Bioremediation of petroleum-contaminated soil
Conference
·
OSTI ID:474238
- CSIR Div. of Water Technology, Pretoria (South Africa)
A pilot-scale study was conducted to evaluate the application of land-farming techniques in bioremediating a soil highly contaminated with petroleum products. A commercial biosupplement, and one prepared with indigenous microorganisms from the contaminated soil, were tested. Application of either of the biosupplements, in addition to the control of pH, moisture, and oxygen levels, resulted in a 94% reduction of the initial total petroleum hydrocarbon concentration (TPHC) (32% mass/mass) over a 70-day period. Implementation of these findings at full scale to bioremediate highly weathered petroleum products showed an average reduction of 89% over 5.5 months. Target levels of 1,400 mg/kg soil were reached from an initial average TPHC concentration of 12,200 mg/kg soil.
- OSTI ID:
- 474238
- Report Number(s):
- CONF-950483--; ISBN 1-57477-004-7
- Country of Publication:
- United States
- Language:
- English
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