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A NUMERICAL MODEL TO OPTIMIZE LNAPL REMEDIATION BY MULTI-PHASE EXTRACTION
Qi, S., J. Luo, D. O'Connor, Y. Wang, and D. Hou
Science of the Total Environment 718: 137309(2020)

A numerical model was developed to optimize LNAPL mass removal by multi-phase extraction (MPE). After the model was validated with field data, the results, using benzene as the contaminant of concern, showed that the optimum contaminant extraction rate varied with the LNAPL thickness and submerged pump position. A cost analysis indicated that MPE technology was more cost-effective than an alternative chemical oxidation approach when the initial thickness of LNAPL was relatively thin.



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