Device for purification of exhaust gas
US4308233A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 1980 |
| Grant date | Dec 29, 1981 |
| Priority date | — |
| Expiry date | May 30, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J37/024
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A device for the purification of exhaust gas is disclosed. This purification device comprises a ceramic porous body having a three-dimensional network cellular structure with a plurality of interconnected voids and a bulk specific gravity of 0.25-0.6, an activated alumina layer covering the surfaces of cell strands of the ceramic porous body, and a noble metal catalyst layer supported on the activated alumina layer, or comprises a reactive member composed of the purification device as described above, and an agitating member composed of a ceramic porous body or a gas adsorbing member composed of a ceramic porous body and a gas adsorbent applied to the ceramic porous body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.