Method of stabilizing industrial wastes and fly ash compositions useful in same
US5584792A · kind A · utility
8Cited by
27References
13Claims
0Family size
Inventor
Key dates
| Filing date | Jan 10, 1995 |
| Grant date | Dec 17, 1996 |
| Priority date | — |
| Expiry date | Jan 10, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S106/01
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for stabilizing wet, oily petroleum refinery wastes and other similar wastes without the need for Portland cement. The waste is combined with at least 5 weight percent of a novel cementitious reagent composition comprised of Powder River Basin fly ash and circulating fluid bed combustion ash in weight ratios ranging from 1:9 to 9:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.