BR0209833A - Processo para a produção de um ácido benzenodicarbixìlico - Google Patents

Processo para a produção de um ácido benzenodicarbixìlico

Info

Publication number
BR0209833A
BR0209833A BR0209833-4A BR0209833A BR0209833A BR 0209833 A BR0209833 A BR 0209833A BR 0209833 A BR0209833 A BR 0209833A BR 0209833 A BR0209833 A BR 0209833A
Authority
BR
Brazil
Prior art keywords
acid
benzenedicarboxylic
molecular oxygen
oxidation zone
benzenedicarboxylic acid
Prior art date
Application number
BR0209833-4A
Other languages
English (en)
Inventor
Ronald Buford Sheppard
Charles Edwan Summer Jr
Brent Alan Tennant
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 BR0209833A publication Critical patent/BR0209833A/pt

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
    • C07C51/16—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

Landscapes

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

Abstract

"PROCESSO PARA A PRODUçãO DE UM áCIDO BENZENODICARBOXìLICO". é apresentado um processo para produzir um ácido benzenodicarboxílico como o ácido tereftálico onde um composto de dialquilbenzeno e ácido acético tendo componentes catalíticos dissolvidos nos mesmos são administrados para uma primeira zona de reação onde o composto de dialquilbenzeno é oxidado com oxigênio molecular para produzir um produto da primeira zona de oxidação, composto de um ácido benzenodicarboxílico contendo quantidades pequenas de subprodutos de ácido monocarboxílico como carboxibenzaldeído e ácido toluico. O produto da primeira zona de oxidação compreendendo uma suspensão de ácido benzenodicarboxílico contendo quantidades pequenas de subprodutos do ácido monocarboxílico é alimentada para uma segunda zona de reação de oxidação que é operada sob condições mais severas de temperatura e pressão. A vazão da alimentação de um gás contendo oxigênio molecular para a segunda zona de oxidação é 3% ou menos do que a vazão de alimentação do gás contendo oxigênio molecular para a primeira zona de oxidação. O produto de ácido benzenodicarboxílico obtido contém uma concentração total de carboxibenzaldeído e ácido toluico de 150 ppmp ou menos.
BR0209833-4A 2001-06-04 2002-06-04 Processo para a produção de um ácido benzenodicarbixìlico BR0209833A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US29561801P 2001-06-04 2001-06-04
US10/156,312 US7485747B2 (en) 2001-06-04 2002-05-28 Two stage oxidation process for the production of aromatic dicarboxylic acids
PCT/US2002/017218 WO2002098834A1 (en) 2001-06-04 2002-06-04 Two stage oxidation process for the production of aromatic dicarboxylic acids

Publications (1)

Publication Number Publication Date
BR0209833A true BR0209833A (pt) 2004-06-15

Family

ID=26853056

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0209833-4A BR0209833A (pt) 2001-06-04 2002-06-04 Processo para a produção de um ácido benzenodicarbixìlico

Country Status (12)

Country Link
US (1) US7485747B2 (pt)
EP (2) EP2223908B1 (pt)
JP (3) JP2004529197A (pt)
KR (1) KR100896383B1 (pt)
CN (1) CN100445256C (pt)
BR (1) BR0209833A (pt)
CA (1) CA2448071C (pt)
ES (1) ES2645093T3 (pt)
MX (1) MXPA03010971A (pt)
PT (1) PT2223908T (pt)
RU (1) RU2337903C2 (pt)
WO (1) WO2002098834A1 (pt)

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US7507857B2 (en) 2004-09-02 2009-03-24 Eastman Chemical Company Optimized liquid-phase oxidation
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US7381836B2 (en) 2004-09-02 2008-06-03 Eastman Chemical Company Optimized liquid-phase oxidation
US7692037B2 (en) 2004-09-02 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7504535B2 (en) 2004-09-02 2009-03-17 Eastman Chemical Company Optimized liquid-phase oxidation
US7692036B2 (en) 2004-11-29 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
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US7884232B2 (en) 2005-06-16 2011-02-08 Eastman Chemical Company Optimized liquid-phase oxidation
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US20070155987A1 (en) * 2006-01-04 2007-07-05 O'meadhra Ruairi S Oxidative digestion with optimized agitation
US20070179312A1 (en) * 2006-02-02 2007-08-02 O'meadhra Ruairi Seosamh Process for the purification of a crude carboxylic axid slurry
US7816556B2 (en) * 2006-03-01 2010-10-19 Eastman Chemical Company Polycarboxylic acid production system employing enhanced multistage oxidative digestion
US7393973B2 (en) * 2006-03-01 2008-07-01 Eastman Chemical Company Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion
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
US7326807B2 (en) * 2006-03-01 2008-02-05 Eastman Chemical Company Polycarboxylic acid production system with enhanced heating for oxidative digestion
US7420082B2 (en) * 2006-03-01 2008-09-02 Eastman Chemical Company Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestion
US20070208194A1 (en) * 2006-03-01 2007-09-06 Woodruff Thomas E Oxidation system with sidedraw secondary reactor
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
WO2008082501A1 (en) * 2006-12-21 2008-07-10 E.I. Du Pont De Nemours And Company Process for the synthesis of halogenated aromatic diacids
DE102009036295A1 (de) * 2009-08-06 2011-02-10 Lurgi Gmbh Verfahren und Anlage zur Herstellung von Phthalsäure/Phthalsäureanhydrid
WO2011041337A2 (en) * 2009-10-02 2011-04-07 Invista Technologies S. A. R. L. Systems and methods for reducing entrainment background
EP2308834A1 (de) * 2009-10-05 2011-04-13 Basf Se Verfahren zur Isolierung von Methylglycinnitril-N,N-diacetonitril
EP2522426B1 (en) 2011-05-12 2014-02-12 King Saud University Method for preparing carboxylic acids
US9024059B2 (en) 2011-12-29 2015-05-05 Uop Llc Process for producing terephthalic acid
US9045408B2 (en) * 2011-12-29 2015-06-02 Uop Llc Process for oxidizing alkyl-aromatic compounds
US8927764B2 (en) 2011-12-29 2015-01-06 Uop Llc Process for producing terephthalic acid
US8946471B2 (en) * 2011-12-29 2015-02-03 Uop Llc Process for oxidizing an alkyl-aromatic compound
US9085522B2 (en) * 2011-12-29 2015-07-21 Uop Llc Process for producing terephthalic acid
US9156765B2 (en) * 2011-12-29 2015-10-13 Uop Llc Process for oxidizing alkyl-aromatic compounds
US20140121406A1 (en) * 2012-10-31 2014-05-01 Invista North America S.A.R.L. Pure plant mother liquor solvent extraction system and method
US9233905B2 (en) 2012-12-14 2016-01-12 Uop Llc Oxidation and crystallization process for aromatic carboxylic acid production
US9388110B2 (en) 2013-12-12 2016-07-12 Saudi Arabian Oil Company Liquid phase oxidation of aromatic feedstocks with manganate recycling to produce carboxylic acids
GB201417871D0 (en) * 2014-10-09 2014-11-26 Invista Technologies S.�.R.L. Production of an aromatic dicarboxylic acid
CN106565457B (zh) * 2015-10-09 2020-09-08 中国石化仪征化纤有限责任公司 以混合芳烃为原料制备聚合级对苯二甲酸和间苯二甲酸两种产品的方法
CN106220489B (zh) * 2016-07-25 2018-12-18 浙江大学 以对二甲苯抽余液为原料生产间苯二甲酸的方法
CN106167451B (zh) * 2016-07-25 2018-12-18 浙江大学 间二甲苯与乙苯多步共氧化生产芳香羧酸的方法
CN108623065B (zh) 2017-03-22 2020-08-25 天华化工机械及自动化研究设计院有限公司 Pta精制单元母液的回收利用方法
CN107963964A (zh) * 2017-11-02 2018-04-27 华东理工大学 间苯二甲酸的制备方法

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Also Published As

Publication number Publication date
CA2448071C (en) 2009-09-15
ES2645093T3 (es) 2017-12-04
MXPA03010971A (es) 2004-02-27
US7485747B2 (en) 2009-02-03
JP2013010801A (ja) 2013-01-17
PT2223908T (pt) 2017-11-09
RU2337903C2 (ru) 2008-11-10
WO2002098834A1 (en) 2002-12-12
JP5670981B2 (ja) 2015-02-18
CN100445256C (zh) 2008-12-24
EP1392634A1 (en) 2004-03-03
JP2004529197A (ja) 2004-09-24
KR20040004687A (ko) 2004-01-13
JP2009263382A (ja) 2009-11-12
EP2223908B1 (en) 2017-07-26
RU2003137819A (ru) 2005-04-20
US20020183546A1 (en) 2002-12-05
CA2448071A1 (en) 2002-12-12
EP2223908A1 (en) 2010-09-01
JP5209573B2 (ja) 2013-06-12
KR100896383B1 (ko) 2009-05-08
CN1512976A (zh) 2004-07-14

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PEDIDO DE ACORDO COM O(S) ARTIGO(S) 8O, 13 E 25 DA LPI.

B12B Appeal against refusal [chapter 12.2 patent gazette]
B25G Requested change of headquarter approved

Owner name: EASTMAN CHEMICAL COMPANY (US)

B25A Requested transfer of rights approved

Owner name: GRUPO PETROTEMEX, S.A. DE C.V. (MX)