FR2398716A2 - Procede ameliore de synthese d'acide terephtalique - Google Patents

Procede ameliore de synthese d'acide terephtalique

Info

Publication number
FR2398716A2
FR2398716A2 FR7816026A FR7816026A FR2398716A2 FR 2398716 A2 FR2398716 A2 FR 2398716A2 FR 7816026 A FR7816026 A FR 7816026A FR 7816026 A FR7816026 A FR 7816026A FR 2398716 A2 FR2398716 A2 FR 2398716A2
Authority
FR
France
Prior art keywords
bromine
manganese
synthesis
compound
terephthalic acid
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.)
Granted
Application number
FR7816026A
Other languages
English (en)
French (fr)
Other versions
FR2398716B2 (enrdf_load_stackoverflow
Inventor
Sergio Tonti
Paolo Roffia
Adriano Checchin
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.)
Montedison SpA
Original Assignee
Montedison SpA
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 Montedison SpA filed Critical Montedison SpA
Publication of FR2398716A2 publication Critical patent/FR2398716A2/fr
Application granted granted Critical
Publication of FR2398716B2 publication Critical patent/FR2398716B2/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265Preparation 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements 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)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
FR7816026A 1977-07-26 1978-05-30 Procede ameliore de synthese d'acide terephtalique Granted FR2398716A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT26113/77A IT1080758B (it) 1977-07-26 1977-07-26 Metodo per la preparazione del catalizzatore in un processo di sintesi dell'acido tereftalico

Publications (2)

Publication Number Publication Date
FR2398716A2 true FR2398716A2 (fr) 1979-02-23
FR2398716B2 FR2398716B2 (enrdf_load_stackoverflow) 1983-07-08

Family

ID=11218660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7816026A Granted FR2398716A2 (fr) 1977-07-26 1978-05-30 Procede ameliore de synthese d'acide terephtalique

Country Status (8)

Country Link
JP (1) JPS5439038A (enrdf_load_stackoverflow)
CA (1) CA1113957A (enrdf_load_stackoverflow)
DE (1) DE2823504A1 (enrdf_load_stackoverflow)
ES (1) ES470322A2 (enrdf_load_stackoverflow)
FR (1) FR2398716A2 (enrdf_load_stackoverflow)
GB (1) GB1604930A (enrdf_load_stackoverflow)
IT (1) IT1080758B (enrdf_load_stackoverflow)
NL (1) NL7805739A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW360636B (en) * 1993-07-12 1999-06-11 Glitsch Method and apparatus for recovering acetic acid from aqueous streams

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2436177A1 (de) * 1973-07-28 1975-02-20 Matsuyama Petrochemicals Inc Verfahren zur herstellung von benzolcarbonsaeuren durch oxidation von alkylbenzolen in fluessiger phase
FR2307787A1 (fr) * 1975-04-14 1976-11-12 Inst Francais Du Petrole Procede de fabrication d'acide terephtalique par oxydation du paraxylene

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2113424A5 (enrdf_load_stackoverflow) * 1970-11-01 1972-06-23 Maruzen Oil Co Ltd

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2436177A1 (de) * 1973-07-28 1975-02-20 Matsuyama Petrochemicals Inc Verfahren zur herstellung von benzolcarbonsaeuren durch oxidation von alkylbenzolen in fluessiger phase
FR2307787A1 (fr) * 1975-04-14 1976-11-12 Inst Francais Du Petrole Procede de fabrication d'acide terephtalique par oxydation du paraxylene

Also Published As

Publication number Publication date
JPS5439038A (en) 1979-03-24
FR2398716B2 (enrdf_load_stackoverflow) 1983-07-08
CA1113957A (en) 1981-12-08
ES470322A2 (es) 1980-08-16
GB1604930A (en) 1981-12-16
DE2823504A1 (de) 1979-02-15
NL7805739A (nl) 1979-01-30
DE2823504C2 (enrdf_load_stackoverflow) 1989-08-31
IT1080758B (it) 1985-05-16

Similar Documents

Publication Publication Date Title
FR2415092A1 (fr) Procede pour valoriser les oligomeres de l'acide acrylique obtenus a la preparation de ce compose en recuperant simultanement l'hydroquinone utilisee comme inhibiteur de polymerisation
FR2396736A1 (fr) Procede d'oxydation
FR2375201A1 (fr) Procede et catalyseur d'elimination des thiols et des mercaptides de solutions alcalines aqueuses
KR940005651A (ko) 3,4-디메틸-2,5,6-트리스(p-설포네이토페닐)-1-포스파노르보르나디엔, 이의 제조방법 및 올레핀계 불포화 화합물의 하이드로포닐화 방법
FR2359812A1 (fr) Procede de preparation d'oxalates dedialcoyle
ES425528A1 (es) Metodo para recuperar un catalizador de oxidacion a base demetales pesados.
FR2395224A1 (fr) Procede de fabrication de chlore
FR2404619A1 (fr) Procede de separation de methacroleine et/ou d'acide methacrylique a partir de solutions aqueuses les contenant
FR2372192A1 (fr) Procede d'obtention d'un melange maitre silice-latex par coprecipitation et produit obtenu
CA2014043A1 (fr) Procede de deshalogenation d'acides carboxyliques alphahalogenes
FR2398716A2 (fr) Procede ameliore de synthese d'acide terephtalique
FR2356619A1 (fr) Procede de purification du dibenzylidenesorbitol brut
FR2430916A1 (fr) Procede d'oxydation du soufre et des composes du soufre
ATE67171T1 (de) Verfahren zur herstellung von arylcarbonylverbindungen.
FR2430929A1 (fr) Procede pour preparer de l'acide isobutyrique
US1179421A (en) Manufacture of peracids from aldehydes.
FR2407202A1 (fr) Procede de preparation du dihydroperoxyde de m-diisopropylbenzene
FR2436135A1 (fr) Procede pour la preparation catalytique de l'acrylonitrile
FR2369238A1 (fr) Procede de preparation de l'acide methacrylique
FR2368440A1 (fr) Procede de stabilisation du phosphate dicalcique dihydrate
US5504260A (en) Catalytic oxidation
US4704476A (en) Working up reaction mixtures containing cyclohexyl hydro-peroxide, cyclohexanol and cyclohexanone
US4163027A (en) Working-up of reaction mixtures containing cyclohexanol and cyclohexanone
FR2444057A1 (fr) Procede de preparation de polymethylene polyphenyl polycarbamates
BE1002135A5 (fr) Procede de preparation de n-phosphonomethyl-imino-diacetique et de chlorure d'acide en resultant.