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Compositional changes during landfarming of weathered michigan crude oil‐contaminated soii
Laboratory landfarming experiments were conducted to study the bioremediation potential of weathered Michigan crude oil‐contaminated soils. It was found that landfarming was successful in removing up to 90% of the total petroleum hydrocarbons (TPH) in the soil within 22 weeks of treatment. Boiling point analyses of untreated and treated soils indicate a significant removal of TPH compounds independent of molecular weight or carbon number. Up to 85% of heavy petroleum hydrocarbons with carbon numbers above 44 were biode‐graded. In addition, approximately 93% of saturated and 79% of aromatic compounds of the TPH were biodegraded during the 22 week treatment period. The use of polyethylene sheeting as a landfarm cover does not appear to adversely affect biodegradation kinetics under laboratory conditions. Finally, equilibrium leachate concentrations for BTEX and regulated (in Michigan) polynuclear aromatics (PNAs) were below the respective detection limits for each compound. It can be concluded that landfarming of these weathered soils will be highly successful in removing petroleum hydrocarbons while not adversely impacting either ground‐water or surface water quality.
Compositional changes during landfarming of weathered michigan crude oil‐contaminated soii
Laboratory landfarming experiments were conducted to study the bioremediation potential of weathered Michigan crude oil‐contaminated soils. It was found that landfarming was successful in removing up to 90% of the total petroleum hydrocarbons (TPH) in the soil within 22 weeks of treatment. Boiling point analyses of untreated and treated soils indicate a significant removal of TPH compounds independent of molecular weight or carbon number. Up to 85% of heavy petroleum hydrocarbons with carbon numbers above 44 were biode‐graded. In addition, approximately 93% of saturated and 79% of aromatic compounds of the TPH were biodegraded during the 22 week treatment period. The use of polyethylene sheeting as a landfarm cover does not appear to adversely affect biodegradation kinetics under laboratory conditions. Finally, equilibrium leachate concentrations for BTEX and regulated (in Michigan) polynuclear aromatics (PNAs) were below the respective detection limits for each compound. It can be concluded that landfarming of these weathered soils will be highly successful in removing petroleum hydrocarbons while not adversely impacting either ground‐water or surface water quality.
Compositional changes during landfarming of weathered michigan crude oil‐contaminated soii
Huesemann, M. H. (author) / Moore, K. O. (author)
Journal of Soil Contamination ; 2 ; 245-264
1993-01-01
20 pages
Article (Journal)
Electronic Resource
Unknown
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