FR2430260A1 - Catalyseurs de denitration comportant un revetement poreux et procede pour les produire - Google Patents
Catalyseurs de denitration comportant un revetement poreux et procede pour les produireInfo
- Publication number
- FR2430260A1 FR2430260A1 FR7916608A FR7916608A FR2430260A1 FR 2430260 A1 FR2430260 A1 FR 2430260A1 FR 7916608 A FR7916608 A FR 7916608A FR 7916608 A FR7916608 A FR 7916608A FR 2430260 A1 FR2430260 A1 FR 2430260A1
- Authority
- FR
- France
- Prior art keywords
- producing
- support
- coating
- porous coating
- porous
- 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.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title abstract 6
- 239000011248 coating agent Substances 0.000 title abstract 5
- 238000000576 coating method Methods 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- 238000001035 drying Methods 0.000 abstract 2
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- 238000007598 dipping method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000000746 purification Methods 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
-
- 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
- B01J37/0215—Coating
- B01J37/0225—Coating of metal substrates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
a. Catalyseurs de dénitration comportant un revêtement poreux et procédé pour les produire. b. On produit un catalyseur de dénitration comportant un revêtement poreux par immersion d'une base de catalyseur en métal poreux dans un bain de revêtement contenant de la silice, séchage de la base de catalyseur pour former un support comportant un revêtement de silice poreux, immersion du support dans une solution contenant un composant actif et séchage du support obtenu, pour fixer le composant actif sur le support. c. Purification des gaz d'échappement.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53082564A JPS5926341B2 (ja) | 1978-07-06 | 1978-07-06 | 多孔質被膜を有する脱硝触媒 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2430260A1 true FR2430260A1 (fr) | 1980-02-01 |
FR2430260B1 FR2430260B1 (fr) | 1983-07-22 |
Family
ID=13777977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7916608A Granted FR2430260A1 (fr) | 1978-07-06 | 1979-06-27 | Catalyseurs de denitration comportant un revetement poreux et procede pour les produire |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5926341B2 (fr) |
BE (1) | BE877182A (fr) |
CA (1) | CA1131197A (fr) |
DE (1) | DE2926894C2 (fr) |
FR (1) | FR2430260A1 (fr) |
GB (1) | GB2024640B (fr) |
IT (1) | IT1119768B (fr) |
NL (1) | NL179552C (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60106535A (ja) * | 1983-11-16 | 1985-06-12 | Mitsubishi Heavy Ind Ltd | 廃ガス処理用触媒 |
DE3664872D1 (en) * | 1985-08-19 | 1989-09-14 | Siemens Ag | A process for preparing a catalyst for the selective reduction of nitrogen oxides from exhaust gases |
JPS62237947A (ja) * | 1986-04-09 | 1987-10-17 | Toshiaki Kabe | 触媒体 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3518206A (en) * | 1968-05-17 | 1970-06-30 | Du Pont | Supported catalysts composed of substrate coated with colloidal silica and catalyst |
FR2215266A1 (fr) * | 1973-01-27 | 1974-08-23 | Kali Chemie Ag | |
FR2257336A1 (en) * | 1973-10-24 | 1975-08-08 | Johnson Matthey Co Ltd | Noble metal catalyst on expanded iron alloy - with coating contg. oxygen, for oxidn., redn. and exhaust gas purificn. |
FR2258218A1 (fr) * | 1974-01-19 | 1975-08-18 | Kali Chemie Ag | |
DE2422851A1 (de) * | 1974-05-06 | 1975-11-20 | Atomic Energy Authority Uk | Katalysatorsystem |
US4040981A (en) * | 1975-06-30 | 1977-08-09 | Hitachi Shipbuilding & Engineering Co., Ltd. | Process for producing denitrating catalysts |
FR2369870A1 (fr) * | 1976-11-09 | 1978-06-02 | Hitachi Shipbuilding Eng Co | Procede de preparation de catalyseurs de denitrification tres actifs |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1490977A (en) * | 1973-12-10 | 1977-11-09 | Atomic Energy Authority Uk | Catalysts |
JPS5812057B2 (ja) * | 1974-07-31 | 1983-03-05 | 武田薬品工業株式会社 | シヨクバイソセイブツ |
-
1978
- 1978-07-06 JP JP53082564A patent/JPS5926341B2/ja not_active Expired
-
1979
- 1979-06-01 GB GB7919186A patent/GB2024640B/en not_active Expired
- 1979-06-08 NL NLAANVRAGE7904504,A patent/NL179552C/xx not_active IP Right Cessation
- 1979-06-22 IT IT49522/79A patent/IT1119768B/it active
- 1979-06-22 BE BE2/57900A patent/BE877182A/fr not_active IP Right Cessation
- 1979-06-27 FR FR7916608A patent/FR2430260A1/fr active Granted
- 1979-07-03 DE DE2926894A patent/DE2926894C2/de not_active Expired
- 1979-07-06 CA CA331,302A patent/CA1131197A/fr not_active Expired
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3518206A (en) * | 1968-05-17 | 1970-06-30 | Du Pont | Supported catalysts composed of substrate coated with colloidal silica and catalyst |
FR2215266A1 (fr) * | 1973-01-27 | 1974-08-23 | Kali Chemie Ag | |
FR2257336A1 (en) * | 1973-10-24 | 1975-08-08 | Johnson Matthey Co Ltd | Noble metal catalyst on expanded iron alloy - with coating contg. oxygen, for oxidn., redn. and exhaust gas purificn. |
FR2258218A1 (fr) * | 1974-01-19 | 1975-08-18 | Kali Chemie Ag | |
DE2422851A1 (de) * | 1974-05-06 | 1975-11-20 | Atomic Energy Authority Uk | Katalysatorsystem |
US4040981A (en) * | 1975-06-30 | 1977-08-09 | Hitachi Shipbuilding & Engineering Co., Ltd. | Process for producing denitrating catalysts |
FR2369870A1 (fr) * | 1976-11-09 | 1978-06-02 | Hitachi Shipbuilding Eng Co | Procede de preparation de catalyseurs de denitrification tres actifs |
Also Published As
Publication number | Publication date |
---|---|
GB2024640A (en) | 1980-01-16 |
NL179552B (nl) | 1986-05-01 |
IT1119768B (it) | 1986-03-10 |
CA1131197A (fr) | 1982-09-07 |
GB2024640B (en) | 1983-01-06 |
NL7904504A (nl) | 1980-01-08 |
DE2926894C2 (de) | 1987-02-19 |
JPS558875A (en) | 1980-01-22 |
NL179552C (nl) | 1986-10-01 |
DE2926894A1 (de) | 1980-01-17 |
JPS5926341B2 (ja) | 1984-06-26 |
BE877182A (fr) | 1979-10-15 |
FR2430260B1 (fr) | 1983-07-22 |
IT7949522A0 (it) | 1979-06-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2418270A1 (fr) | Procede de traitement de distillats corrosifs de petrole | |
RU94046153A (ru) | Способ удаления сернистых соединений, содержащихся в остаточном газе | |
ES516671A0 (es) | "procedimiento para la eliminacion de hollin diesel a partir del gas de escape de motores diesel". | |
FR2393145A1 (fr) | Procede et dispositif catalytiques d'epuration des gaz d'echappement | |
ATE22232T1 (de) | Verfahren zur herstellung von katalysatoren zur reinigung von auspuffgasen aus innenverbrennungsmaschinen. | |
BE859280A (fr) | Alliage destine a la galvanisation au trempe d'aciers, y compris aciers contenant du silicium, et procede de galvanisation adapte a cet alliage | |
FR2325428A1 (fr) | Procede perfectionne pour regenerer un catalyseur d'oxydation consistant en un complexe phosphore-vanadium-oxygene | |
FR2430260A1 (fr) | Catalyseurs de denitration comportant un revetement poreux et procede pour les produire | |
ATE344101T1 (de) | Verfahren zur herstellung von trägerkatalysatoren durch stromlose metallabscheidung | |
FR2492407B1 (fr) | Procede de dephosphoration, de desulfuration et de denitration de fonte contenant du chrome | |
FR2285459A1 (fr) | Procede et convertisseur de traitement d'un bain de metal fondu | |
FR2317963A1 (fr) | Procede d'application d'un revetement catalytiquement actif sur un support de catalyseur | |
JPS56133036A (en) | Deposition of catalyst onto ceramic honeycomb | |
FR2368987A1 (fr) | Reduction catalytique des oxydes d'azote | |
FI863343A (fi) | Baerarmatris foer upptagning av katalytiskt verkande foereningar och foerfarande foer framstaellning av baerarmatrisen. | |
BE877352A (fr) | Procede de regeneration de catalyseurs epuises provenant d'installations de craquage catalytique | |
BE903702A (fr) | Procede de traitement de gaz uses. | |
ATE45295T1 (de) | Verfahren zum herstellen eines katalysators zur selektiven reduktion von stickoxiden in abgasen. | |
DE69012853D1 (de) | Katalysator für Autoabgase. | |
FR2369870A1 (fr) | Procede de preparation de catalyseurs de denitrification tres actifs | |
MX150997A (es) | Procedimiento para la obtencion catalitica y selectiva de 2-vinilpiridina a partir de acetileno y acrilonitrilo | |
RO71152A (fr) | Catalyseur pour la purification des gaz d'echappement et procede pourl'obtenir ent et procede d'obtention | |
IT1098284B (it) | Processo continuo per la depurazione di gas industriali di scarico,contenenti formaldeide | |
JPS57147439A (en) | Preparation of rhodium-supported catalyst | |
JPS5567331A (en) | Catalyst and method for removing nitrogenoxide in exhaust gas |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |