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 (de) 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 (de)
KR (1) KR800001084B1 (de)
BR (1) BR7504901A (de)
DE (1) DE2534161C2 (de)
FR (1) FR2280626A1 (de)
GB (1) GB1454478A (de)
IT (1) IT1041434B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3063298D1 (en) 1979-07-02 1983-07-07 Ici Plc Process for the preparation of terephthalic acid
JPH0213652U (de) * 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
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
US20070208194A1 (en) 2006-03-01 2007-09-06 Woodruff Thomas E Oxidation system with sidedraw secondary reactor
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
US7420082B2 (en) 2006-03-01 2008-09-02 Eastman Chemical Company Polycarboxylic acid production system employing hot liquor removal 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
US7772424B2 (en) 2006-03-01 2010-08-10 Eastman Chemical Company Polycarboxylic acid production system employing enhanced evaporative concentration downstream of oxidative digestion
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

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 (de) * 1964-12-14 1900-01-01
DE2154147C3 (de) * 1970-11-01 1978-03-16 Maruzen Oil Co., Ltd., Osaka (Japan) Verfahren zur Herstellung von Terephthalsäure

Also Published As

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

Similar Documents

Publication Publication Date Title
BR7502651A (pt) Processo para producao de n-fosfono-metil-glicina
BR7505887A (pt) Aperfeicoamento em processo para a producao de negro-de-fumo
BR7504049A (pt) Aperfeicoamento em processo para a preparacao de uma poli-olefina
BR7605401A (pt) Catalisador e aperfeicoamento em processo para a producao de acido acrilico e de acido metacrilico
BR7506071A (pt) Processo para preparar acido 2-cetol-gulonico
BR7605283A (pt) Aperfeicoamento em processo por via umida para a manufatura de acido fosforico altamente concentrado
BR7503729A (pt) Processo para a producao de isocianatos
BR7504901A (pt) Aperfeicoamento em processo para a producao de acido tereftalico
BR7506505A (pt) Processo para recuperacao de acido acrilico em bruto
BR7502773A (pt) Aperfeicoamento em processo pra producao de n-metil-nitroftamidas
BR7403071D0 (pt) Aperfeicoamento em processo para a producao continua de hipoclorito
BR7508170A (pt) Processo para a producao de carbonil-aldimino-metano-fosfanatos
BR7500145A (pt) Aperfeicoamento em processo para a redistribuicao de halogenetos de alquil-estanho
BR7504237A (pt) Aperfeicoamentos em processo para producao de acido fosforico
BR7506460A (pt) Processo para producao de dicloro-etano
BR7500922A (pt) Processo para obtencao de acido formico
BR7501783A (pt) Aperfeicoamento em processo para a preparacao de um tiol-carbamato
BR7604368A (pt) Processo para producao de acido sulfurico
BR7705141A (pt) Processo para a producao de cloreto de acido benzenossulfonico
BR7208541D0 (pt) Aperfeicoamentos em processo para a fabricacao de ester dimetilico de acido tereftalico
BR7508484A (pt) Processo aperfeicoado para a producao de acido nitrico concentrado
BR7502585A (pt) Processo para a preparacao de acido cianurico
BR7507584A (pt) Processo para a producao de acosilicio eletromagnetico
BR7500436A (pt) Processo para a producao de n n-dialildicloroacetamida
BR7503007A (pt) Processo para a fabricacao de compostos de n-aril-imida de acido 4-amido-1,8-naftalico