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DOI: 10.1177/0734242X9401200207
Bioremediation of Petroleum- and Creosote-Contaminated Soils: a Review of ConstraintsEnvironmental Health Program, Department of Health Services Administration and Community Medicine, University of Alberta, Edmonton, Alberta, Canada, T6G 2G3
Environmental Health Program, Department of Health Services Administration and Community Medicine, University of Alberta, Edmonton, Alberta, Canada, T6G 2G3
Department of Microbiology, University of Alberta, Edmonton, Alberta, Canada, T6G 2G3 The evaluation and selection of technologies for the effective remediation of hydrocarbon-contaminated sites requires careful consideration of the waste/site/soil characteristics that determine their ultimate success. The presence of weathered hydrocarbon wastes and sub-optimal environmental conditions places technical restraints on the bioremediation of polynuclear aromatic hydrocarbon-contaminated soils. A brief overview of applicable bioremediation technologies is followed by an in-depth critical evaluation of limiting factors that can influence the efficacy of biotreatment options, including waste composition, temperature, substrate, bioavailability, accompanying toxicants and soil structure.
Key Words: Creosote wood-preserving wastes petroleum wastes polynuclear aromatic hydrocarbons bioremediation constraints weathered composition bioavailability salinity toxic metals soil texture climatic conditions.
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