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Stimuleret in situ reduktiv deklorering. Vidensopsamling og screening af lokaliteter
| Project |
contaminants |
geology, conductivity |
`natural' redox conditions |
volume, area |
approach |
electron donor |
status |
costs
(euro, estimated) |
time (years, estimated) |
| Dinxperlo |
TCA, TCE and BTEX |
sand |
|
15,000 m3 groundwater |
excavation, pump&treat and infiltration of electron donor |
molasses |
in progress |
|
|
| Roden * |
PCE |
sand, 4 m/day |
sulphate reducing |
3,800 m2 |
extraction of groundwater, infiltration after electron donor is added |
molasses |
in progress |
|
5-7 |
| Terneuzen |
PCE and degradation products |
clay |
sulphate reducing |
|
excavation of source zone, extraction and infiltration after electron donor
is added |
|
in progress |
|
7 |
| Uithuizen * |
PCE |
fine silty sand, 1-5 m/day
peat layers |
nitrate-reducing (shallow) to methanogenic (deep) |
7,500 m2, up to 18 m-bgl |
direct injection of electron donor |
molasses |
in progress, first injection performed |
|
4-5 |
| Zwolle, Dellen Wuyts |
PCE and degradation products |
sand |
iron- to sulphate reducing |
|
source zone removal by excavation and chemical oxidation, ERD in plume by
extraction and infiltration after electron donor is added |
|
source zone remediation nearly finished, plume remediation in start-up phase.
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|
4-5 |
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Version 1.0 Februar 2005, © Miljøstyrelsen.
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