Methods of treating coal to improve combustion and reduce carbon content of fly ash
US8845767B2 · kind B2 · utility
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23Claims
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Key dates
| Filing date | Feb 12, 2010 |
| Grant date | Sep 30, 2014 |
| Priority date | — |
| Expiry date | Jun 10, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L1/2437
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An iron salt of an organic acid, selected from formic acid, carboxylic acids having (3) or more carbon atoms and sulphonic acids, is used to reduce the carbon content of the fly ash, when coal is combusted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.