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首页> 外文期刊>Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies >Using sediment microbial fuel cells (SMFCs) for bioremediation of polycyclic aromatic hydrocarbons (PAHs)
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Using sediment microbial fuel cells (SMFCs) for bioremediation of polycyclic aromatic hydrocarbons (PAHs)

机译:使用沉积物微生物燃料电池(SMFC)进行多环芳烃(PAH)的生物修复

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摘要

In this study, a sediment microbial fuel cell (SMFC) was explored to bioremediate polycyclic aromatic hydrocarbons (PAHs) in water originated from soil. The results showed consistent power generations of 6.02 +/- 0.34 and 3.63 +/- 0.37 mW/m(2) under an external resistance of 1500 Omega by the aerobic and anaerobic SMFC, respectively. Although the power generations were low, they had relatively low internal resistances (i.e., 436.6 +/- 69.4 and 522.1 +/- 1.8 Omega for the aerobic and anaerobic SMFC, respectively) in comparison with the literature. Nevertheless, the significant benefit of this system was its bioremediation capabilities, achieving 41.7%, 31.4% and 36.2% removal of naphthalene, acenaphthene and phenanthrene, respectively, in the aerobic environment and 76.9%, 52.5% and 36.8%, respectively, in the anaerobic environment. These results demonstrated the ability of SMFCs in stimulating microorganisms for bioremediation of complex and recalcitrant PAHs. (C) 2015 Elsevier Ltd. All rights reserved.
机译:在这项研究中,探索了沉积物微生物燃料电池(SMFC)来生物修复土壤中水中的多环芳烃(PAHs)。结果表明,有氧和厌氧SMFC分别在1500Ω的外部电阻下产生的恒定发电量分别为6.02 +/- 0.34和3.63 +/- 0.37 mW / m(2)。尽管发电量较低,但与文献相比,它们具有相对较低的内阻(即好氧和厌氧SMFC的内阻分别为436.6 +/- 69.4和522.1 +/- 1.8Ω)。然而,该系统的显着优势是其生物修复能力,在有氧环境中萘,和菲的去除率分别为41.7%,31.4%和36.2%,在有氧环境中分别达到76.9%,52.5%和36.8%。厌氧环境。这些结果证明了SMFCs刺激微生物对复杂难降解的PAHs进行生物修复的能力。 (C)2015 Elsevier Ltd.保留所有权利。

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