Multistage process for combusting fuel mixtures using oxide catalysts in the hot stage
US5232357A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Nov 26, 1990 |
| Grant date | Aug 3, 1993 |
| Priority date | — |
| Expiry date | Nov 26, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23C2900/13002
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
This invention is a combustion process having a series of stages in which the fuel is combusted stepwise using specific catalysts (desirably palladium-bearing catalysts in the first two zones and metal and oxygen-bearing catalysts in the hot catalytic zone) and catalytic structures and, optionally, a final homogeneous combustion zone. The choice of catalysts and the use of specific structures, including those employing integral heat exchange, results in a catalyst support which is stable due to its comparatively low temperature and yet the product combustion gas is at a temperature suitable for use in a gas turbine, furnace, boiler, or the like, but has low NO.sub.x content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.