ES2044661T3 - Procedimiento para la purificacion de catalizadores inactivos y envenenados de platino. - Google Patents
Procedimiento para la purificacion de catalizadores inactivos y envenenados de platino.Info
- Publication number
- ES2044661T3 ES2044661T3 ES91111275T ES91111275T ES2044661T3 ES 2044661 T3 ES2044661 T3 ES 2044661T3 ES 91111275 T ES91111275 T ES 91111275T ES 91111275 T ES91111275 T ES 91111275T ES 2044661 T3 ES2044661 T3 ES 2044661T3
- Authority
- ES
- Spain
- Prior art keywords
- purification
- procedure
- inactive catalysts
- poisoned platinum
- poisoned
- 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.)
- Expired - Lifetime
Links
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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
- B01J23/96—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble metals
-
- 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
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
- B01J38/64—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using alkaline material; using salts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
METODO PARA LA REGENERACION DE CATALIZADORES DE METALES NOBLES POR EL CUAL SE PONE EN CONTACTO EL MONOXIDO DE NITROGENO CON EL HIDROGENO EN LA REDUCCION CATALITICA, DONDE SE TRATAN LOS CATALIZADORES DE METALES NOBLES CON UNA SOLUCION ACUOSA Y ALCALINA CON UN VALOR PH POR ENCIMA DEL 9.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4022852A DE4022852A1 (de) | 1990-07-18 | 1990-07-18 | Verfahren zur regenerierung von inaktiven und vergifteten platinkatalysatoren |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2044661T3 true ES2044661T3 (es) | 1994-01-01 |
Family
ID=6410528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES91111275T Expired - Lifetime ES2044661T3 (es) | 1990-07-18 | 1991-07-06 | Procedimiento para la purificacion de catalizadores inactivos y envenenados de platino. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5143872A (es) |
EP (1) | EP0467176B1 (es) |
JP (1) | JPH04227063A (es) |
KR (1) | KR100196105B1 (es) |
DE (2) | DE4022852A1 (es) |
ES (1) | ES2044661T3 (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5332705A (en) * | 1992-06-19 | 1994-07-26 | Exxon Chemical Patents Inc. | Regeneration of acetylene converter catalysts by hydrogen stripping |
US5451268A (en) * | 1993-11-15 | 1995-09-19 | Shepherd; Samuel L. | Process for the removal of sulfur from silver |
DE19544403A1 (de) * | 1995-11-29 | 1997-06-05 | Basf Ag | Herstellung eines Hydrierungskatalysators unter Verwendung von M(OR)¶m¶X¶n¶ |
DE10062325A1 (de) * | 2000-12-14 | 2002-06-20 | Basf Ag | Verfahren zur kontinuierlichen Herstellung von Hydroxylammoniumsalzen |
WO2021141839A1 (en) | 2020-01-06 | 2021-07-15 | Dow Global Technologies Llc | Method for reactivating a precious metal-iron catalyst and performing a chemical reaction |
CN112226621B (zh) * | 2020-10-15 | 2022-05-10 | 江苏欣诺科催化剂有限公司 | 从失活贵金属催化剂中回收贵金属的方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH395038A (de) * | 1960-03-11 | 1965-07-15 | Basf Ag | Verfahren zur Herstellung von Platin-Träger-Katalysatoren für die Synthese von Hydroxylamin aus Stickoxyd und Wasserstoff |
US3214385A (en) * | 1961-12-20 | 1965-10-26 | Fmc Corp | Reactivation of spent palladium-oncarbon hydrogenation catalyst |
DE1806537A1 (de) * | 1968-11-02 | 1970-05-21 | Bayer Ag | Verfahren zur Herstellung von Hydroxylammoniumsalzen |
US3959382A (en) * | 1974-11-26 | 1976-05-25 | Allied Chemical Corporation | Method for reactivating palladium catalysts |
US4190554A (en) * | 1976-12-22 | 1980-02-26 | Osaka Gas Company, Ltd. | Method for reactivation of platinum group metal catalyst with aqueous alkaline and/or reducing solutions |
US4164481A (en) * | 1978-01-27 | 1979-08-14 | The Dow Chemical Company | Process of regenerating a noble metal catalyst used in the reduction of organic nitro compounds |
DE3507832A1 (de) * | 1985-03-06 | 1986-09-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur regenerierung von inaktiven und vergifteten platinkatalysatoren |
-
1990
- 1990-07-18 DE DE4022852A patent/DE4022852A1/de not_active Withdrawn
-
1991
- 1991-06-28 JP JP3157277A patent/JPH04227063A/ja not_active Withdrawn
- 1991-07-06 EP EP91111275A patent/EP0467176B1/de not_active Expired - Lifetime
- 1991-07-06 ES ES91111275T patent/ES2044661T3/es not_active Expired - Lifetime
- 1991-07-06 DE DE91111275T patent/DE59100427D1/de not_active Expired - Lifetime
- 1991-07-16 US US07/730,757 patent/US5143872A/en not_active Expired - Fee Related
- 1991-07-18 KR KR1019910012205A patent/KR100196105B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR920002222A (ko) | 1992-02-28 |
DE59100427D1 (de) | 1993-11-04 |
EP0467176B1 (de) | 1993-09-29 |
US5143872A (en) | 1992-09-01 |
DE4022852A1 (de) | 1992-01-23 |
JPH04227063A (ja) | 1992-08-17 |
EP0467176A1 (de) | 1992-01-22 |
KR100196105B1 (ko) | 1999-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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