BR9406422A - Processo para separação de cristais de uma polpa dos mesmos com um licor mae contendo impurezas e processo para purifação de ácido terelfálico - Google Patents
Processo para separação de cristais de uma polpa dos mesmos com um licor mae contendo impurezas e processo para purifação de ácido terelfálicoInfo
- Publication number
- BR9406422A BR9406422A BR9406422A BR9406422A BR9406422A BR 9406422 A BR9406422 A BR 9406422A BR 9406422 A BR9406422 A BR 9406422A BR 9406422 A BR9406422 A BR 9406422A BR 9406422 A BR9406422 A BR 9406422A
- Authority
- BR
- Brazil
- Prior art keywords
- crystals
- pct
- mother liquor
- unit
- pressure
- Prior art date
Links
- 239000013078 crystal Substances 0.000 title abstract 7
- 238000000034 method Methods 0.000 title abstract 3
- 239000012452 mother liquor Substances 0.000 title abstract 3
- 239000012535 impurity Substances 0.000 title abstract 2
- 239000002253 acid Substances 0.000 title 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract 2
- 239000012736 aqueous medium Substances 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 2
- 238000011109 contamination Methods 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 230000003134 recirculating effect Effects 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Separation By Low-Temperature Treatments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB939303191A GB9303191D0 (en) | 1993-02-17 | 1993-02-17 | Separation process |
| PCT/GB1994/000248 WO1994019082A1 (en) | 1993-02-17 | 1994-02-09 | Separation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9406422A true BR9406422A (pt) | 1995-12-19 |
Family
ID=10730591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9406422A BR9406422A (pt) | 1993-02-17 | 1994-02-09 | Processo para separação de cristais de uma polpa dos mesmos com um licor mae contendo impurezas e processo para purifação de ácido terelfálico |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5741927A (pt) |
| EP (1) | EP0684863B1 (pt) |
| JP (1) | JPH08508194A (pt) |
| KR (1) | KR960700787A (pt) |
| CN (1) | CN1117714A (pt) |
| AT (1) | ATE167076T1 (pt) |
| AU (1) | AU683641B2 (pt) |
| BR (1) | BR9406422A (pt) |
| CA (1) | CA2153651A1 (pt) |
| DE (2) | DE69410993D1 (pt) |
| ES (1) | ES2119170T3 (pt) |
| GB (2) | GB9303191D0 (pt) |
| SG (1) | SG47473A1 (pt) |
| WO (1) | WO1994019082A1 (pt) |
| ZA (1) | ZA94927B (pt) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100264749B1 (ko) * | 1997-02-17 | 2000-09-01 | 나까니시 히로유끼 | 고순도 테레프탈산의 제조 방법 |
| US6034269A (en) * | 1998-08-03 | 2000-03-07 | E. I. Du Pont De Nemours And Company | Process for producing pure carboxylic acids |
| US6576472B1 (en) * | 2000-07-26 | 2003-06-10 | Smithkline Beecham Corporation | Chemical constructs for solution phase chemistry |
| WO2002092214A1 (en) * | 2001-05-15 | 2002-11-21 | Mitsubishi Chemical Corporation | Process for producing a compound |
| JP2005232134A (ja) * | 2004-02-23 | 2005-09-02 | Mitsubishi Chemicals Corp | ビスフェノールａの製造方法 |
| CA2728319C (en) * | 2008-06-27 | 2016-11-08 | Ge Healthcare Bio-Sciences Ab | Separation media slurry tank |
| WO2010122304A1 (en) * | 2009-04-24 | 2010-10-28 | Invista Technologies S.A.R.L. | Methods, processes, and systems for treating and purifying crude terephthalic acid and associated process streams |
| GB201016049D0 (en) * | 2010-09-24 | 2010-11-10 | Davy Process Techn Ltd | Process and system |
| CN106277601A (zh) * | 2016-08-29 | 2017-01-04 | 山东胜伟园林科技有限公司 | 集水罐内盐水分离系统 |
| CN116459549A (zh) * | 2023-04-28 | 2023-07-21 | 武汉有机实业有限公司 | 一种悬浮结晶洗涤设备及方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2815288A (en) * | 1953-09-04 | 1957-12-03 | Phillips Petroleum Co | Crystal purification |
| TR23271A (tr) * | 1987-02-06 | 1989-08-09 | Krupp Koppers Gmbh | En asagi % 95.5 safliginda p-ksilol'un kazanilmasina mahsus usul |
| GB9102393D0 (en) * | 1991-02-05 | 1991-03-20 | Ici Plc | Production of terephthalic acid |
-
1993
- 1993-02-17 GB GB939303191A patent/GB9303191D0/en active Pending
-
1994
- 1994-02-07 GB GB9402321A patent/GB9402321D0/en active Pending
- 1994-02-09 KR KR1019950703436A patent/KR960700787A/ko not_active Withdrawn
- 1994-02-09 AU AU60039/94A patent/AU683641B2/en not_active Ceased
- 1994-02-09 US US08/492,064 patent/US5741927A/en not_active Expired - Fee Related
- 1994-02-09 SG SG1996002062A patent/SG47473A1/en unknown
- 1994-02-09 ES ES94906273T patent/ES2119170T3/es not_active Expired - Lifetime
- 1994-02-09 AT AT94906273T patent/ATE167076T1/de not_active IP Right Cessation
- 1994-02-09 WO PCT/GB1994/000248 patent/WO1994019082A1/en not_active Ceased
- 1994-02-09 BR BR9406422A patent/BR9406422A/pt not_active Application Discontinuation
- 1994-02-09 DE DE69410993A patent/DE69410993D1/de not_active Expired - Fee Related
- 1994-02-09 JP JP6518723A patent/JPH08508194A/ja active Pending
- 1994-02-09 EP EP94906273A patent/EP0684863B1/en not_active Expired - Lifetime
- 1994-02-09 CA CA002153651A patent/CA2153651A1/en not_active Abandoned
- 1994-02-09 DE DE69410993T patent/DE69410993T4/de not_active Expired - Lifetime
- 1994-02-09 CN CN94191200A patent/CN1117714A/zh active Pending
- 1994-02-10 ZA ZA94927A patent/ZA94927B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU6003994A (en) | 1994-09-14 |
| EP0684863A1 (en) | 1995-12-06 |
| SG47473A1 (en) | 1998-04-17 |
| CN1117714A (zh) | 1996-02-28 |
| DE69410993D1 (de) | 1998-07-16 |
| GB9303191D0 (en) | 1993-03-31 |
| AU683641B2 (en) | 1997-11-20 |
| DE69410993T4 (de) | 1999-05-20 |
| ES2119170T3 (es) | 1998-10-01 |
| CA2153651A1 (en) | 1994-09-01 |
| JPH08508194A (ja) | 1996-09-03 |
| EP0684863B1 (en) | 1998-06-10 |
| DE69410993T2 (de) | 1998-10-29 |
| ATE167076T1 (de) | 1998-06-15 |
| WO1994019082A1 (en) | 1994-09-01 |
| US5741927A (en) | 1998-04-21 |
| ZA94927B (en) | 1994-08-17 |
| KR960700787A (ko) | 1996-02-24 |
| GB9402321D0 (en) | 1994-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Decision: intention to grant | ||
| FA11 | Dismissal: dismissal - article 38, par. 2 of industrial property law |