ES2177048T3 - Proceso mejorado para separar cristales de acido tereftalico puro. - Google Patents
Proceso mejorado para separar cristales de acido tereftalico puro.Info
- Publication number
- ES2177048T3 ES2177048T3 ES98943187T ES98943187T ES2177048T3 ES 2177048 T3 ES2177048 T3 ES 2177048T3 ES 98943187 T ES98943187 T ES 98943187T ES 98943187 T ES98943187 T ES 98943187T ES 2177048 T3 ES2177048 T3 ES 2177048T3
- Authority
- ES
- Spain
- Prior art keywords
- pure
- improved process
- separate crystals
- tereftalic acid
- tereftalic
- 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 - Lifetime
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
Según este procedimiento mejorado de separación de cristales de ácido tereftálico puro de una suspensión espesa en una centrifugadora, se introduce vapor como fluido portador en la centrifugadora, continuamente y al mismo tiempo que la suspensión espesa.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9717251.4A GB9717251D0 (en) | 1997-08-15 | 1997-08-15 | Process and apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2177048T3 true ES2177048T3 (es) | 2002-12-01 |
Family
ID=10817490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES98943187T Expired - Lifetime ES2177048T3 (es) | 1997-08-15 | 1998-08-12 | Proceso mejorado para separar cristales de acido tereftalico puro. |
Country Status (17)
Country | Link |
---|---|
EP (1) | EP1003708B1 (es) |
KR (1) | KR20010022871A (es) |
CN (1) | CN1130327C (es) |
AR (1) | AR013944A1 (es) |
AU (1) | AU9103498A (es) |
BR (1) | BR9811302B1 (es) |
CA (1) | CA2295650C (es) |
CO (1) | CO5040111A1 (es) |
DE (1) | DE69806016T2 (es) |
ES (1) | ES2177048T3 (es) |
GB (1) | GB9717251D0 (es) |
ID (1) | ID24098A (es) |
MY (1) | MY119060A (es) |
TR (1) | TR200000413T2 (es) |
TW (1) | TW502015B (es) |
WO (1) | WO1999008990A1 (es) |
ZA (1) | ZA987311B (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
US7214760B2 (en) | 2004-01-15 | 2007-05-08 | Eastman Chemical Company | Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
EP1671938B1 (en) * | 2004-12-15 | 2006-12-13 | Saudi Basic Industries Corporation | Process for preparing purified terephthalic acid |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9310070D0 (en) * | 1992-05-29 | 1993-06-30 | Ici Plc | Process for the production of purified terephthalic acid |
-
1997
- 1997-08-15 GB GBGB9717251.4A patent/GB9717251D0/en active Pending
-
1998
- 1998-08-12 DE DE69806016T patent/DE69806016T2/de not_active Expired - Lifetime
- 1998-08-12 WO PCT/US1998/016691 patent/WO1999008990A1/en not_active Application Discontinuation
- 1998-08-12 KR KR1020007001473A patent/KR20010022871A/ko not_active Application Discontinuation
- 1998-08-12 CA CA002295650A patent/CA2295650C/en not_active Expired - Fee Related
- 1998-08-12 BR BRPI9811302-0A patent/BR9811302B1/pt not_active IP Right Cessation
- 1998-08-12 AU AU91034/98A patent/AU9103498A/en not_active Abandoned
- 1998-08-12 TR TR2000/00413T patent/TR200000413T2/xx unknown
- 1998-08-12 CN CN98808177A patent/CN1130327C/zh not_active Expired - Fee Related
- 1998-08-12 ID IDW20000296A patent/ID24098A/id unknown
- 1998-08-12 ES ES98943187T patent/ES2177048T3/es not_active Expired - Lifetime
- 1998-08-12 EP EP98943187A patent/EP1003708B1/en not_active Expired - Lifetime
- 1998-08-14 MY MYPI98003701A patent/MY119060A/en unknown
- 1998-08-14 ZA ZA9807311A patent/ZA987311B/xx unknown
- 1998-08-14 AR ARP980104035A patent/AR013944A1/es active IP Right Grant
- 1998-08-18 CO CO98047033A patent/CO5040111A1/es unknown
- 1998-09-29 TW TW087116138A patent/TW502015B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TR200000413T2 (tr) | 2000-12-21 |
BR9811302B1 (pt) | 2009-12-01 |
TW502015B (en) | 2002-09-11 |
AU9103498A (en) | 1999-03-08 |
WO1999008990A1 (en) | 1999-02-25 |
ZA987311B (en) | 2000-02-14 |
KR20010022871A (ko) | 2001-03-26 |
ID24098A (id) | 2000-07-06 |
DE69806016T2 (de) | 2003-01-30 |
DE69806016D1 (de) | 2002-07-18 |
MY119060A (en) | 2005-03-31 |
AR013944A1 (es) | 2001-01-31 |
GB9717251D0 (en) | 1997-10-22 |
CO5040111A1 (es) | 2001-05-29 |
CN1130327C (zh) | 2003-12-10 |
CA2295650C (en) | 2008-06-03 |
BR9811302A (pt) | 2000-08-29 |
CN1267278A (zh) | 2000-09-20 |
EP1003708B1 (en) | 2002-06-12 |
EP1003708A1 (en) | 2000-05-31 |
CA2295650A1 (en) | 1999-02-25 |
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