JPS54122689A - Monolithic catalyst carrier - Google Patents
Monolithic catalyst carrierInfo
- Publication number
- JPS54122689A JPS54122689A JP3032478A JP3032478A JPS54122689A JP S54122689 A JPS54122689 A JP S54122689A JP 3032478 A JP3032478 A JP 3032478A JP 3032478 A JP3032478 A JP 3032478A JP S54122689 A JPS54122689 A JP S54122689A
- Authority
- JP
- Japan
- Prior art keywords
- sol
- film
- activated alumina
- cordierite
- dipped
- 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.)
- Pending
Links
Abstract
PURPOSE: To prevent a lowering of car exhaust gas cleaning efficiency and deterioration in adherence of a film of activated alumina powder by forming an intermediate layer consisting of refractory particles on the surface of a monolithic substrate such as cordierite and further forming the alumina film.
CONSTITUTION: A monolithic carrier such as cordierite or mullite is dipped in a mixed sol soln. and dried at 100°C to form intermediate layer 2 consisting of refractory particles on the surface of substrate 1. The sol soln. may be a mixt. of alumina sol, silica sol, Al(NO3)3 and water. The carrier is then dipped in a slurry of activated alumina, cured in satd. steam of 100°C, dired at 100°C, and calcined at 350°C for 1 hr to form activated alumina film 3.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3032478A JPS54122689A (en) | 1978-03-16 | 1978-03-16 | Monolithic catalyst carrier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3032478A JPS54122689A (en) | 1978-03-16 | 1978-03-16 | Monolithic catalyst carrier |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54122689A true JPS54122689A (en) | 1979-09-22 |
Family
ID=12300616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3032478A Pending JPS54122689A (en) | 1978-03-16 | 1978-03-16 | Monolithic catalyst carrier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54122689A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60190237A (en) * | 1984-03-10 | 1985-09-27 | Matsushita Electric Ind Co Ltd | Catalyst carrier |
-
1978
- 1978-03-16 JP JP3032478A patent/JPS54122689A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60190237A (en) * | 1984-03-10 | 1985-09-27 | Matsushita Electric Ind Co Ltd | Catalyst carrier |
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