Biodegradation of dispersed weathered Endicott oil in Prince William Sound water

Zhong Pan, Yves Robert Personna, Michel Boufadel, Thomas King, Jennifer Mason, Lisa Axe, Xiaolong Geng

Research output: Contribution to journalArticle

Abstract

This paper investigates biodegradation of physically dispersed oil (WAF) and chemically dispersed oil (CEWAF). Two salinities are considered: low (6.5‰) and high salinity (29‰), and for each salinity two nutrient conditions are considered: low nutrient, using the background concentration (0.05 mg-N L-1 and 0.10-0.20 mg-P L-1) and high nutrient, using concentrations of 100 mg-N L-1 and 10 mg-P L-1. Results show that the oil concentration for the WAF is ∼20 times less than that resulting from the CEWAF. In the WAF, the biodegradation of polycyclic aromatic hydrocarbons (PAHs) was not detected due to extremely low concentration. In contrast, the biodegradation of the alkanes and the methylated PAHs (mPAHs) is as high as 72% after 42 days and seem to be unaffected by the nutrient concentration. In the CEWAF, considerable biodegradation is noted for the alkanes, PAHs, and mPAHs. The enhanced oil biodegradation in the presence of dispersant suggests that chemical dispersion might be an effective approach in the treatment of spilled oil.

Original languageEnglish (US)
Article number04017044
JournalJournal of Environmental Engineering (United States)
Volume143
Issue number9
DOIs
StatePublished - Sep 1 2017

Fingerprint

Biodegradation
biodegradation
Polycyclic aromatic hydrocarbons
Oils
Nutrients
Acoustic waves
Polycyclic Aromatic Hydrocarbons
PAH
Water
oil
Alkanes
nutrient
salinity
alkane
Paraffins
water
dispersant

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Environmental Engineering
  • Environmental Chemistry
  • Civil and Structural Engineering

Cite this

Pan, Zhong ; Personna, Yves Robert ; Boufadel, Michel ; King, Thomas ; Mason, Jennifer ; Axe, Lisa ; Geng, Xiaolong. / Biodegradation of dispersed weathered Endicott oil in Prince William Sound water. In: Journal of Environmental Engineering (United States). 2017 ; Vol. 143, No. 9.
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Biodegradation of dispersed weathered Endicott oil in Prince William Sound water. / Pan, Zhong; Personna, Yves Robert; Boufadel, Michel; King, Thomas; Mason, Jennifer; Axe, Lisa; Geng, Xiaolong.

In: Journal of Environmental Engineering (United States), Vol. 143, No. 9, 04017044, 01.09.2017.

Research output: Contribution to journalArticle

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