Removal of volatile contaminants from the vadose zone of contaminated ground
US4660639A · kind A · utility
73Cited by
19References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1986 |
| Grant date | Apr 28, 1987 |
| Priority date | — |
| Expiry date | Feb 6, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A20/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Volatile contaminants are removed from the vadose zone of contaminated ground by pumping volatilized contaminants from the vadose zone using one or more vacuum extraction wells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.