ES2072813B1 - COPPER CATALYST FOR NO ELIMINATION, SUPPORTED IN ACTIVE CARBON OR IN HIGH SURFACE GRAPHITE AND PREPARATION PROCEDURE. - Google Patents
COPPER CATALYST FOR NO ELIMINATION, SUPPORTED IN ACTIVE CARBON OR IN HIGH SURFACE GRAPHITE AND PREPARATION PROCEDURE.Info
- Publication number
- ES2072813B1 ES2072813B1 ES9301291A ES9301291A ES2072813B1 ES 2072813 B1 ES2072813 B1 ES 2072813B1 ES 9301291 A ES9301291 A ES 9301291A ES 9301291 A ES9301291 A ES 9301291A ES 2072813 B1 ES2072813 B1 ES 2072813B1
- Authority
- ES
- Spain
- Prior art keywords
- active carbon
- elimination
- copper
- supported
- high surface
- 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 - Fee Related
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 6
- 239000003054 catalyst Substances 0.000 title abstract 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052799 carbon Inorganic materials 0.000 title abstract 3
- 229910052802 copper Inorganic materials 0.000 title abstract 3
- 239000010949 copper Substances 0.000 title abstract 3
- 229910002804 graphite Inorganic materials 0.000 title abstract 3
- 239000010439 graphite Substances 0.000 title abstract 3
- 230000008030 elimination Effects 0.000 title abstract 2
- 238000003379 elimination reaction Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000002360 preparation method Methods 0.000 title abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- 229910002651 NO3 Inorganic materials 0.000 abstract 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
- 239000011324 bead Substances 0.000 abstract 1
- 239000003575 carbonaceous material Substances 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000009849 deactivation Effects 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
Classifications
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
Landscapes
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
CATALIZADOR DE COBRE PARA LA ELIMINACION DE NO, SOPORTADO EN CARBON ACTIVO O EN GRAFITO DE ALTA SUPERFICIE Y PROCEDIMIENTO DE PREPARACION. AL MATERIAL CARBONOSO (CARBON ACTIVO O GRAFITO) DE ALTA SUPERFICIE ESPECIFICA (ENTRE 150 Y 950 M2.G-1) SE LE INCORPORA COBRE MEDIANTE ADSORCION CON DISOLUCIONES DE LAS CORRESPONDIENTES SALES EN ETANOL. LOS IMPREGNADOS SE SACAN EN AIRE A 110 C Y SE CALCINCINAN A 250-350 C EN FLUJO DE NITROGENO, SIENDO CONVENIENTE DESGASIFICAR EN VACIO A 250-350 C, ANTES DE PONERLOS EN CONTACTO CON LA DISOLUCION IMPREGNANTE, EVITANDO LA EXPOSICION A LA ATMOSFERA EN TODO MOMENTO. EL COBRE SE INCORPORA PARTIENDO DE DISOLUCIONES EN ETANOL DE SUS SALES: NITRATO, CLORURO O ACETATO. ANTES DE LA UTILIZACION, SE TRATA EN UN REACTOR EN CORRIENTE DE GAS INERTE A UNA TEMPERATURA DE 250 A 300 C. EL CATALIZADOR ASI OBTENIDO SE EMPLEA EN LA REACCION DE DESCOMPOSICION DE NO PASANDO UNA MEZCLA DE GAS CONTENIENDO NO (MAXIMO 3 POR CIENTO MOLAR EN NO) A TRAVES DEL LECHO CATALITICO OBTENIDO CON GRANOS DEL MATERIAL TAMIZADOS ENTRE 0,5 Y 2,5 MM. ESTOS CATALIZADORES SON CAPACES DE CONVERTIR TODO EL NO DURANTE VARIAS HORAS, A TEMPERATURAS DE REACCION ENTRE 400 Y 600 C, OBSERVANDOSE POSTERIORMENTE UNA DESACTIVACION PAULATINA.COPPER CATALYST FOR NO ELIMINATION, SUPPORTED IN ACTIVE CARBON OR IN HIGH SURFACE GRAPHITE AND PREPARATION PROCEDURE. HIGH SPECIFIC CARBON MATERIAL (ACTIVE CARBON OR GRAPHITE) (BETWEEN 150 AND 950 M2.G-1) IS ADDED COPPER THROUGH ADSORPTION WITH DISSOLUTIONS OF THE CORRESPONDING SALTS IN ETHANOL. THE IMPREGNATES ARE REMOVED IN AIR AT 110 C AND CALCINCINATED AT 250-350 C IN NITROGEN FLOW, BEING ADEQUATE TO DEGASS IN VACUUM AT 250-350 C, BEFORE PUTTING THEM IN CONTACT WITH THE IMPREGNANT DISSOLUTION, AVOIDING EXPOSURE TO THE EXPOSURE. MOMENT. COPPER IS INCORPORATED FROM ETHANOL SOLUTIONS FROM ITS SALTS: NITRATE, CHLORIDE OR ACETATE. BEFORE USE, IT IS TREATED IN A REACTOR IN INERT GAS CURRENT AT A TEMPERATURE OF 250 TO 300 C. THE CATALYST, SO OBTAINED, IS USED IN THE DECOMPOSITION REACTION OF NOT PASSING A MIX OF GAS CONTAINING NO (MAXIMUM 3 PERCENT MOLLAR NO) THROUGH THE CATALYTIC BED OBTAINED WITH SIZED MATERIAL BEADS BETWEEN 0.5 AND 2.5 MM. THESE CATALYSTS ARE ABLE TO CONVERT ALL NON DURING SEVERAL HOURS, TO REACTION TEMPERATURES BETWEEN 400 AND 600 C, SUBSEQUENTLY OBSERVING A SLOW DEACTIVATION.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES9301291A ES2072813B1 (en) | 1993-06-11 | 1993-06-11 | COPPER CATALYST FOR NO ELIMINATION, SUPPORTED IN ACTIVE CARBON OR IN HIGH SURFACE GRAPHITE AND PREPARATION PROCEDURE. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES9301291A ES2072813B1 (en) | 1993-06-11 | 1993-06-11 | COPPER CATALYST FOR NO ELIMINATION, SUPPORTED IN ACTIVE CARBON OR IN HIGH SURFACE GRAPHITE AND PREPARATION PROCEDURE. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2072813A1 ES2072813A1 (en) | 1995-07-16 |
| ES2072813B1 true ES2072813B1 (en) | 1996-02-16 |
Family
ID=8282155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES9301291A Expired - Fee Related ES2072813B1 (en) | 1993-06-11 | 1993-06-11 | COPPER CATALYST FOR NO ELIMINATION, SUPPORTED IN ACTIVE CARBON OR IN HIGH SURFACE GRAPHITE AND PREPARATION PROCEDURE. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2072813B1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES8404874A1 (en) * | 1982-12-21 | 1984-06-01 | Consejo Superior Investigacion | Selective catalytic reduction of nitrogen oxide(s) |
| DK166377C (en) * | 1989-02-10 | 1993-09-27 | Haldor Topsoe As | PROCEDURE FOR THE REMOVAL OF NITROGEN OXIDES FROM EXHAUST GAS FROM TURBINES |
| FR2649622B1 (en) * | 1989-07-12 | 1993-12-24 | Paroisse Ste Chimique Grande | ZEOLITH Y-BASED CATALYST COMPOSITION FOR USE IN THE TREATMENT OF NOX-CONTAINING OXYGEN EFFLUENTS, ITS PREPARATION AND ITS APPLICATION |
-
1993
- 1993-06-11 ES ES9301291A patent/ES2072813B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2072813A1 (en) | 1995-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 20000707 |