Flyslag treatment utilizing a solids-containing concentrated aqueous stream and a cementitious material
US4969932A · kind A · utility
1Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 1990 |
| Grant date | Nov 13, 1990 |
| Priority date | — |
| Expiry date | Mar 9, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for the treatment of flyslag from the gasification of coal is described, the process being characterized, in one embodiment, by mixing of the flyslag with a cementitious material and a residual waste stream from a coal gasification process, the waste stream containing particulate flyslag solids. A composition comprising flyslag and a cementitious material, in specified proportions is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.