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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.1
- 수록면
- 243 - 247 (5page)
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초록· 키워드
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The usage of ethanol (EtOH)-blended gasoline (gasohol), has been increasing in recent years. EtOH has influence on the distribution and biodegradation of aromatic compounds such as BTEX (benzene (B), toluene (T), ethylbenzene (B), and xylene (X)) that are gasoline
compositions. In this study, the effect of EtOH on the aerobic biodegradation of B, T and E was investigated using a BTEX and EtOH-degrading bacterium, Rhodococcus sp. EH831. The degradation rates of B in
the conditions of 1:1, 1:4, and 1:0.25 mixtures with EtOH (B:EtOH, mol:mol) were ranged from 3.82±0.20 to 5.00±0.37 μmol · g-dry cell wight (DCW)-1 · h-1. The degradation rate of T was the fastest in the 1:0.25 mixture
(6.63±0.06 μmol · g-DCW-1 · h-1), and it was the lowest in the 1:4 mixture (4.41±0.04 μmol ·DCW-1 · h-1). The degradation rates of E were increased with increasing the addition amount of EtOH: The degradation rate of E
was the highest in the 1:4 mixture (1.60±0.03 μmol · g-DCW-1 · h-1), and the rates were 1.42±0.06, 1.30±0.01, and 1.01±0.30 μmol · g-DCW-1 · h-1 in the 1:1, 1:0.25, 1.0 mixtures, respectively. In conclusion, the biodegradation
of B, T, E by Rhodococcus sp. EH831 was not significantly inhibited by the co-existence of EtOH.
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등록된 정보가 없습니다.
참고문헌 (15)
참고문헌 신청
Chen, Y. D / 2008 / strategy for aromatic hydrocarbon bioremediation under anaerobic conditions and the impacts of ethanol: A microcosm study / J. Contam. Hydrol 96 : 17 ~ 31
Corseuil, H. X / 1996 / Natural bioremediation perspective for BTX contaminated ground water in Brazil: effect of ethanol / Water Sci. Technol. 34 : 311 ~ 318
Corseuil, H. X / 1998 / The influence of the gasoline oxygenate ethanol on aerobic and anaerobic BTX biodegradation / Water Res. 32 : 2065 ~ 2072
Da Silva, M. L. B / 2002 / Effects of ethanol versus MTBE on benzene, toluene, ethylbenzene, and xylene natural attenuation in aquifer columns / J. Environ. Eng. 128 : 862 ~
Da Silva, M. L. B / 2005 / Enhanced anaaerobic biodegradation of BTEX-ethanol mixtures in aquifer columns amended with sulfate, chelated ferric or nitrate / Biodegradation 16
Corseuil, H. X / 1996 / Natural bioremediation perspective for BTX contaminated ground water in Brazil: effect of ethanol / Water Sci. Technol. 34 : 311 ~ 318
Corseuil, H. X / 1998 / The influence of the gasoline oxygenate ethanol on aerobic and anaerobic BTX biodegradation / Water Res. 32 : 2065 ~ 2072
Da Silva, M. L. B / 2002 / Effects of ethanol versus MTBE on benzene, toluene, ethylbenzene, and xylene natural attenuation in aquifer columns / J. Environ. Eng. 128 : 862 ~
Da Silva, M. L. B / 2005 / Enhanced anaaerobic biodegradation of BTEX-ethanol mixtures in aquifer columns amended with sulfate, chelated ferric or nitrate / Biodegradation 16
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