Soil decontamination
US5114497A · kind A · utility
61Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1991 |
| Grant date | May 19, 1992 |
| Priority date | — |
| Expiry date | Mar 26, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/922
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An improved process for the remediation of soil contaminated by the presence therein of organic or semi-volatile inorganic contaminants which comprises (1) supplying thermal energy to the soil at one or more locations under the surface of the soil, (2) collecting the vapors resulting from contaminant vaporization or decomposition under the influence of the thermal energy, after passage horizontally through the soil, at one or more locations under the surface of the soil and separating from the collected vapors the environmentally undesirable components thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.