Endpoints of bioremediation: Effect of desorption on biotransformation of polyaromatic hydrocarbons (PAHs)
Conference
·
OSTI ID:20014801
Environmental remediation has been generally regulated toward the reduction of chemical concentrations, usually down to the so-called background levels. For many chemical species, this means concentrations approaching zero or the limits of detectability. Billions of dollars are being spent each year to decontaminate soil, sediment and groundwater aquifer in the US. The cost of the remediation of known sites in the US is estimated well above one trillion dollars according to the current environmental standards and regulations. A multi-year bioremediation project has been conducted by Aluminum Company of America (Alcoa). The program involved both laboratory studies and on-site pilot-scale testing to evaluate biotreatment of various sludge/sediment materials from the Alcoa's Massena facility. A primary focus of the bioremediation project was on the reduction and environmental fate of polyaromatic hydrocarbons (PAHs) and polychlorinated Biphenyls (PBCs). This paper focuses on analyzing the data obtained from the on-site testing, especially on factors limiting the rate and extent of biodegradation of PAHs.
- Research Organization:
- Lehigh Univ., Bethlehem, PA (US)
- OSTI ID:
- 20014801
- Country of Publication:
- United States
- Language:
- English
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