Abstract:
:Experimental bioremediation of crude oil was conducted for approximately 3 months in the intertidal zone of the Sea of Japan, Hyogo Prefecture. Artificial mixtures of weathered Arabian light crude oil and sand taken from the experimental site were wrapped in polyester net envelopes. The envelopes were placed in drum-shaped acrylic vessels with perforated sides to facilitate seawater exchange. The vessels were laid in the intertidal area. Slow release nitrogen and phosphorus synthetic fertilizer granules were added to the oil-sand mixtures in three different amounts. Some oil-sand mixtures were unfertilized controls. The oil-sand mixtures were periodically sampled and changes in the composition of the residual oils were monitored. Oil samples were subjected to gas chromatography coupled with mass spectrometry for analysis of some representative semi-volatile aliphatic and aromatic compounds. All values for each analyte were normalized against that of hopane to evaluate the extent of oil biodegradation. Significant increases in the concentrations of both nitrogen and phosphorus were found in the fertilized sections in accordance with the amounts of added fertilizers. Although significant natural attenuation of oil was observed in the unfertilized sections, fertilization stimulated the degradation rate of the oil in the early stage of the experimental term. The extent of the oil biodegradation increased as the amount of added fertilizer increased. However, the final degradation efficiencies for each oil component in the fertilized sections were not significantly different from those in the unfertilized sections, and the degradation of each oil component had almost ceased after 6 weeks. We conclude that excessive amounts of macronutrients are required to accelerate oil biodegradation and that fertilization is only effective in the early stages.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
Maki H,Hirayama N,Hiwatari T,Kohata K,Uchiyama H,Watanabe M,Yamasaki F,Furuki Mdoi
10.1016/S0025-326X(02)00412-5subject
Has Abstractpub_date
2003-01-01 00:00:00pages
74-7issue
1-6eissn
0025-326Xissn
1879-3363pii
S0025-326X(02)00412-5journal_volume
47pub_type
杂志文章abstract::The major (Al) and trace metal (Cu, Pb, Zn, Cr, Cd, and As) concentrations in 29 surface sediment samples from the intertidal Jiaozhou Bay (JZB) are evaluated to assess the contamination level. The results show that the overall sediment quality in the area has been obviously impacted by trace metal contamination. The ...
journal_title:Marine pollution bulletin
pub_type: 杂志文章
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journal_title:Marine pollution bulletin
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journal_title:Marine pollution bulletin
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journal_title:Marine pollution bulletin
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
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journal_title:Marine pollution bulletin
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
doi:10.1016/j.marpolbul.2016.02.045
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journal_title:Marine pollution bulletin
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
doi:10.1016/j.marpolbul.2016.05.083
更新日期:2016-08-15 00:00:00
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
doi:10.1016/s0025-326x(01)00057-1
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journal_title:Marine pollution bulletin
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
doi:10.1016/j.marpolbul.2013.09.002
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
doi:10.1016/j.marpolbul.2015.09.007
更新日期:2015-11-15 00:00:00
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
doi:10.1016/j.marpolbul.2015.12.031
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journal_title:Marine pollution bulletin
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pub_type: 杂志文章
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
doi:10.1016/j.marpolbul.2008.02.043
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journal_title:Marine pollution bulletin
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更新日期:2019-05-01 00:00:00
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
doi:10.1016/j.marpolbul.2012.02.002
更新日期:2012-04-01 00:00:00
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
doi:10.1016/j.marpolbul.2018.04.016
更新日期:2018-06-01 00:00:00
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
doi:10.1016/j.marpolbul.2018.04.025
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
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更新日期:2004-10-01 00:00:00
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
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更新日期:2018-12-01 00:00:00
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
doi:10.1016/j.marpolbul.2015.01.014
更新日期:2015-04-15 00:00:00
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journal_title:Marine pollution bulletin
pub_type: 杂志文章
doi:10.1016/j.marpolbul.2016.03.069
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