Ozone treatment of fly ash
US6521037B1 · kind B1 · utility
12Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2001 |
| Grant date | Feb 18, 2003 |
| Priority date | — |
| Expiry date | Aug 22, 2021 |
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 oversaturation with ozone is avoided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.