NO.sub.x reduction by sulfur tolerant coronal-catalytic apparatus and method
US5240575A · kind A · utility
15Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 1992 |
| Grant date | Aug 31, 1993 |
| Priority date | — |
| Expiry date | Jan 23, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/8662
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention presents an NO.sub.x environment effective reduction apparatus comprising a sulfur tolerant coronal-catalyst such as high dielectric coronal-catalysts like glass wool, ceramic-glass wool or zirconium glass wool and method of use. In one embodiment the invention comprises an NO.sub.x reduction apparatus of sulfur tolerant coronal-catalyst adapted and configured for hypercritical presentation to an NO.sub.x bearing gas stream at a minimum of at least about 75 watts/cubic meter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.