Also known as ‘slurping’, this is an in-situ technique in which a multiphase process is simultaneously applied via a single well, to remove liquid- or vapour-based contaminants from groundwater or soil:
- Vacuum extraction/recovery removes free product along with minimal groundwater
- Vapour extraction removes volatile contaminants
- The increased oxygen levels allow bioventing to take place, enhancing biodegradation of contaminants.
This technique is particularly appropriate where it is important that water table fluctuations are minimised.
MPE – How does it work? All explained in a short 1 minute video.
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