Mobile extraction process provides effective site remediation

A mobile version of the dual-phase extraction (DPE) process for remediating sites affected by petroleum product releases has been used effectively in emergency response and where the cost of a fixed DPE system was not justified.DPE technology removes free product from groundwater and reduces dissolved-phase contaminant concentrations in groundwater.The mobile version, Mobile Dual Phase Extraction (MDPE), has been used to remove gasoline, aviation fuel, kerosine, and diesel. Due to the emission of hydrocarbon-impacted off-gas during these events, emission-control equipment, such as a thermal oxidizer, is normally used to ensure compliance with air emission standards.Although maximum vacuum...

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