CA1079297A - Continuous process for producing therephthalic acid - Google Patents

Continuous process for producing therephthalic acid

Info

Publication number
CA1079297A
CA1079297A CA286,555A CA286555A CA1079297A CA 1079297 A CA1079297 A CA 1079297A CA 286555 A CA286555 A CA 286555A CA 1079297 A CA1079297 A CA 1079297A
Authority
CA
Canada
Prior art keywords
oxidation
terephthalic acid
mother liquor
continuous process
reactor
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA286,555A
Other languages
English (en)
French (fr)
Inventor
Yoshiaki Izumisawa
Hiroshi Hashizume
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
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 Kasei Corp filed Critical Mitsubishi Kasei Corp
Application granted granted Critical
Publication of CA1079297A publication Critical patent/CA1079297A/en
Expired legal-status Critical Current

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
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA286,555A 1976-09-16 1977-09-12 Continuous process for producing therephthalic acid Expired CA1079297A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51111015A JPS5949212B2 (ja) 1976-09-16 1976-09-16 テレフタル酸の製造法

Publications (1)

Publication Number Publication Date
CA1079297A true CA1079297A (en) 1980-06-10

Family

ID=14550224

Family Applications (1)

Application Number Title Priority Date Filing Date
CA286,555A Expired CA1079297A (en) 1976-09-16 1977-09-12 Continuous process for producing therephthalic acid

Country Status (9)

Country Link
JP (1) JPS5949212B2 (pt)
BE (1) BE858814A (pt)
CA (1) CA1079297A (pt)
DE (1) DE2741382A1 (pt)
ES (1) ES462370A1 (pt)
GB (1) GB1589310A (pt)
IT (1) IT1090868B (pt)
PH (1) PH12993A (pt)
PT (1) PT67039B (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555138A (en) * 1978-10-19 1980-04-22 Mitsubishi Chem Ind Ltd Preparation of highly pure terephthalic acid
US4334086A (en) * 1981-03-16 1982-06-08 Labofina S.A. Production of terephthalic acid
JPS5992295A (ja) * 1982-11-15 1984-05-28 Mitsubishi Heavy Ind Ltd 高速艇の舵
JPS59143790A (ja) * 1983-02-05 1984-08-17 Hitachi Zosen Corp 高速船の横揺れ制御装置
JP2581979B2 (ja) * 1989-07-12 1997-02-19 川崎重工業株式会社 水中翼船の緊急着水姿勢制御装置
US5087741A (en) * 1990-11-29 1992-02-11 Eastman Kodak Company Continuous production of aromatic carboxylic acids
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
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
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
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
US7393973B2 (en) * 2006-03-01 2008-07-01 Eastman Chemical Company Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion
US7326807B2 (en) 2006-03-01 2008-02-05 Eastman Chemical Company Polycarboxylic acid production system with enhanced heating for oxidative digestion
US7816556B2 (en) 2006-03-01 2010-10-19 Eastman Chemical Company Polycarboxylic acid production system employing enhanced multistage 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
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

Also Published As

Publication number Publication date
GB1589310A (en) 1981-05-13
JPS5337636A (en) 1978-04-06
PT67039A (en) 1977-10-01
DE2741382A1 (de) 1978-03-23
BE858814A (fr) 1978-01-16
PH12993A (en) 1979-10-29
IT1090868B (it) 1985-06-26
JPS5949212B2 (ja) 1984-12-01
PT67039B (en) 1979-02-15
ES462370A1 (es) 1978-06-01

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Legal Events

Date Code Title Description
MKEX Expiry