IT1029861B - Metodo per la riattivazione di catalizzatori a base di sali di rame er la ossidazione di fenoli - Google Patents
Metodo per la riattivazione di catalizzatori a base di sali di rame er la ossidazione di fenoliInfo
- Publication number
- IT1029861B IT1029861B IT48342/75A IT4834275A IT1029861B IT 1029861 B IT1029861 B IT 1029861B IT 48342/75 A IT48342/75 A IT 48342/75A IT 4834275 A IT4834275 A IT 4834275A IT 1029861 B IT1029861 B IT 1029861B
- Authority
- IT
- Italy
- Prior art keywords
- reactivation
- phenols
- oxidation
- copper salt
- salt catalysts
- Prior art date
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical class [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title 1
- 239000003054 catalyst Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 230000003647 oxidation Effects 0.000 title 1
- 238000007254 oxidation reaction Methods 0.000 title 1
- 150000002989 phenols Chemical class 0.000 title 1
- 230000007420 reactivation Effects 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/28—Regeneration or reactivation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C46/00—Preparation of quinones
- C07C46/02—Preparation of quinones by oxidation giving rise to quinoid structures
- C07C46/06—Preparation of quinones by oxidation giving rise to quinoid structures of at least one hydroxy group on a six-membered aromatic ring
- C07C46/08—Preparation of quinones by oxidation giving rise to quinoid structures of at least one hydroxy group on a six-membered aromatic ring with molecular oxygen
-
- 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)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/450,946 US3933681A (en) | 1974-03-13 | 1974-03-13 | Activation of copper salt phenol oxidation catalysts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1029861B true IT1029861B (it) | 1979-03-20 |
Family
ID=23790163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT48342/75A IT1029861B (it) | 1974-03-13 | 1975-02-25 | Metodo per la riattivazione di catalizzatori a base di sali di rame er la ossidazione di fenoli |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3933681A (en:Method) |
| JP (1) | JPS50125987A (en:Method) |
| BE (1) | BE826334A (en:Method) |
| BR (1) | BR7501355A (en:Method) |
| CA (1) | CA1046045A (en:Method) |
| DE (1) | DE2507832A1 (en:Method) |
| FR (1) | FR2272735B1 (en:Method) |
| GB (1) | GB1482369A (en:Method) |
| IT (1) | IT1029861B (en:Method) |
| NL (1) | NL7502949A (en:Method) |
| ZA (1) | ZA751052B (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1192214A (en) * | 1982-01-18 | 1985-08-20 | Chao-Yang Hsu | Process for oxidizing phenol to p-benzoquinone |
| US7045666B2 (en) * | 2003-01-16 | 2006-05-16 | General Electric Company | Bromination of hydroxyaromatic compounds and further conversion to dihydroxyaromatic compounds |
| US6693221B1 (en) | 2003-04-04 | 2004-02-17 | General Electric Company | Method of preparing mixtures of bromophenols and benzoquinones |
| US6815565B2 (en) * | 2003-04-04 | 2004-11-09 | General Electric Company | Method for preparing hydroquinones and dihydroxybiphenyl compounds from mixtures of bromophenols and benzoquinones |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL39225A (en) * | 1971-05-17 | 1975-07-28 | Sparamedica Ag | Process for the manufacture of methyl substituted p-benzoquinones |
-
1974
- 1974-03-13 US US05/450,946 patent/US3933681A/en not_active Expired - Lifetime
-
1975
- 1975-02-14 CA CA220,211A patent/CA1046045A/en not_active Expired
- 1975-02-19 GB GB6984/75A patent/GB1482369A/en not_active Expired
- 1975-02-19 ZA ZA00751052A patent/ZA751052B/xx unknown
- 1975-02-24 DE DE19752507832 patent/DE2507832A1/de active Pending
- 1975-02-25 IT IT48342/75A patent/IT1029861B/it active
- 1975-03-03 FR FR7506549A patent/FR2272735B1/fr not_active Expired
- 1975-03-05 BE BE154043A patent/BE826334A/xx unknown
- 1975-03-07 BR BR1355/75A patent/BR7501355A/pt unknown
- 1975-03-10 JP JP50028926A patent/JPS50125987A/ja active Pending
- 1975-03-12 NL NL7502949A patent/NL7502949A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| BR7501355A (pt) | 1975-12-09 |
| FR2272735A1 (en:Method) | 1975-12-26 |
| JPS50125987A (en:Method) | 1975-10-03 |
| NL7502949A (nl) | 1975-09-16 |
| ZA751052B (en) | 1976-07-28 |
| DE2507832A1 (de) | 1975-09-18 |
| FR2272735B1 (en:Method) | 1977-04-15 |
| GB1482369A (en) | 1977-08-10 |
| BE826334A (fr) | 1975-06-30 |
| US3933681A (en) | 1976-01-20 |
| CA1046045A (en) | 1979-01-09 |
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