BR7504901A - Aperfeicoamento em processo para a producao de acido tereftalico - Google Patents

Aperfeicoamento em processo para a producao de acido tereftalico

Info

Publication number
BR7504901A
BR7504901A BR7504901A BR7504901A BR7504901A BR 7504901 A BR7504901 A BR 7504901A BR 7504901 A BR7504901 A BR 7504901A BR 7504901 A BR7504901 A BR 7504901A BR 7504901 A BR7504901 A BR 7504901A
Authority
BR
Brazil
Prior art keywords
production
processing
tereftallic
acid
tereftallic acid
Prior art date
Application number
BR7504901A
Other languages
English (en)
Portuguese (pt)
Inventor
T Kimura
H Kashizume
Y Izumisawa
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
Publication of BR7504901A publication Critical patent/BR7504901A/pt

Links

Classifications

    • 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
    • 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)
BR7504901A 1974-07-31 1975-07-31 Aperfeicoamento em processo para a producao de acido tereftalico BR7504901A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7504901A true BR7504901A (pt) 1977-03-01

Family

ID=13925976

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7504901A BR7504901A (pt) 1974-07-31 1975-07-31 Aperfeicoamento em processo para a producao de acido tereftalico

Country Status (7)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2051804B (en) * 1979-07-02 1983-10-12 Ici Ltd Preparation of aromatic carboxylic acids
JPH0213652U (es) * 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
US7420082B2 (en) 2006-03-01 2008-09-02 Eastman Chemical Company Polycarboxylic acid production system employing hot liquor removal 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
US7816556B2 (en) 2006-03-01 2010-10-19 Eastman Chemical Company Polycarboxylic acid production system employing enhanced multistage oxidative digestion
US7326807B2 (en) 2006-03-01 2008-02-05 Eastman Chemical Company Polycarboxylic acid production system with enhanced heating for 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
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
US7772424B2 (en) 2006-03-01 2010-08-10 Eastman Chemical Company Polycarboxylic acid production system employing enhanced evaporative concentration downstream of oxidative digestion

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 (es) * 1964-12-14 1900-01-01
FR2113424A5 (es) * 1970-11-01 1972-06-23 Maruzen Oil Co Ltd

Also Published As

Publication number Publication date
DE2534161C2 (de) 1983-08-18
GB1454478A (en) 1976-11-03
JPS5116630A (es) 1976-02-10
DE2534161A1 (de) 1976-02-12
IT1041434B (it) 1980-01-10
JPS5614101B2 (es) 1981-04-02
FR2280626B1 (es) 1980-04-18
FR2280626A1 (fr) 1976-02-27
KR800001084B1 (ko) 1980-10-06

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