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.

For more detail about this technology please see the video on our YouTube page.

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