Ozone treatment of fly ash
US6890507B2 · kind B2 · utility
16Cited by
11References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2002 |
| Grant date | May 10, 2005 |
| Priority date | — |
| Expiry date | Sep 17, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S106/01
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Carbon-containing fly ash has been treated with optimum amounts of ozone. There is homogenous treatment of the fly ash with ozone and over saturation with ozone is avoided. In a further embodiment of the invention carbon, from various sources is oxygenated to be incorporated into concrete. The preferred oxygenating agent is ozone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.