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 tereftalicoInfo
- 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
Links
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title abstract 8
- 239000003054 catalyst Substances 0.000 title abstract 5
- 239000012452 mother liquor Substances 0.000 title abstract 5
- 238000004821 distillation Methods 0.000 title abstract 3
- 238000011084 recovery Methods 0.000 title abstract 2
- 239000002904 solvent Substances 0.000 title abstract 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 5
- 238000000034 method Methods 0.000 abstract 4
- 230000003647 oxidation Effects 0.000 abstract 3
- 238000007254 oxidation reaction Methods 0.000 abstract 3
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- GJRQTCIYDGXPES-UHFFFAOYSA-N iso-butyl acetate Natural products CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 abstract 1
- FGKJLKRYENPLQH-UHFFFAOYSA-M isocaproate Chemical compound CC(C)CCC([O-])=O FGKJLKRYENPLQH-UHFFFAOYSA-M 0.000 abstract 1
- OQAGVSWESNCJJT-UHFFFAOYSA-N isovaleric acid methyl ester Natural products COC(=O)CC(C)C OQAGVSWESNCJJT-UHFFFAOYSA-N 0.000 abstract 1
- 238000010926 purge Methods 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 238000011282 treatment Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—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
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling 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)
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) |
-
1977
- 1977-04-04 IT IT2205877A patent/IT1075688B/it active
-
1978
- 1978-04-03 CA CA300,300A patent/CA1113956A/en not_active Expired
- 1978-04-04 BE BE186550A patent/BE865671A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA1113956A (en) | 1981-12-08 |
| BE865671A (fr) | 1978-10-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960415 |