Method of sealing off a mass of waste stock containing metal cations
US4615643A · kind A · utility
17Cited by
10References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 1985 |
| Grant date | Oct 7, 1986 |
| Priority date | — |
| Expiry date | Jul 24, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S106/90
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for sealing a mass of stored waste containing cations comprises insulating the waste mass with at least one grout barrier which retains heavy metallic cations. The grout barrier is established by filling the hollows in the soil or fissured rocks with a grout containing specified amounts of cement, clay, siliceous products, sodium carbonate and alkali-metal tartarate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.