Clay/polymer blend as high pH or ionic liquid barrier
US9403974B2 · kind B2 · utility
1Cited by
9References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2014 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | Jul 29, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/667
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A composition capable of increased impermeability against the passage of ionic liquids therethrough can include a clay mixed with an anionic and cationic polymer. Such compositions can be provided in geosynthetic liners to provide a hydraulic barrier in aggressive leachate environments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.