07 | インヴィスタ テクノロジー エスアエルエル | 流出ガスの処理 |
BR9707639A (pt) * | 1996-02-22 | 1999-07-27 | Du Pont | Processo para a produção de um ácido carboxílico aromático |
TW442461B (en) * | 1996-02-22 | 2001-06-23 | Du Pont | Process for the production of an aromatic carboxylic acid |
CN1235593A (zh) * | 1996-10-25 | 1999-11-17 | 纳幕尔杜邦公司 | 芳香羧酸的生产 |
CA2241568A1 (en) * | 1996-10-30 | 1998-05-07 | Hiroshi Suzuki | Process for preparing aromatic dicarboxylic acids |
GB9705349D0 (en) | 1997-03-14 | 1997-04-30 | Ici Plc | Treatment of effluent streams |
WO1999000167A1 (en) * | 1997-06-30 | 1999-01-07 | Bp Amoco Corporation | Crystallization in a plate heat exchanger |
US6194609B1 (en) | 1997-06-30 | 2001-02-27 | Bp Amoco Corporation | Crystallization in a plate heat exchanger |
GB9717251D0 (en) * | 1997-08-15 | 1997-10-22 | Ici Plc | Process and apparatus |
IT1311976B1 (it) | 1999-03-25 | 2002-03-22 | Franco Codignola | Procedimento per la produzione di acidi aromatici. |
IT1319169B1 (it) | 2000-07-14 | 2003-09-26 | Eurotecnica Dev & Licensing Sr | Procedimento per la purificazione di acidi carbossilici aromatici. |
US7196215B2 (en) | 2001-06-04 | 2007-03-27 | Eastman Chemical Company | Process for the production of purified terephthalic acid |
US7485747B2 (en) * | 2001-06-04 | 2009-02-03 | Eastman Chemical Company | Two stage oxidation process for the production of aromatic dicarboxylic acids |
US6689903B2 (en) | 2001-06-04 | 2004-02-10 | Eastman Chemical Company | Crystallization method for production of purified aromatic dicarboxylic acids |
US7276625B2 (en) | 2002-10-15 | 2007-10-02 | Eastman Chemical Company | Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
WO2004043893A1 (ja) * | 2002-11-14 | 2004-05-27 | Mitsubishi Chemical Corporation | テレフタル酸の製造方法 |
US7161027B2 (en) | 2002-12-09 | 2007-01-09 | Eastman Chemical Company | Process for the oxidative purification of terephthalic acid |
AU2003293251A1 (en) * | 2002-12-09 | 2004-06-30 | Eastman Chemical Company | Process for the oxidative purification of terephthalic acid |
US7132566B2 (en) | 2003-09-22 | 2006-11-07 | Eastman Chemical Company | Process for the purification of a crude carboxylic acid slurry |
US7074954B2 (en) * | 2002-12-09 | 2006-07-11 | Eastman Chemical Company | Process for the oxidative purification of terephthalic acid |
BR0317963A (pt) * | 2003-01-10 | 2005-11-29 | Mitsubishi Chem Corp | Método de separação centrìfuga da lama contendo ácido carboxìlico aromático |
US7193109B2 (en) | 2003-03-06 | 2007-03-20 | Eastman Chemical Company | Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
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US8173835B2 (en) * | 2006-03-01 | 2012-05-08 | Grupo Petrotemex, S.A. De C.V. | Method and apparatus for drying carboxylic acid |
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US8697906B2 (en) * | 2006-03-01 | 2014-04-15 | Grupo Petrotemex, S.A. De C.V. | Methods and apparatus for producing a low-moisture carboxylic acid wet cake |
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RU2463096C2 (ru) * | 2007-12-20 | 2012-10-10 | Хитачи Плант Текнолоджиз, Лтд. | Способ фильтрации кристаллической суспензии |
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US9199905B2 (en) | 2008-10-31 | 2015-12-01 | Invista North America S.A.R.L. | Pure carboxylic acid filtration |
CN102395553A (zh) * | 2009-04-16 | 2012-03-28 | 株式会社日立工业设备技术 | 由晶析浆液回收结晶的方法 |
CN102126945A (zh) * | 2010-01-13 | 2011-07-20 | 中国石油化工股份有限公司 | 回收精对苯二甲酸的方法 |
EP2585430B1 (en) | 2010-06-28 | 2019-04-17 | Johnson Matthey Davy Technologies Limited | Process and system for the separation of carboxylic acids (such as terephthalic acid) from a slurry |
JP5802115B2 (ja) * | 2011-11-18 | 2015-10-28 | 株式会社日立製作所 | 粗製テレフタル酸の精製方法 |
CN102626646B (zh) * | 2012-04-13 | 2014-04-02 | 大连华峰发展公司 | 一种氧化段钴锰催化剂回收利用装置及其方法 |
CN103936581A (zh) * | 2014-04-24 | 2014-07-23 | 天华化工机械及自动化研究设计院有限公司 | 一种提高cta溶剂交换效率的方法 |
EP3297995B1 (en) | 2015-05-21 | 2019-07-10 | Avantium Knowledge Centre B.V. | Process for the preparation of an aromatic dicarboxylic acid |
US10435799B2 (en) | 2015-05-21 | 2019-10-08 | Avantium Knowledge Centre B.V. | Process for the purification of a carboxylic acid-containing composition |
WO2018097726A1 (en) | 2016-11-24 | 2018-05-31 | Avantium Knowledge Centre B.V. | Process |
EP3813977A1 (en) * | 2018-06-29 | 2021-05-05 | BP Corporation North America Inc. | Solid-liquid separation processes using a large pore filter |
CN110117244A (zh) * | 2019-05-27 | 2019-08-13 | 太仓塑料助剂厂有限公司 | 过氧化二异丙苯的洗涤结晶方法 |
WO2021038394A1 (en) * | 2019-08-28 | 2021-03-04 | Invista North America S.A R.L | Apparatus for purifying terephthalic acid |
CN115867683A (zh) | 2020-08-14 | 2023-03-28 | 科氏技术英国有限公司 | 从氧化剂清洗流中回收金属催化剂 |
WO2023021347A1 (en) | 2021-08-20 | 2023-02-23 | Koch Technology Solutions UK Limited | Nickel and cobalt separation in a pta process |
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-
1993
- 1993-05-17 GB GB939310070A patent/GB9310070D0/en active Pending
- 1993-05-19 SG SG1996001899A patent/SG52279A1/en unknown
- 1993-05-19 JP JP6500285A patent/JPH07507291A/ja active Pending
- 1993-05-19 AU AU40815/93A patent/AU681078B2/en not_active Ceased
- 1993-05-19 BR BR9306434A patent/BR9306434A/pt not_active Application Discontinuation
- 1993-05-19 CA CA002136621A patent/CA2136621A1/en not_active Abandoned
- 1993-05-19 EP EP93910226A patent/EP0642490A1/en not_active Withdrawn
- 1993-05-19 WO PCT/GB1993/001019 patent/WO1993024440A1/en not_active Application Discontinuation
- 1993-05-19 RU RU94046088/04A patent/RU94046088A/ru unknown
- 1993-05-19 US US08/343,419 patent/US5583254A/en not_active Expired - Fee Related
- 1993-05-29 CN CN93108211A patent/CN1085889A/zh active Pending
- 1993-05-31 TW TW083109260A patent/TW280815B/zh not_active IP Right Cessation
- 1993-05-31 TW TW082104414A patent/TW242617B/zh active
-
1996
- 1996-06-24 US US08/668,756 patent/US5698734A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2205686C2 (ru) * | 1997-05-19 | 2003-06-10 | Суд Кеми МТ С.р.л. | Катализатор гидрирования и способ его получения |
Also Published As
Publication number | Publication date |
---|---|
JPH07507291A (ja) | 1995-08-10 |
GB9310070D0 (en) | 1993-06-30 |
US5583254A (en) | 1996-12-10 |
CA2136621A1 (en) | 1993-12-09 |
SG52279A1 (en) | 1998-09-28 |
AU4081593A (en) | 1993-12-30 |
US5698734A (en) | 1997-12-16 |
WO1993024440A1 (en) | 1993-12-09 |
TW242617B (ru) | 1995-03-11 |
EP0642490A1 (en) | 1995-03-15 |
BR9306434A (pt) | 1998-09-15 |
AU681078B2 (en) | 1997-08-21 |
CN1085889A (zh) | 1994-04-27 |
TW280815B (ru) | 1996-07-11 |
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