AR042320A1 - Procedimiento para la purificacion oxidativa de acido tereftalico - Google Patents

Procedimiento para la purificacion oxidativa de acido tereftalico

Info

Publication number
AR042320A1
AR042320A1 ARP030104499A ARP030104499A AR042320A1 AR 042320 A1 AR042320 A1 AR 042320A1 AR P030104499 A ARP030104499 A AR P030104499A AR P030104499 A ARP030104499 A AR P030104499A AR 042320 A1 AR042320 A1 AR 042320A1
Authority
AR
Argentina
Prior art keywords
procedure
carboxylic acid
purified carboxylic
oxidative purification
suspension
Prior art date
Application number
ARP030104499A
Other languages
English (en)
Original Assignee
Eastman Chem Co
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 Eastman Chem Co filed Critical Eastman Chem Co
Publication of AR042320A1 publication Critical patent/AR042320A1/es

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
    • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Se describe un procedimiento para producir una suspensión de ácido carboxílico purificado. El procedimiento comprende remover las impurezas de un producto cristalizado en una zona de desplazamiento de sólido-líquido para formar la suspensión de ácido carboxílico purificado. El procedimiento produce un producto de ácido carboxílico purificado que tiene buen color y bajos niveles de impurezas sin usar etapas de purificación, tales como hidrógenación o un procedimiento de remoción de impurezas.
ARP030104499A 2002-12-09 2003-12-05 Procedimiento para la purificacion oxidativa de acido tereftalico AR042320A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31529502A 2002-12-09 2002-12-09
US10/645,737 US7074954B2 (en) 2002-12-09 2003-08-21 Process for the oxidative purification of terephthalic acid

Publications (1)

Publication Number Publication Date
AR042320A1 true AR042320A1 (es) 2005-06-15

Family

ID=32468657

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP030104499A AR042320A1 (es) 2002-12-09 2003-12-05 Procedimiento para la purificacion oxidativa de acido tereftalico

Country Status (5)

Country Link
US (1) US7074954B2 (es)
CN (2) CN1310866C (es)
AR (1) AR042320A1 (es)
MY (1) MY130802A (es)
TW (1) TW200420534A (es)

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US7589231B2 (en) * 2004-09-02 2009-09-15 Eastman Chemical Company Optimized liquid-phase oxidation
US7572936B2 (en) 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7381836B2 (en) * 2004-09-02 2008-06-03 Eastman Chemical Company Optimized liquid-phase oxidation
US7482482B2 (en) * 2004-09-02 2009-01-27 Eastman Chemical Company Optimized liquid-phase oxidation
US7371894B2 (en) * 2004-09-02 2008-05-13 Eastman Chemical Company Optimized liquid-phase oxidation
US7608733B2 (en) * 2004-09-02 2009-10-27 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
US7291270B2 (en) * 2004-10-28 2007-11-06 Eastman Chemical Company Process for removal of impurities from an oxidizer purge stream
US20060116531A1 (en) * 2004-11-29 2006-06-01 Wonders Alan G Modeling of liquid-phase oxidation
US7884232B2 (en) 2005-06-16 2011-02-08 Eastman Chemical Company Optimized liquid-phase oxidation
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
US7358389B2 (en) * 2006-01-04 2008-04-15 Eastman Chemical Company Oxidation system employing internal structure for enhanced hydrodynamics
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US7772424B2 (en) * 2006-03-01 2010-08-10 Eastman Chemical Company Polycarboxylic acid production system employing enhanced evaporative concentration downstream of oxidative digestion
US7501537B2 (en) * 2006-03-01 2009-03-10 Eastman Chemical Company Polycarboxylic acid production system employing oxidative digestion with reduced or eliminated upstream liquor exchange
US7326808B2 (en) * 2006-03-01 2008-02-05 Eastman Chemical Company Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system
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US7863481B2 (en) * 2006-03-01 2011-01-04 Eastman Chemical Company Versatile oxidation byproduct purge process
US7847121B2 (en) * 2006-03-01 2010-12-07 Eastman Chemical Company Carboxylic acid production process
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US7462736B2 (en) * 2006-03-01 2008-12-09 Eastman Chemical Company Methods and apparatus for isolating carboxylic acid
US7880032B2 (en) * 2006-03-01 2011-02-01 Eastman Chemical Company Versatile oxidation byproduct purge process
US7816556B2 (en) * 2006-03-01 2010-10-19 Eastman Chemical Company Polycarboxylic acid production system employing enhanced multistage oxidative digestion
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US7863483B2 (en) * 2006-03-01 2011-01-04 Eastman Chemical Company Carboxylic acid production process
US7420082B2 (en) * 2006-03-01 2008-09-02 Eastman Chemical Company Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestion
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Also Published As

Publication number Publication date
CN1310866C (zh) 2007-04-18
CN1723183A (zh) 2006-01-18
US20040110980A1 (en) 2004-06-10
US7074954B2 (en) 2006-07-11
MY130802A (en) 2007-07-31
CN100338007C (zh) 2007-09-19
CN1723185A (zh) 2006-01-18
TW200420534A (en) 2004-10-16

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