FR2251363A1 - Catalysts for pollutant removal from exhaust gases - comprising stainless steel coated with metal oxide and noble metal - Google Patents
Catalysts for pollutant removal from exhaust gases - comprising stainless steel coated with metal oxide and noble metalInfo
- Publication number
- FR2251363A1 FR2251363A1 FR7340694A FR7340694A FR2251363A1 FR 2251363 A1 FR2251363 A1 FR 2251363A1 FR 7340694 A FR7340694 A FR 7340694A FR 7340694 A FR7340694 A FR 7340694A FR 2251363 A1 FR2251363 A1 FR 2251363A1
- Authority
- FR
- France
- Prior art keywords
- steel
- layer
- stainless steel
- metal oxide
- metal
- 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 3
- 229910044991 metal oxide Inorganic materials 0.000 title abstract 3
- 150000004706 metal oxides Chemical class 0.000 title abstract 3
- 229910001220 stainless steel Inorganic materials 0.000 title abstract 3
- 239000010935 stainless steel Substances 0.000 title abstract 3
- 239000003344 environmental pollutant Substances 0.000 title abstract 2
- 239000007789 gas Substances 0.000 title abstract 2
- 229910000510 noble metal Inorganic materials 0.000 title abstract 2
- 231100000719 pollutant Toxicity 0.000 title abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 5
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract 4
- 229910000831 Steel Inorganic materials 0.000 abstract 4
- 239000010959 steel Substances 0.000 abstract 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 2
- 229910052759 nickel Inorganic materials 0.000 abstract 2
- 238000005507 spraying Methods 0.000 abstract 2
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- -1 Cl3COOH Chemical compound 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
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- 229910052776 Thorium Inorganic materials 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000004320 controlled atmosphere Methods 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
- 229910052741 iridium Inorganic materials 0.000 abstract 1
- 229910052746 lanthanum Inorganic materials 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 1
- 229910052762 osmium Inorganic materials 0.000 abstract 1
- 235000006408 oxalic acid Nutrition 0.000 abstract 1
- 238000000053 physical method Methods 0.000 abstract 1
- 229910052703 rhodium Inorganic materials 0.000 abstract 1
- 229910052707 ruthenium Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 1
Classifications
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7340694A FR2251363A1 (en) | 1973-11-15 | 1973-11-15 | Catalysts for pollutant removal from exhaust gases - comprising stainless steel coated with metal oxide and noble metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7340694A FR2251363A1 (en) | 1973-11-15 | 1973-11-15 | Catalysts for pollutant removal from exhaust gases - comprising stainless steel coated with metal oxide and noble metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2251363A1 true FR2251363A1 (en) | 1975-06-13 |
| FR2251363B1 FR2251363B1 (enrdf_load_stackoverflow) | 1976-12-03 |
Family
ID=9127798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7340694A Granted FR2251363A1 (en) | 1973-11-15 | 1973-11-15 | Catalysts for pollutant removal from exhaust gases - comprising stainless steel coated with metal oxide and noble metal |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2251363A1 (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2376698A1 (fr) * | 1977-01-06 | 1978-08-04 | Engelhard Min & Chem | Compositions catalytiques de macrodimension et leur procede de preparation |
| WO1979000611A1 (en) * | 1978-02-10 | 1979-09-06 | Johnson Matthey Co Ltd | Catalyst comprising a metal substrate |
| FR2495957A1 (fr) * | 1980-12-17 | 1982-06-18 | Pro Catalyse | Catalyseur et procede perfectionnes pour le traitement des gaz d'echappement des moteurs a combustion interne |
| FR2501065A1 (fr) * | 1981-03-09 | 1982-09-10 | Pro Catalyse | Catalyseur et procede perfectionnes pour le traitement des gaz d'echappement des moteurs a combustion interne |
-
1973
- 1973-11-15 FR FR7340694A patent/FR2251363A1/fr active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2376698A1 (fr) * | 1977-01-06 | 1978-08-04 | Engelhard Min & Chem | Compositions catalytiques de macrodimension et leur procede de preparation |
| WO1979000611A1 (en) * | 1978-02-10 | 1979-09-06 | Johnson Matthey Co Ltd | Catalyst comprising a metal substrate |
| FR2495957A1 (fr) * | 1980-12-17 | 1982-06-18 | Pro Catalyse | Catalyseur et procede perfectionnes pour le traitement des gaz d'echappement des moteurs a combustion interne |
| EP0054472A1 (fr) * | 1980-12-17 | 1982-06-23 | Société Française des Produits pour Catalyse "PROCATALYSE" | Catalyseur et procédé perfectionnés pour le traitement des gaz d'échappement des moteurs à combustion interne |
| FR2501065A1 (fr) * | 1981-03-09 | 1982-09-10 | Pro Catalyse | Catalyseur et procede perfectionnes pour le traitement des gaz d'echappement des moteurs a combustion interne |
| EP0060740A1 (fr) * | 1981-03-09 | 1982-09-22 | Société Française des Produits pour Catalyse "PROCATALYSE" | Catalyseur et procédé perfectionnés pour le traitement des gaz d'échappement des moteurs à combustion interne |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2251363B1 (enrdf_load_stackoverflow) | 1976-12-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |