Electrokinetic decontamination of land
US5725752A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1996 |
| Grant date | Mar 10, 1998 |
| Priority date | — |
| Expiry date | Apr 18, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB09C2101/00
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method is provided for the electrokinetic decontamination of land or other material comprising soil in which a direct current is applied between at least one cathode (2) and at least one anode (4) positioned in or on said soil. The anode (4) is a carbon felt wrapped around current (10) and electrolyte feeders and the cathode (2) is contained in a porous housing (6) through which electrolyte is able to pass. On application of current there is electrokinetic movement of cations and other soil contaminants towards the cathode which pass through the porous housing and into the catholyte. The thus loaded catholyte is circulated through a treatment plant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.