BR112014021765A2 - PROCESS FOR THE RECOVERY OF PTA OXIDATION CATALYST DURING THE MANUFACTURING OF PTA - Google Patents

PROCESS FOR THE RECOVERY OF PTA OXIDATION CATALYST DURING THE MANUFACTURING OF PTA

Info

Publication number
BR112014021765A2
BR112014021765A2 BR112014021765A BR112014021765A BR112014021765A2 BR 112014021765 A2 BR112014021765 A2 BR 112014021765A2 BR 112014021765 A BR112014021765 A BR 112014021765A BR 112014021765 A BR112014021765 A BR 112014021765A BR 112014021765 A2 BR112014021765 A2 BR 112014021765A2
Authority
BR
Brazil
Prior art keywords
pta
recovery
manufacturing
oxidation catalyst
catalyst during
Prior art date
Application number
BR112014021765A
Other languages
Portuguese (pt)
Inventor
Veera Uppara Parasu
Aduri Pavankumar
Mathew Thomas
Ratnaparkhi Uday
Sharma Ananth
Ukil Tamagna
S Ghadge Rajaram
Original Assignee
Reliance Industries Ltd
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 Reliance Industries Ltd filed Critical Reliance Industries Ltd
Publication of BR112014021765A2 publication Critical patent/BR112014021765A2/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
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/41—Preparation of salts of carboxylic acids
    • C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

PROCESSO PARA A RECUPERAÇÃO DE CATALISADORES DE OXIDAÇÃO PTA DURANTE A FABRICAÇÃO DE PTA. A presente descrição proporciona um processo para a recuperação catalisadores de oxidação de PTA (ácido tereftálico purificado) durante a fabricação de PTA, utilizando um catalisador ácido, contendo fluxo de reação resultante a partir da hidrólise de um éster orgânico.PROCESS FOR THE RECOVERY OF PTA OXIDATION CATALYST DURING THE MANUFACTURING OF PTA. The present description provides a process for the recovery of PTA oxidation catalysts (purified terephthalic acid) during the manufacture of PTA, using an acid catalyst, containing reaction flux resulting from the hydrolysis of an organic ester.

BR112014021765A 2012-03-05 2012-04-20 PROCESS FOR THE RECOVERY OF PTA OXIDATION CATALYST DURING THE MANUFACTURING OF PTA BR112014021765A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN577MU2012 2012-03-05
PCT/IN2012/000291 WO2013132507A1 (en) 2012-03-05 2012-04-20 An integrated process for the recovery of metal catalysts during the manufacture of purified terephthalic acid

Publications (1)

Publication Number Publication Date
BR112014021765A2 true BR112014021765A2 (en) 2017-08-22

Family

ID=46888517

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014021765A BR112014021765A2 (en) 2012-03-05 2012-04-20 PROCESS FOR THE RECOVERY OF PTA OXIDATION CATALYST DURING THE MANUFACTURING OF PTA

Country Status (5)

Country Link
CN (1) CN104144906B (en)
BR (1) BR112014021765A2 (en)
HK (1) HK1203479A1 (en)
PT (1) PT2013132507W (en)
WO (1) WO2013132507A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB687902A (en) 1950-04-27 1953-02-25 Melle Usines Sa Improvements in or relating to processes for the hydrolysis of methyl acetate and the treatment of aqueous mixtures of methyl acetate, methyl alcohol and acetic acid so obtained
DE3151383C1 (en) * 1981-12-24 1983-06-09 Dynamit Nobel Ag, 5210 Troisdorf Process for the recovery and reuse of cobalt and / or manganese catalyst components
US4587355A (en) * 1984-08-22 1986-05-06 Amoco Corporation Oxidation with a solid catalyst
CN100418939C (en) 2006-09-15 2008-09-17 福州大学 Hydrolysis process of methyl acetate as by-product of producing refined terephthalic acid and apparatus thereof
TWI322801B (en) 2006-12-05 2010-04-01 Univ Nat Taiwan Separation system and method for hydrolysis of methyl acetate
KR100888065B1 (en) 2007-11-15 2009-03-11 아신기술 주식회사 Improvedprocess for methyl acetate hydrolysis
CN101531588B (en) * 2008-03-13 2016-02-24 周向进 The manufacture method of a kind of new pure terephthalic acid
CN101481293B (en) 2009-02-20 2012-05-30 南京工业大学 Catalytic hydrolysis process for byproduct methyl acetate in production of purified terephthalic acid

Also Published As

Publication number Publication date
PT2013132507W (en) 2015-05-20
CN104144906B (en) 2016-08-17
CN104144906A (en) 2014-11-12
WO2013132507A1 (en) 2013-09-12
HK1203479A1 (en) 2015-10-30

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO ARQUIVAMENTO PUBLICADO NA RPI 2510 DE 12/02/2019.