IT1075688B - Metodo per il recupero del catalizzatore e del solvente dal liquido madre di un processo per la sintesi dell'acido tereftalico - Google Patents

Metodo per il recupero del catalizzatore e del solvente dal liquido madre di un processo per la sintesi dell'acido tereftalico

Info

Publication number
IT1075688B
IT1075688B IT2205877A IT2205877A IT1075688B IT 1075688 B IT1075688 B IT 1075688B IT 2205877 A IT2205877 A IT 2205877A IT 2205877 A IT2205877 A IT 2205877A IT 1075688 B IT1075688 B IT 1075688B
Authority
IT
Italy
Prior art keywords
column
mother liquor
catalyst
acetic acid
water
Prior art date
Application number
IT2205877A
Other languages
English (en)
Inventor
Piero Bortesi
Sergio Tonti
Raffaele Tancorra
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
Priority to IT2205877A priority Critical patent/IT1075688B/it
Priority to NLAANVRAGE7803368,A priority patent/NL188282C/xx
Priority to FR7809488A priority patent/FR2386511A1/fr
Priority to ES468499A priority patent/ES468499A1/es
Priority to BR7802069A priority patent/BR7802069A/pt
Priority to IN356/CAL/78A priority patent/IN148106B/en
Priority to MX172975A priority patent/MX148713A/es
Priority to SU782600750A priority patent/SU1217250A3/ru
Priority to GB12977/78A priority patent/GB1593117A/en
Priority to CA300,300A priority patent/CA1113956A/en
Priority to JP3817578A priority patent/JPS53127430A/ja
Priority to DE19782814448 priority patent/DE2814448A1/de
Priority to BE186550A priority patent/BE865671A/xx
Priority to BE188218A priority patent/BE867683R/xx
Application granted granted Critical
Publication of IT1075688B publication Critical patent/IT1075688B/it

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
    • Y02P20/584Recycling of 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT2205877A 1977-04-04 1977-04-04 Metodo per il recupero del catalizzatore e del solvente dal liquido madre di un processo per la sintesi dell'acido tereftalico IT1075688B (it)

Priority Applications (14)

Application Number Priority Date Filing Date Title
IT2205877A IT1075688B (it) 1977-04-04 1977-04-04 Metodo per il recupero del catalizzatore e del solvente dal liquido madre di un processo per la sintesi dell'acido tereftalico
NLAANVRAGE7803368,A NL188282C (nl) 1977-04-04 1978-03-30 Werkwijze voor de synthese van tereftaalzuur door oxyderen van p-xyleen in azijnzuuroplossing.
FR7809488A FR2386511A1 (fr) 1977-04-04 1978-03-31 Procede de recuperation du catalyseur et du solvant a partir de la liqueur mere d'un procede de synthese de l'acide terephtalique
BR7802069A BR7802069A (pt) 1977-04-04 1978-04-03 Processo para a sintese de acido tereftalico com recuperacao de catalisador e solvente a partir do liquido principal
IN356/CAL/78A IN148106B (it) 1977-04-04 1978-04-03
MX172975A MX148713A (es) 1977-04-04 1978-04-03 Procedimiento mejorado para la recuperacion de catalizadores y disolventes de un proceso para la obtencion de acido tereftalico
ES468499A ES468499A1 (es) 1977-04-04 1978-04-03 Un procedimiento para la recuperacion de catalizadores y di-solventes en un metodo para la obtencion de acido tereftali-co
SU782600750A SU1217250A3 (ru) 1977-04-04 1978-04-03 Способ обработки маточного раствора
GB12977/78A GB1593117A (en) 1977-04-04 1978-04-03 Process for the recovery of catalyst and solvent from the mother lquor of a process for the synthesis of therephthalic acid
CA300,300A CA1113956A (en) 1977-04-04 1978-04-03 Process for the recovery of catalyst and solvent from the mother liquor of a process for the synthesis of terephtalic acid
JP3817578A JPS53127430A (en) 1977-04-04 1978-04-03 Improved method of recovering catalyst and solvent from mother liquid of phthalic acid synthesizing process
DE19782814448 DE2814448A1 (de) 1977-04-04 1978-04-04 Verbessertes verfahren zur herstellung von terephthalsaeure
BE186550A BE865671A (fr) 1977-04-04 1978-04-04 Procede de recuperation du catalyseur et du solvant a partir de la liqueur mere d'un procede de synthese de l'acide terephtalique
BE188218A BE867683R (fr) 1977-04-04 1978-05-31 Procede de recuperation du catalyseur et du solvant a partir de la liqueur mere d'un procede de synthese de l'acide terephtalique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2205877A IT1075688B (it) 1977-04-04 1977-04-04 Metodo per il recupero del catalizzatore e del solvente dal liquido madre di un processo per la sintesi dell'acido tereftalico

Publications (1)

Publication Number Publication Date
IT1075688B true IT1075688B (it) 1985-04-22

Family

ID=11190840

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2205877A IT1075688B (it) 1977-04-04 1977-04-04 Metodo per il recupero del catalizzatore e del solvente dal liquido madre di un processo per la sintesi dell'acido tereftalico

Country Status (3)

Country Link
BE (1) BE865671A (it)
CA (1) CA1113956A (it)
IT (1) IT1075688B (it)

Also Published As

Publication number Publication date
CA1113956A (en) 1981-12-08
BE865671A (fr) 1978-10-04

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960415