IN2012DE01021A - - Google Patents

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Publication number
IN2012DE01021A
IN2012DE01021A IN1021DE2012A IN2012DE01021A IN 2012DE01021 A IN2012DE01021 A IN 2012DE01021A IN 1021DE2012 A IN1021DE2012 A IN 1021DE2012A IN 2012DE01021 A IN2012DE01021 A IN 2012DE01021A
Authority
IN
India
Prior art keywords
mother liquor
aqueous mixture
stream
concentrated mother
zone
Prior art date
Application number
Inventor
Lin Robert
De Vreede Marcel
Original Assignee
Grupo Petrotemex Sa De Cv
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 Grupo Petrotemex Sa De Cv filed Critical Grupo Petrotemex Sa De Cv
Publication of IN2012DE01021A publication Critical patent/IN2012DE01021A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • 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
    • 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
    • C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • 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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

A process to produce an aqueous mixture or a purified aqueous mixture said process comprising the following steps: (a) evaporating a mother liquor comprising a carboxylic acid, a metal catalyst, impurities, water and a solvent in a first evaporator zone to produce a vapor stream and a concentrated mother liquor stream; (b) evaporating said concentrated mother liquor stream in a second evaporator zone to form a solvent rich stream arid a super concentrated mother liquor stream; (c) mixing in a mixing zone a water-solvent solution with said super concentrated mother liquor stream to form said aqueous mixture; (d) optionally separating organic impurities from said aqueous mixture in a solid-liquid separation zone to form said purified aqueous mixture.
IN1021DE2012 2003-06-05 2012-04-02 IN2012DE01021A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/455,017 US7351396B2 (en) 2003-06-05 2003-06-05 Extraction process for removal of impurities from an aqueous mixture

Publications (1)

Publication Number Publication Date
IN2012DE01021A true IN2012DE01021A (en) 2015-07-24

Family

ID=33159562

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1021DE2012 IN2012DE01021A (en) 2003-06-05 2012-04-02

Country Status (13)

Country Link
US (1) US7351396B2 (en)
EP (1) EP1484305A1 (en)
JP (1) JP2004359691A (en)
KR (1) KR101169467B1 (en)
CN (1) CN100361951C (en)
AR (1) AR044618A1 (en)
BR (1) BRPI0401875A (en)
CA (1) CA2467002A1 (en)
IN (1) IN2012DE01021A (en)
MX (1) MXPA04005329A (en)
MY (1) MY141766A (en)
RU (1) RU2345814C2 (en)
TW (1) TW200510294A (en)

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US7273559B2 (en) 2004-10-28 2007-09-25 Eastman Chemical Company Process for removal of impurities from an oxidizer purge stream
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US7897809B2 (en) 2005-05-19 2011-03-01 Eastman Chemical Company Process to produce an enrichment feed
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US7888529B2 (en) 2006-03-01 2011-02-15 Eastman Chemical Company Process to produce a post catalyst removal composition
US7897808B2 (en) * 2006-03-01 2011-03-01 Eastman Chemical Company Versatile oxidation byproduct purge process
US7880032B2 (en) * 2006-03-01 2011-02-01 Eastman Chemical Company Versatile oxidation byproduct purge process
US9505692B2 (en) * 2008-10-31 2016-11-29 Grupo Petrotemex, S.A. De C.V. Dicarboxylic acid production with self-fuel oxidative destruction
US9493388B2 (en) 2008-10-31 2016-11-15 Grupo Petrotemex, S.A. De C.V. Dicarboxylic acid production with direct fired off-gas heating
US9493389B2 (en) * 2008-10-31 2016-11-15 Grupo Petrotemex, S.A. De C.V. Dicarboxylic acid production with enhanced energy recovery
US9493387B2 (en) * 2008-10-31 2016-11-15 Grupo Petrotemex, S.A. De C.V. Dicarboxylic acid production with minimal wastewater generation
US20100113735A1 (en) * 2008-10-31 2010-05-06 Eastman Chemical Company Integrated Co-Production of Dicarboxylic Acids
US8382961B2 (en) * 2010-06-07 2013-02-26 Amt International, Inc. System and method for reduction of water consumption in purified terephthalic acid production
CN102092904B (en) * 2011-01-05 2012-07-04 甘肃农业大学 Treatment and resource-utilizing technology of dibenzoyl peroxide production wastewater
CN104447296B (en) * 2013-09-18 2016-06-08 中国石油化工股份有限公司 A kind of reclaim the method for aromatic in purified terephthalic acid wastewater
CN104725212B (en) * 2015-03-30 2016-02-10 王屹翀 Inhale the method for additional steam Desorption separation acetic acid/aqueous systems
CN112920044A (en) * 2021-03-12 2021-06-08 湖南弘润化工科技有限公司 Device and method for recycling benzoic acid from biphenyl substances

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Also Published As

Publication number Publication date
US7351396B2 (en) 2008-04-01
RU2345814C2 (en) 2009-02-10
KR20040108592A (en) 2004-12-24
CN1572764A (en) 2005-02-02
CN100361951C (en) 2008-01-16
EP1484305A1 (en) 2004-12-08
MXPA04005329A (en) 2004-12-08
US20040249207A1 (en) 2004-12-09
KR101169467B1 (en) 2012-07-30
JP2004359691A (en) 2004-12-24
RU2004117062A (en) 2005-11-20
MY141766A (en) 2010-06-30
BRPI0401875A (en) 2005-08-09
TW200510294A (en) 2005-03-16
AR044618A1 (en) 2005-09-21
CA2467002A1 (en) 2004-12-05

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