SG80548A1 - Process for preparation of terephthalic acid - Google Patents

Process for preparation of terephthalic acid

Info

Publication number
SG80548A1
SG80548A1 SG9608574A SG1996008574A SG80548A1 SG 80548 A1 SG80548 A1 SG 80548A1 SG 9608574 A SG9608574 A SG 9608574A SG 1996008574 A SG1996008574 A SG 1996008574A SG 80548 A1 SG80548 A1 SG 80548A1
Authority
SG
Singapore
Prior art keywords
aliphatic carboxylic
aromatic polycarboxylic
preparation
carboxylic acid
acid
Prior art date
Application number
SG9608574A
Other languages
English (en)
Inventor
John Charles Gee
Jeffrey Ira Rozenfeld
Thomas Michael Bartos
Original Assignee
Amoco Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Amoco Corp filed Critical Amoco Corp
Publication of SG80548A1 publication Critical patent/SG80548A1/en

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)
  • Polyesters Or Polycarbonates (AREA)
  • Artificial Filaments (AREA)
SG9608574A 1991-04-12 1992-04-09 Process for preparation of terephthalic acid SG80548A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68522191A 1991-04-12 1991-04-12

Publications (1)

Publication Number Publication Date
SG80548A1 true SG80548A1 (en) 2001-05-22

Family

ID=24751239

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9608574A SG80548A1 (en) 1991-04-12 1992-04-09 Process for preparation of terephthalic acid

Country Status (10)

Country Link
EP (1) EP0579716B1 (ja)
JP (1) JP2620820B2 (ja)
KR (1) KR0180751B1 (ja)
AT (1) ATE156799T1 (ja)
BR (1) BR9205881A (ja)
DE (1) DE69221610T2 (ja)
ES (1) ES2104911T3 (ja)
RU (1) RU2114098C1 (ja)
SG (1) SG80548A1 (ja)
WO (1) WO1992018453A1 (ja)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9104776D0 (en) * 1991-03-07 1991-04-17 Ici Plc Process for the production of terephthalic acid
US7282151B2 (en) 2003-06-05 2007-10-16 Eastman Chemical Company Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration
US7494641B2 (en) 2003-06-05 2009-02-24 Eastman Chemical Company Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid
US7381386B2 (en) 2003-06-05 2008-06-03 Eastman Chemical Company Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid
US7452522B2 (en) 2003-06-05 2008-11-18 Eastman Chemical Company Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid
US7410632B2 (en) 2003-06-05 2008-08-12 Eastman Chemical Company Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid
US7351396B2 (en) 2003-06-05 2008-04-01 Eastman Chemical Company Extraction process for removal of impurities from an aqueous mixture
US7546747B2 (en) * 2004-01-15 2009-06-16 Eastman Chemical Company Process for production of a dried carboxylic acid cake suitable for use in polyester production
US20070238899A9 (en) 2004-09-02 2007-10-11 Robert Lin Optimized production of aromatic dicarboxylic acids
JP2008511653A (ja) * 2004-09-02 2008-04-17 イーストマン ケミカル カンパニー 芳香族ジカルボン酸の最適化製造
MX359077B (es) * 2004-09-02 2018-09-13 Grupo Petrotemex Sa De Cv Produccion optimizada de acidos dicarboxilicos aromaticos.
US7888530B2 (en) 2004-09-02 2011-02-15 Eastman Chemical Company Optimized production of aromatic dicarboxylic acids
US7897810B2 (en) 2004-09-02 2011-03-01 Eastman Chemical Company Optimized production of aromatic dicarboxylic acids
US7683210B2 (en) * 2004-09-02 2010-03-23 Eastman Chemical Company Optimized liquid-phase oxidation
US7273559B2 (en) 2004-10-28 2007-09-25 Eastman Chemical Company Process for removal of impurities from an oxidizer purge stream
MY144892A (en) * 2004-10-28 2011-11-30 Grupo Petrotemex Sa De Cv Process for removal of impurities from an oxidizer purge stream
US7291270B2 (en) 2004-10-28 2007-11-06 Eastman Chemical Company Process for removal of impurities from an oxidizer purge stream
US7897809B2 (en) 2005-05-19 2011-03-01 Eastman Chemical Company Process to produce an enrichment feed
US7557243B2 (en) 2005-05-19 2009-07-07 Eastman Chemical Company Enriched terephthalic acid composition
US7834208B2 (en) 2005-05-19 2010-11-16 Eastman Chemical Company Process to produce a post catalyst removal composition
US7919652B2 (en) 2005-05-19 2011-04-05 Eastman Chemical Company Process to produce an enriched composition through the use of a catalyst removal zone and an enrichment zone
US7304178B2 (en) 2005-05-19 2007-12-04 Eastman Chemical Company Enriched isophthalic acid composition
US7741516B2 (en) 2005-05-19 2010-06-22 Eastman Chemical Company Process to enrich a carboxylic acid composition
US7884231B2 (en) 2005-05-19 2011-02-08 Eastman Chemical Company Process to produce an enriched composition
US7880031B2 (en) 2005-05-19 2011-02-01 Eastman Chemical Company Process to produce an enrichment feed
US7432395B2 (en) 2005-05-19 2008-10-07 Eastman Chemical Company Enriched carboxylic acid composition
US7402694B2 (en) 2005-08-11 2008-07-22 Eastman Chemical Company Process for removal of benzoic acid from an oxidizer purge stream
US7569722B2 (en) 2005-08-11 2009-08-04 Eastman Chemical Company Process for removal of benzoic acid from an oxidizer purge stream
US7567717B1 (en) 2005-12-12 2009-07-28 American Megatrends, Inc. Method, system, and computer-readable medium for the adaptive filtering and compression of video data
US7897808B2 (en) 2006-03-01 2011-03-01 Eastman Chemical Company Versatile oxidation byproduct purge process
US7888529B2 (en) 2006-03-01 2011-02-15 Eastman Chemical Company Process to produce a post catalyst removal composition
US7863481B2 (en) 2006-03-01 2011-01-04 Eastman Chemical Company Versatile oxidation byproduct purge process
US7880032B2 (en) 2006-03-01 2011-02-01 Eastman Chemical Company Versatile oxidation byproduct purge process
US20070203359A1 (en) 2006-03-01 2007-08-30 Philip Edward Gibson Versatile oxidation byproduct purge process
MX2016008547A (es) 2013-12-30 2017-02-02 Bp Corp North America Inc Mezclas de alimentacion de acido carboxilico aromatico crudo presurizado.
JP2015140342A (ja) * 2014-01-30 2015-08-03 株式会社日立製作所 精製テレフタル酸の製造方法
CN105085231A (zh) * 2014-05-20 2015-11-25 天华化工机械及自动化研究设计院有限公司 一种pta工业装置氧化单元中醋酸溶剂的处理方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839436A (en) * 1969-05-26 1974-10-01 Standard Oil Co Integration of para-or meta-xylene oxidation to terephthalic acid or isophthalic acid and its purification by hydrogen treatment of aqueous solution
DE2161185B2 (de) * 1970-12-09 1976-11-11 Kuraray Yuka Co., Ltd., Tokio Verfahren zur entfernung von eisen und teeraehnlichen nebenprodukten aus einem einen schwermetalloxydationskatalysator enthaltenden rueckstand
EP0073076A2 (de) * 1981-08-04 1983-03-02 DrM, Dr. Müller AG Verfahren zur kontinuierlichen Eindickung von Suspensionen
US4782181A (en) * 1987-06-04 1988-11-01 Amoco Corporation Process for removal of high molecular weight impurities in the manufacture of purified terephthalic acid

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729268A1 (de) * 1987-09-02 1989-03-16 Henkel Kgaa Verfahren und anlage zur abtrennung und reinigung von celluloseethern und anderen cellulosederivaten

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839436A (en) * 1969-05-26 1974-10-01 Standard Oil Co Integration of para-or meta-xylene oxidation to terephthalic acid or isophthalic acid and its purification by hydrogen treatment of aqueous solution
DE2161185B2 (de) * 1970-12-09 1976-11-11 Kuraray Yuka Co., Ltd., Tokio Verfahren zur entfernung von eisen und teeraehnlichen nebenprodukten aus einem einen schwermetalloxydationskatalysator enthaltenden rueckstand
EP0073076A2 (de) * 1981-08-04 1983-03-02 DrM, Dr. Müller AG Verfahren zur kontinuierlichen Eindickung von Suspensionen
US4782181A (en) * 1987-06-04 1988-11-01 Amoco Corporation Process for removal of high molecular weight impurities in the manufacture of purified terephthalic acid

Also Published As

Publication number Publication date
EP0579716B1 (en) 1997-08-13
KR0180751B1 (ko) 1999-05-15
JPH06502653A (ja) 1994-03-24
ES2104911T3 (es) 1997-10-16
DE69221610T2 (de) 1998-03-26
EP0579716A1 (en) 1994-01-26
WO1992018453A1 (en) 1992-10-29
DE69221610D1 (de) 1997-09-18
BR9205881A (pt) 1994-08-23
ATE156799T1 (de) 1997-08-15
RU2114098C1 (ru) 1998-06-27
JP2620820B2 (ja) 1997-06-18

Similar Documents

Publication Publication Date Title
SG80548A1 (en) Process for preparation of terephthalic acid
CA2108269A1 (en) Process for preparation of crude terephthalic acid suitable for reduction to prepare purified terephthalic acid
RU93058133A (ru) Способ получения сырой ароматической поликарбоновой кислоты
DE69221858D1 (de) Verfahren zur rückgewinnung von gereinigter terephtalsäure
DE69325905T2 (de) Verfahren zur herstellung von gereinigter terphthalsäure
DE69006555T2 (de) Reinigungs- und Trennverfahren für eine Carbonsäure.
DE3777275D1 (de) Verfahren.
EP0479463A3 (en) Process for the production of carboxylic acid anhydrides
US4613678A (en) Esterification of aromatic dicarboxylic acids with cyclic alkylene carbonates
HK180496A (en) Manufacture of high-purity hydroxyacetic acid
US4032563A (en) Process for the recovery of high purity diesters of terephthalic or isophthalic acids
CA1188708A (en) Continuous procedure for obtaining pure terephthalic acid and glycol starting from polyethylene terephthalate waste
ATE99316T1 (de) Verfahren zur herstellung von hochreiner kristalliner lactulose und das so erhaltene produkt.
DE69205713D1 (de) Verfahren zur Herstellung gereinigter Alkansulfonsäuren.
ATE9230T1 (de) Polyolhaltige komponente mit hohem feststoffgehalt und verfahren zur herstellung von polyurethan-harzen daraus.
KR970006885B1 (ko) 2-하이드록시나프탈렌-6-카복실산의 정제방법
ES375942A1 (es) Procedimiento de deshidratacion del acido maleico en anhi- drido maleico.
US3530174A (en) Purification of organic acids
US3078303A (en) Purification of aromatic carboxylic acids
DE69028938D1 (de) Verfahren zur Reinigung von 3-alpha-7-beta-Dihydroxycholansäure
JPS5587744A (en) Recovery of terephthalic acid
US3002995A (en) Purification of salts of dialkyl esters of sulfosuccinic acid
JPS5726632A (en) Purifying method of glycol
Inoue et al. Process for Producing Poly(Para-Phenylene-Sulfide)
JPS5564569A (en) Purification of thioglycolic acid