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Bioremediation of a petroleum‐contaminated cryic soil: Effects of phosphorus, nitrogen, and temperature

Walworth, J. L. / Reynolds, C. M.

Bioremediation has been shown to be an effective means of treating petroleum‐contaminated soils in cold areas, although the conditions required to maximize bioremediation in cold region (cryic) soils are not well documented. A laboratory study was conducted to investigate the effects of nitrogen and phosphorus levels and temperature on petroleum bioremediation. A cryic entisol contaminated with diesel fuel was treated with nitrogen (0, 400, 800, or 1200 mg/kg of soil) and phosphorus (0, 60, 120, or 180 mg/kg of soil) and incubated at two temperatures (10 and 20°C). At 10°C, bioremediation rates were not affected by fertility treatments. At 20°C, reaction rates were increased by the addition of P, but unaffected by N. Regardless of fertility regime, the rate of diesel loss was much greater in soil incubated at 20°C than in soil incubated at 10°C.

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Bioremediation of a petroleum‐contaminated cryic soil: Effects of phosphorus, nitrogen, and temperature

Walworth, J. L. / Reynolds, C. M.

Bioremediation has been shown to be an effective means of treating petroleum‐contaminated soils in cold areas, although the conditions required to maximize bioremediation in cold region (cryic) soils are not well documented. A laboratory study was conducted to investigate the effects of nitrogen and phosphorus levels and temperature on petroleum bioremediation. A cryic entisol contaminated with diesel fuel was treated with nitrogen (0, 400, 800, or 1200 mg/kg of soil) and phosphorus (0, 60, 120, or 180 mg/kg of soil) and incubated at two temperatures (10 and 20°C). At 10°C, bioremediation rates were not affected by fertility treatments. At 20°C, reaction rates were increased by the addition of P, but unaffected by N. Regardless of fertility regime, the rate of diesel loss was much greater in soil incubated at 20°C than in soil incubated at 10°C.

Bioremediation of a petroleum‐contaminated cryic soil: Effects of phosphorus, nitrogen, and temperature

Walworth, J. L. / Reynolds, C. M.

Bioremediation has been shown to be an effective means of treating petroleum‐contaminated soils in cold areas, although the conditions required to maximize bioremediation in cold region (cryic) soils are not well documented. A laboratory study was conducted to investigate the effects of nitrogen and phosphorus levels and temperature on petroleum bioremediation. A cryic entisol contaminated with diesel fuel was treated with nitrogen (0, 400, 800, or 1200 mg/kg of soil) and phosphorus (0, 60, 120, or 180 mg/kg of soil) and incubated at two temperatures (10 and 20°C). At 10°C, bioremediation rates were not affected by fertility treatments. At 20°C, reaction rates were increased by the addition of P, but unaffected by N. Regardless of fertility regime, the rate of diesel loss was much greater in soil incubated at 20°C than in soil incubated at 10°C.

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Title:

Bioremediation of a petroleum‐contaminated cryic soil: Effects of phosphorus, nitrogen, and temperature

Contributors:

Walworth, J. L. (author) / Reynolds, C. M. (author)

Published in:

Journal of Soil Contamination ; 4 ; 299-310

Publication date:

1995-07-01

Size:

12 pages

ISSN:

DOI:

https://doi.org/10.1080/15320389509383499

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

Keywords:

hydrocarbons , nutrients , biodegradation , environmental factors.

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