IT7968516A0 - Procedimento per la preparazione dell acido tereftalico ad elevata purezza - Google Patents

Procedimento per la preparazione dell acido tereftalico ad elevata purezza

Info

Publication number
IT7968516A0
IT7968516A0 IT7968516A IT6851679A IT7968516A0 IT 7968516 A0 IT7968516 A0 IT 7968516A0 IT 7968516 A IT7968516 A IT 7968516A IT 6851679 A IT6851679 A IT 6851679A IT 7968516 A0 IT7968516 A0 IT 7968516A0
Authority
IT
Italy
Prior art keywords
procedure
preparation
terephthalic acid
high purity
purity terephthalic
Prior art date
Application number
IT7968516A
Other languages
English (en)
Other versions
IT1198297B (it
Original Assignee
Mitsubishi Gas Chemical 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 Mitsubishi Gas Chemical Co filed Critical Mitsubishi Gas Chemical Co
Publication of IT7968516A0 publication Critical patent/IT7968516A0/it
Application granted granted Critical
Publication of IT1198297B publication Critical patent/IT1198297B/it

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
    • 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

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)
IT68516/79A 1978-07-21 1979-07-20 Procedimento per la preparazione dell acido tereftalico ad elevata purezza IT1198297B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8899278A JPS5517309A (en) 1978-07-21 1978-07-21 Preparation of high purity terephthalic acid

Publications (2)

Publication Number Publication Date
IT7968516A0 true IT7968516A0 (it) 1979-07-20
IT1198297B IT1198297B (it) 1988-12-21

Family

ID=13958296

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68516/79A IT1198297B (it) 1978-07-21 1979-07-20 Procedimento per la preparazione dell acido tereftalico ad elevata purezza

Country Status (7)

Country Link
US (1) US4268690A (it)
JP (1) JPS5517309A (it)
DE (1) DE2928361C2 (it)
FR (1) FR2431479A1 (it)
GB (1) GB2025956B (it)
IT (1) IT1198297B (it)
NL (1) NL180098C (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072162B (en) * 1980-03-21 1984-03-21 Labofina Sa Process for the production and the recovery of terephthalic acid
DE3170255D1 (en) * 1980-06-10 1985-06-05 Ici Plc Oxidation of substituted aromatic compounds to aromatic carboxylic acids
EP0041784A1 (en) * 1980-06-10 1981-12-16 Imperial Chemical Industries Plc Oxidation of substituted aromatic compounds to aromatic carboxylic acids
US4334086A (en) * 1981-03-16 1982-06-08 Labofina S.A. Production of terephthalic acid
JPS6056696B2 (ja) * 1982-01-18 1985-12-11 三菱瓦斯化学株式会社 芳香族ポリカルボン酸を製造する方法
JPS58132536A (ja) * 1982-02-03 1983-08-06 Eagle Ind Co Ltd 中空リングの継手接合方法
JP2545103B2 (ja) * 1987-12-17 1996-10-16 三井石油化学工業株式会社 テレフタル酸スラリ―の分散媒交換方法
US5142097A (en) * 1991-05-31 1992-08-25 E. I. Du Pont De Nemours And Company Recovery and recycle of acetic acid in an oxidation process
US6013835A (en) * 1995-06-07 2000-01-11 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
US5929274A (en) * 1995-06-07 1999-07-27 Hfm International, Inc. Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid
US5767311A (en) * 1995-06-07 1998-06-16 Glitsch International, Inc. Method and apparatus for preparing purified terephtalic acid
US6054610A (en) * 1995-06-07 2000-04-25 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes
CA2343400A1 (en) 1998-09-10 2000-03-23 Exxonmobil Chemical Patents, Inc. Process for making aromatic aldehydes
US7276625B2 (en) * 2002-10-15 2007-10-02 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
EP1569888A1 (en) * 2002-12-09 2005-09-07 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
US7132566B2 (en) * 2003-09-22 2006-11-07 Eastman Chemical Company Process for the purification of a crude carboxylic acid slurry
US7074954B2 (en) * 2002-12-09 2006-07-11 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
US7161027B2 (en) * 2002-12-09 2007-01-09 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
US7193109B2 (en) 2003-03-06 2007-03-20 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
EP1669140B1 (en) * 2003-10-03 2010-11-03 Mitsubishi Gas Chemical Company, Inc. Method of washing solid grain
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
US7214760B2 (en) * 2004-01-15 2007-05-08 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
US20070179312A1 (en) * 2006-02-02 2007-08-02 O'meadhra Ruairi Seosamh Process for the purification of a crude carboxylic axid slurry
US8455680B2 (en) 2008-01-15 2013-06-04 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
US8614350B2 (en) 2008-01-15 2013-12-24 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
TWI640504B (zh) * 2014-02-20 2018-11-11 印度商瑞來斯實業公司 將烷基芳族化合物氧化成芳族羧酸之方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2838565A (en) * 1953-07-17 1958-06-10 Ici Ltd Purification of terephthalic acid
DE1112973B (de) * 1954-09-08 1961-08-24 Ici Ltd Vorrichtung zur Reinigung von Terephthalsaeure
BE550529A (it) * 1955-08-24
FR68191E (fr) * 1955-09-02 1958-04-09 Ici Ltd Purification de l'acide téréphtalique
FR69410E (fr) * 1956-02-10 1958-11-06 Ici Ltd Purification de l'acide téréphtalique
FR1433325A (fr) * 1963-03-29 1966-04-01 Standard Oil Co Perfectionnements à la purification de l'acide téréphtalique
US3522298A (en) * 1966-03-30 1970-07-28 Mobil Oil Corp Terephthalic acid purification process
US3497552A (en) * 1966-07-18 1970-02-24 Standard Oil Co Continuous crystallization in a plurality of cooling stages using dilutions by cooled solvent of feed to each stage
US3584039A (en) * 1967-08-30 1971-06-08 Standard Oil Co Fiber-grade terephthalic acid by catalytic hydrogen treatment of dissolved impure terephthalic acid
FR2001960A1 (fr) * 1969-02-14 1969-10-03 Celanese Corp Procede de purification d'acide terephtalique
GB1290981A (it) * 1970-01-21 1972-09-27
US3678106A (en) * 1970-04-02 1972-07-18 Fmc Corp OXIDATION OF p-XYLENE AND p-TOLUIC ACID TO TEREPHTHALIC ACID IN AQUEOUS MEDIUM
US3845117A (en) * 1972-12-14 1974-10-29 Halcon International Inc Process for preparation of phthalic acids
GB2000493B (en) * 1977-07-04 1982-02-03 Ici Ltd Oxidation process
US4330676A (en) * 1977-07-04 1982-05-18 Imperial Chemical Industries Limited Oxidation process
JPS5931491B2 (ja) * 1977-08-12 1984-08-02 三井化学株式会社 テレフタル酸懸濁液中の母液を置換分離する方法
JPS5490132A (en) * 1977-12-07 1979-07-17 Mitsubishi Gas Chem Co Inc Preparation of high purity terephthalic acid

Also Published As

Publication number Publication date
FR2431479A1 (fr) 1980-02-15
GB2025956B (en) 1982-11-24
NL180098C (nl) 1987-01-02
US4268690A (en) 1981-05-19
JPS5517309A (en) 1980-02-06
JPS5641618B2 (it) 1981-09-29
FR2431479B1 (it) 1984-05-18
GB2025956A (en) 1980-01-30
DE2928361C2 (de) 1985-04-25
NL7905634A (nl) 1980-01-23
IT1198297B (it) 1988-12-21
NL180098B (nl) 1986-08-01
DE2928361A1 (de) 1980-02-28

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