FR2249710A1 - Stable aluminium oxide catalyst carrier having low shrinkage - for oxidn catalysts for exhaust gases from internal combustion engines - Google Patents
Stable aluminium oxide catalyst carrier having low shrinkage - for oxidn catalysts for exhaust gases from internal combustion enginesInfo
- Publication number
- FR2249710A1 FR2249710A1 FR7436472A FR7436472A FR2249710A1 FR 2249710 A1 FR2249710 A1 FR 2249710A1 FR 7436472 A FR7436472 A FR 7436472A FR 7436472 A FR7436472 A FR 7436472A FR 2249710 A1 FR2249710 A1 FR 2249710A1
- Authority
- FR
- France
- Prior art keywords
- degrees
- pref
- oxidn
- catalysts
- internal combustion
- 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 4
- 238000002485 combustion reaction Methods 0.000 title abstract 2
- 239000007789 gas Substances 0.000 title abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 229910021592 Copper(II) chloride Inorganic materials 0.000 abstract 1
- 229910002621 H2PtCl6 Inorganic materials 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000000567 combustion gas Substances 0.000 abstract 1
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 abstract 1
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(II) nitrate Inorganic materials [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 abstract 1
- 238000007493 shaping process 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
- 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
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
-
- 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
- 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
- B01J35/615—100-500 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
- B01J35/63—Pore volume
- B01J35/635—0.5-1.0 ml/g
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41153173A | 1973-10-31 | 1973-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2249710A1 true FR2249710A1 (en) | 1975-05-30 |
| FR2249710B3 FR2249710B3 (fr) | 1977-08-05 |
Family
ID=23629318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7436472A Granted FR2249710A1 (en) | 1973-10-31 | 1974-10-31 | Stable aluminium oxide catalyst carrier having low shrinkage - for oxidn catalysts for exhaust gases from internal combustion engines |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5074588A (fr) |
| DE (1) | DE2447746A1 (fr) |
| FR (1) | FR2249710A1 (fr) |
| NL (1) | NL7413605A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0056993A1 (fr) * | 1981-01-23 | 1982-08-04 | Ube Industries, Ltd. | Procédé de préparation de diesters de l'acide oxalique |
-
1974
- 1974-10-07 DE DE19742447746 patent/DE2447746A1/de active Pending
- 1974-10-16 NL NL7413605A patent/NL7413605A/xx unknown
- 1974-10-31 FR FR7436472A patent/FR2249710A1/fr active Granted
- 1974-10-31 JP JP49124999A patent/JPS5074588A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0056993A1 (fr) * | 1981-01-23 | 1982-08-04 | Ube Industries, Ltd. | Procédé de préparation de diesters de l'acide oxalique |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2249710B3 (fr) | 1977-08-05 |
| DE2447746A1 (de) | 1975-05-07 |
| JPS5074588A (fr) | 1975-06-19 |
| NL7413605A (nl) | 1975-05-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |