IT1041434B - PROCEDURE FOR THE PRODUCTION OF TEREPHTHALIC ACID - Google Patents

PROCEDURE FOR THE PRODUCTION OF TEREPHTHALIC ACID

Info

Publication number
IT1041434B
IT1041434B IT68980/75A IT6898075A IT1041434B IT 1041434 B IT1041434 B IT 1041434B IT 68980/75 A IT68980/75 A IT 68980/75A IT 6898075 A IT6898075 A IT 6898075A IT 1041434 B IT1041434 B IT 1041434B
Authority
IT
Italy
Prior art keywords
procedure
production
terephthalic acid
terephthalic
acid
Prior art date
Application number
IT68980/75A
Other languages
Italian (it)
Original Assignee
Mitsubishi Chem Ind
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 Chem Ind filed Critical Mitsubishi Chem Ind
Application granted granted Critical
Publication of IT1041434B publication Critical patent/IT1041434B/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
    • C07C51/16—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
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/14—Monocyclic dicarboxylic acids
    • C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
    • C07C63/26—1,4 - Benzenedicarboxylic acid

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)
IT68980/75A 1974-07-31 1975-07-30 PROCEDURE FOR THE PRODUCTION OF TEREPHTHALIC ACID IT1041434B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8783574A JPS5614101B2 (en) 1974-07-31 1974-07-31

Publications (1)

Publication Number Publication Date
IT1041434B true IT1041434B (en) 1980-01-10

Family

ID=13925976

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68980/75A IT1041434B (en) 1974-07-31 1975-07-30 PROCEDURE FOR THE PRODUCTION OF TEREPHTHALIC ACID

Country Status (7)

Country Link
JP (1) JPS5614101B2 (en)
KR (1) KR800001084B1 (en)
BR (1) BR7504901A (en)
DE (1) DE2534161C2 (en)
FR (1) FR2280626A1 (en)
GB (1) GB1454478A (en)
IT (1) IT1041434B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021747B1 (en) * 1979-07-02 1983-05-18 Imperial Chemical Industries Plc Process for the preparation of terephthalic acid
JPH0213652U (en) * 1988-07-11 1990-01-29
US7196215B2 (en) 2001-06-04 2007-03-27 Eastman Chemical Company Process for the production of purified terephthalic acid
US7485747B2 (en) * 2001-06-04 2009-02-03 Eastman Chemical Company Two stage oxidation process for the production of aromatic dicarboxylic acids
US20040215036A1 (en) 2003-04-25 2004-10-28 Robert Lin Method for heating a crude carboxylic acid slurry in a post oxidation zone by the addition of steam
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
US7420082B2 (en) 2006-03-01 2008-09-02 Eastman Chemical Company Polycarboxylic acid production system employing hot liquor removal downstream of 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
US7393973B2 (en) * 2006-03-01 2008-07-01 Eastman Chemical Company Polycarboxylic acid production system with enhanced residence time distribution for 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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB983677A (en) * 1962-04-27 1965-02-17 Mitsui Petrochemical Ind A process for the preparation of terephthalic acid having extremely high purity
BE670307A (en) * 1964-12-14 1900-01-01
DE2154147C3 (en) * 1970-11-01 1978-03-16 Maruzen Oil Co., Ltd., Osaka (Japan) Process for the production of terephthalic acid

Also Published As

Publication number Publication date
JPS5614101B2 (en) 1981-04-02
KR800001084B1 (en) 1980-10-06
GB1454478A (en) 1976-11-03
FR2280626A1 (en) 1976-02-27
BR7504901A (en) 1977-03-01
DE2534161A1 (en) 1976-02-12
JPS5116630A (en) 1976-02-10
FR2280626B1 (en) 1980-04-18
DE2534161C2 (en) 1983-08-18

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