Additives for mercury oxidation in coal-fired power plants
US8293196B1 · kind B1 · utility
31Cited by
322References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2011 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Aug 4, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/129
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention is directed to an additive, primarily for combustion of low sulfur and high alkali coals, that includes a transition metal to impact positively bottom ash slag and optionally a halogen to effect mercury oxidation and collection in the flue gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.