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Dual Phase Extraction(DPE)

Dual Phase Extraction, also known as multi-phase extraction or High Vacuum Extraction, is a technology that uses vacuum pumps to remove various combinations of contaminated groundwater, separate-phase petroleum product, and hydrocarbon vapor from the ground. Extracted liquids and vapor are treated and collected for disposal. Remediation is accomplished using various technologies.

High Vacuum Systems use the same basic technology as dual phase extraction with a higher (typically 18"-24" Hg) applied vacuum. Liquid Ring Pumps are usually the equipment choice; however, some positive displacement blowers are applicable. Both Dual Phase and High Vacuum Systems are available either skid mounted or as part of an Integrated / Turnkey System.




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Dual Phase Treatment System with Busch Rotary Claw
Dual Phase Treatment System with Busch Rotary Claw.
Dual Phase Extraction Travaini LRP.
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