Method for regenerating a denitration catalyst for exhaust gases from coal-burning apparatus
US4729975A · kind A · utility
5Cited by
1References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 13, 1986 |
| Grant date | Mar 8, 1988 |
| Priority date | — |
| Expiry date | May 13, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/515
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for regenerating a denitration catalyst for exhaust gases discharged from coal-burning apparatus, in which a used catalyst whose denitration performance has lowered is contacted with fluidized abrasive particles. As a result, catalyst poisons deposited on the catalyst surface are removed by abrasive contact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.