Bioremediation of marine oil spills by immobilized oil-degrading bacteria and nutrition emulsion
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作者:
Luo, Qun
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Chinese Peoples Liberat Army, Naval Med Ctr, Shanghai 200433, Peoples R ChinaChinese Peoples Liberat Army, Naval Med Ctr, Shanghai 200433, Peoples R China
Luo, Qun
[1
]
Hou, Dengyong
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Chinese Peoples Liberat Army, Naval Med Ctr, Shanghai 200433, Peoples R ChinaChinese Peoples Liberat Army, Naval Med Ctr, Shanghai 200433, Peoples R China
Hou, Dengyong
[1
]
Jiang, Dingwen
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Chinese Peoples Liberat Army, Naval Med Ctr, Shanghai 200433, Peoples R ChinaChinese Peoples Liberat Army, Naval Med Ctr, Shanghai 200433, Peoples R China
Jiang, Dingwen
[1
]
Chen, Wei
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Chinese Peoples Liberat Army, Naval Med Ctr, Shanghai 200433, Peoples R ChinaChinese Peoples Liberat Army, Naval Med Ctr, Shanghai 200433, Peoples R China
Chen, Wei
[1
]
机构:
[1] Chinese Peoples Liberat Army, Naval Med Ctr, Shanghai 200433, Peoples R China
The combination of bioaugmentation and biostimulation was used to speed up the bioremediation of marine oil spills. A novel carrier material that consisted of puffed panicum miliaceum (PPM), calcium alginate and chitosan was prepared. The porous structure and low density of PPM ensured this carrier material not only had appropriate physical and biological properties for the aggregation of microorganisms but also was biodegradable and floating on the seawater surface for bioremediation of oil pollution. An oil-degrading bacterial consortium was immobilized via adsorption on the carrier material. The immobilized bacteria were observed with scanning electron microscopy. The number of viable cells immobilized on the material was approximately 1.12 x 10(8) CFU/g. To solve the problem of nutrients supplementation in seawater, an emulsion formed with urea solution, soybean lecithin, alcohol and oleic acid was prepared as oleophilic fertilizer. The results from laboratory and field mesocosm experiments showed that the combination of immobilized bacteria and the emulsion achieved a higher oil removal efficiency compared with the use of them separately. The results of field mesocosm experiments conducted in the coastal seawater showed that most of the petroleum pollutant (> 98%) was removed from the surface of seawater in 24 h. GC-MS analysis showed that most components of petroleum pollutants had been removed. This formula with immobilized bacteria and emulsion can be exploited further for the bioremediation of marine oil spills.
机构:
Hamdan Bin Mohammad Smart Univ, Deanship Res & Doctoral Studies, Dubai, U Arab EmiratesBangor Univ, Sch Biol Sci, Environm Ctr Wales, Bangor LL57 2UW, Gwynedd, Wales
机构:
Naval Univ Engn, Dept Nucl Sci & Engn, Wuhan 430033, Peoples R China
Naval Med Res Inst, Shanghai 200433, Peoples R ChinaNaval Univ Engn, Dept Nucl Sci & Engn, Wuhan 430033, Peoples R China
Luo, Qun
Zhang, Jian-Guo
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Naval Med Res Inst, Shanghai 200433, Peoples R ChinaNaval Univ Engn, Dept Nucl Sci & Engn, Wuhan 430033, Peoples R China
Zhang, Jian-Guo
Shen, Xian-Rong
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Naval Med Res Inst, Shanghai 200433, Peoples R ChinaNaval Univ Engn, Dept Nucl Sci & Engn, Wuhan 430033, Peoples R China
Shen, Xian-Rong
Fan, Zheng-Qiu
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机构:
Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R ChinaNaval Univ Engn, Dept Nucl Sci & Engn, Wuhan 430033, Peoples R China
Fan, Zheng-Qiu
He, Ying
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Naval Med Res Inst, Shanghai 200433, Peoples R ChinaNaval Univ Engn, Dept Nucl Sci & Engn, Wuhan 430033, Peoples R China
He, Ying
Hou, Deng-Yong
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机构:
Naval Med Res Inst, Shanghai 200433, Peoples R ChinaNaval Univ Engn, Dept Nucl Sci & Engn, Wuhan 430033, Peoples R China
机构:
Hamdan Bin Mohammad Smart Univ, Deanship Res & Doctoral Studies, Dubai, U Arab EmiratesBangor Univ, Sch Biol Sci, Environm Ctr Wales, Bangor LL57 2UW, Gwynedd, Wales
机构:
Naval Univ Engn, Dept Nucl Sci & Engn, Wuhan 430033, Peoples R China
Naval Med Res Inst, Shanghai 200433, Peoples R ChinaNaval Univ Engn, Dept Nucl Sci & Engn, Wuhan 430033, Peoples R China
Luo, Qun
Zhang, Jian-Guo
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机构:
Naval Med Res Inst, Shanghai 200433, Peoples R ChinaNaval Univ Engn, Dept Nucl Sci & Engn, Wuhan 430033, Peoples R China
Zhang, Jian-Guo
Shen, Xian-Rong
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机构:
Naval Med Res Inst, Shanghai 200433, Peoples R ChinaNaval Univ Engn, Dept Nucl Sci & Engn, Wuhan 430033, Peoples R China
Shen, Xian-Rong
Fan, Zheng-Qiu
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机构:
Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R ChinaNaval Univ Engn, Dept Nucl Sci & Engn, Wuhan 430033, Peoples R China
Fan, Zheng-Qiu
He, Ying
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机构:
Naval Med Res Inst, Shanghai 200433, Peoples R ChinaNaval Univ Engn, Dept Nucl Sci & Engn, Wuhan 430033, Peoples R China
He, Ying
Hou, Deng-Yong
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机构:
Naval Med Res Inst, Shanghai 200433, Peoples R ChinaNaval Univ Engn, Dept Nucl Sci & Engn, Wuhan 430033, Peoples R China