ES2045690T3 - Procedimiento para tratar polvo de grafito nuevo o envejecido para mejorar su efectividad como soporte para catalizadores metalicos. - Google Patents
Procedimiento para tratar polvo de grafito nuevo o envejecido para mejorar su efectividad como soporte para catalizadores metalicos.Info
- Publication number
- ES2045690T3 ES2045690T3 ES90115964T ES90115964T ES2045690T3 ES 2045690 T3 ES2045690 T3 ES 2045690T3 ES 90115964 T ES90115964 T ES 90115964T ES 90115964 T ES90115964 T ES 90115964T ES 2045690 T3 ES2045690 T3 ES 2045690T3
- Authority
- ES
- Spain
- Prior art keywords
- procedure
- support
- aged
- effectiveness
- improve
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 4
- 239000003863 metallic catalyst Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 229910002804 graphite Inorganic materials 0.000 abstract 3
- 239000010439 graphite Substances 0.000 abstract 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/20—Regeneration or reactivation
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
- B01J37/0207—Pretreatment of the support
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/612—Surface area less than 10 m2/g
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/613—10-100 m2/g
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/12—Oxidising
- B01J37/14—Oxidising with gases containing free oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
UN SOPORTE DE GRAFITO PARA UN CATALIZADOR METALICO PREPARADO MEDIANTE EL PROCEDIMIENTO DE CONTACTAR GRAFITO CON UNA MEZCLA DE ACIDO NITRICO O ACIDO SULFURICO, Y CALENTANDO OPCIONALMENTE EL GRAFITO A UNA TEMPERATURA ELEVADA PARA AUMENTAR EL AREA SUPERFICIAL DEL GRAFITO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39996389A | 1989-08-29 | 1989-08-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2045690T3 true ES2045690T3 (es) | 1994-01-16 |
Family
ID=23581650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90115964T Expired - Lifetime ES2045690T3 (es) | 1989-08-29 | 1990-08-21 | Procedimiento para tratar polvo de grafito nuevo o envejecido para mejorar su efectividad como soporte para catalizadores metalicos. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0418573B1 (es) |
JP (1) | JP3053414B2 (es) |
KR (1) | KR0168846B1 (es) |
DE (1) | DE69004041T2 (es) |
ES (1) | ES2045690T3 (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4938803A (en) * | 1989-07-05 | 1990-07-03 | Nalco Chemical Company | Vinyl grafted lignite fluid loss additives |
ES2093872T3 (es) * | 1992-03-26 | 1997-01-01 | Solvay | Procedimiento para la reactivacion de un catalizador de carbon activo empleado para la preparacion de 1,1,1,2,3,3,3-heptafluoropropano (r 227). |
DE4308101C1 (de) * | 1993-03-15 | 1994-07-28 | Degussa | Verfahren zur Herstellung platingruppenmetallhaltiger Hydrierkatalysatoren auf Aktivkohle |
JPH11508487A (ja) * | 1995-07-05 | 1999-07-27 | ディーエスエム エヌ.ブイ. | 担持されたカルボニル化触媒 |
DE19741550C2 (de) * | 1997-09-20 | 2000-06-21 | Didier Werke Ag | Kunstharzgebundenes feuerfestes Verschleißteil und seine Verwendung |
US7178742B2 (en) | 2003-05-06 | 2007-02-20 | Lear Corporation | Fluid delivery system for spray applicator |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US310271A (en) * | 1885-01-06 | Metallic curbing for containing electrical wires | ||
US3923689A (en) * | 1972-11-29 | 1975-12-02 | Ici America Inc | Removal of iron contaminants from porous materials |
US4055628A (en) * | 1974-09-02 | 1977-10-25 | The British Petroleum Company Limited | Method for preparing graphite containing carbon |
DE3620425C1 (de) * | 1986-06-18 | 1987-06-19 | Bergwerksverband Gmbh | Verfahren zur Herstellung eines Aktivkohlekatalysators |
-
1990
- 1990-08-21 DE DE90115964T patent/DE69004041T2/de not_active Expired - Fee Related
- 1990-08-21 EP EP90115964A patent/EP0418573B1/en not_active Expired - Lifetime
- 1990-08-21 ES ES90115964T patent/ES2045690T3/es not_active Expired - Lifetime
- 1990-08-22 JP JP2219140A patent/JP3053414B2/ja not_active Expired - Lifetime
- 1990-08-29 KR KR1019900013340A patent/KR0168846B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69004041D1 (de) | 1993-11-25 |
KR0168846B1 (ko) | 1999-01-15 |
EP0418573B1 (en) | 1993-10-20 |
JPH0397612A (ja) | 1991-04-23 |
KR910004247A (ko) | 1991-03-28 |
DE69004041T2 (de) | 1994-02-17 |
JP3053414B2 (ja) | 2000-06-19 |
EP0418573A1 (en) | 1991-03-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX9403256A (es) | Metodo para el tratamiento de un catalizador de combustion espontanea. | |
BR9814593A (pt) | " catalisador à base de ferrierita/ferro para a redução catalìtica do teor de gás em protóxido de nitrogênio, seu processo de obtenção e sua aplicação " | |
ES2045690T3 (es) | Procedimiento para tratar polvo de grafito nuevo o envejecido para mejorar su efectividad como soporte para catalizadores metalicos. | |
GB1009137A (en) | Catalytic production of hydrogen cyanide | |
ES468138A1 (es) | Procedimiento para la obtencion de catalizadores de metal no piroforos altamente activos | |
DK250781A (da) | Elektrodebelaegning med metalkatalysator fra platingruppen og halvledende polymer | |
ATE1951T1 (de) | Katalytisches krack-verfahren. | |
ES2071960T3 (es) | Procedimiento de activacion de la superficie de carburos de metales pesados, con superficie especifica elevada para reacciones cataliticas. | |
BR0014456A (pt) | Processos para ativação por hidrogênio em alta temperatupa e alta pressão de ferro passivado, e para hidrogenação na presença d um catalizador heterogênio, métodos para uso de nitrilas, e para uso de ferro, e, ferro catalìtico | |
ES2127282T3 (es) | Produccion de hidrofluorocarbonos. | |
BR7600005A (pt) | Processo aperfeicoado para converter um hidrocarboneto e composito catalitico acido | |
ES8703944A1 (es) | Matriz de soporte para alojar compuestos de accion catalitica y procedimiento para la fabricacion de la matriz de soporte | |
FR2313979A1 (fr) | Preparation de trichlorure de titane violet, et application a la polymerisation d'olefines | |
AR215670A1 (es) | Cuerpo de carbono de elevada porosidad,baja densidad aparente y baja conductibilidad termica y procedimiento para su fabricacion | |
BR7801444A (pt) | Processo para produzir aco a partir de esponja metalica,sob utilizacao de plasmas gasosos para servirem de veiculo energetico | |
CN201912941U (zh) | 高效氨分解催化剂 | |
JPS5242490A (en) | Method of regenerating nox-removal catalyst | |
NO831450L (no) | Fremgangsmaate ved fremstilling av et katalytisk aktivt metallsilikat | |
JPS6424013A (en) | Graphite intercalating compound | |
JPS545866A (en) | Method and device for gas catalytic reaction | |
SU595768A1 (ru) | Устройство дл поглащени звука | |
GB571352A (en) | Thermo-stable catalysts | |
JPS5684636A (en) | Palladium catalyst and its production | |
JPS5229466A (en) | Method of removing nox in exhaust gas | |
GB563350A (en) | Improved process for the treatment of gases produced by the carbonisation of coal |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 418573 Country of ref document: ES |