BR7605592A - Processo para producao de acido tereftalico purificado - Google Patents

Processo para producao de acido tereftalico purificado

Info

Publication number
BR7605592A
BR7605592A BR7605592A BR7605592A BR7605592A BR 7605592 A BR7605592 A BR 7605592A BR 7605592 A BR7605592 A BR 7605592A BR 7605592 A BR7605592 A BR 7605592A BR 7605592 A BR7605592 A BR 7605592A
Authority
BR
Brazil
Prior art keywords
purified
production
tereftallic
acid
tereftallic acid
Prior art date
Application number
BR7605592A
Other languages
English (en)
Inventor
T Kimura
H Hashizume
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 BR7605592A publication Critical patent/BR7605592A/pt

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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR7605592A 1975-08-26 1976-08-25 Processo para producao de acido tereftalico purificado BR7605592A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50103230A JPS5227743A (en) 1975-08-26 1975-08-26 Production of high-purity terephthalic acid

Publications (1)

Publication Number Publication Date
BR7605592A true BR7605592A (pt) 1977-08-09

Family

ID=14348656

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7605592A BR7605592A (pt) 1975-08-26 1976-08-25 Processo para producao de acido tereftalico purificado

Country Status (9)

Country Link
US (1) US4201872A (pt)
JP (1) JPS5227743A (pt)
BR (1) BR7605592A (pt)
DE (1) DE2636877A1 (pt)
FR (1) FR2322125A1 (pt)
IT (1) IT1064999B (pt)
MX (1) MX4318E (pt)
NL (1) NL7608867A (pt)
PT (1) PT65510B (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE193518T1 (de) * 1994-12-20 2000-06-15 Engelhard Corp Verfahren zur reinigung von aromatischen polycarbonsäuren
US5929274A (en) * 1995-06-07 1999-07-27 Hfm International, Inc. Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic 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
US6013835A (en) * 1995-06-07 2000-01-11 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
US5767311A (en) * 1995-06-07 1998-06-16 Glitsch International, Inc. Method and apparatus for preparing purified terephtalic acid
US5756833A (en) * 1996-02-01 1998-05-26 Amoco Corporation Catalytic purification and recovery of dicarboxylic aromatic acids
US5616792A (en) * 1996-02-01 1997-04-01 Amoco Corporation Catalytic purification of dicarboxylic aromatic acid
US6265608B1 (en) 1998-06-30 2001-07-24 Eastman Chemical Company Method of purifying aromatic dicarboxylic acids
RU2146172C1 (ru) 1999-07-29 2000-03-10 Институт катализа им.Г.К.Борескова СО РАН Каталитическая композиция, способ ее приготовления и способ очистки терефталевой кислоты

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3862218A (en) * 1968-02-15 1975-01-21 Celanese Corp Purification of terephthalic acid by thermal treatment
US3607921A (en) * 1968-06-12 1971-09-21 Mobil Oil Corp Catalytic purification of terephthalic acid
US3639465A (en) * 1968-06-18 1972-02-01 Standard Oil Co Purification of aromatic polycarboxylic acids by catalytic reduction using prehumidified hydrogen
FR2001960A1 (fr) * 1969-02-14 1969-10-03 Celanese Corp Procede de purification d'acide terephtalique
CH610252A5 (pt) * 1975-08-22 1979-04-12 Samuel Wyss

Also Published As

Publication number Publication date
IT1064999B (it) 1985-02-25
DE2636877A1 (de) 1977-03-03
JPS5640135B2 (pt) 1981-09-18
NL7608867A (nl) 1977-03-01
US4201872A (en) 1980-05-06
MX4318E (es) 1982-03-22
FR2322125A1 (fr) 1977-03-25
JPS5227743A (en) 1977-03-02
PT65510B (en) 1978-02-15
FR2322125B1 (pt) 1980-05-23
PT65510A (en) 1976-09-01

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