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논문 상세정보

Bio-filter에 의한 토양중의 VOCs 분해특성

The Characteristics of Biodegradation for VOCs in Unsaturated Soil by Bio-filter


The objective of this study was to develop a mechanistically based mathematical model that would consider the interdependence of VOCs transport, microbial activity, and sorptive interactions in a moist, unsaturated soil. Because the focus of the model was on description of natural attenuation, the advective VOCs transport that is induced in engineered remediation processes such as vapor extraction was not considered. The utility of the model was assessed through its ability to describe experimental observations from diffusion experiments using toluene as a representative VOCs in well-defined soil columns that contained a toluene degrading bacterium, Pseudomonas putida G7 md Fl, as the sole active microbial species. The gas-liquid mass-transfer was found to be a key parameter controlling the ability of bacteria to degrade VOCs. This finding indicates that soil size and geometry are likely to be important parameters in assessing the possible success of natural attenuation of VOCs in contaminated unsaturated soils. Therefore we found that Pseudomonas putida G7 and Fl were very effective to remove of refractory pollutants such as toluene in soil by Bio-filter

저자의 다른 논문

참고문헌 (12)

  1. Allen-King, R.M., K.E. O'Leary, R.W. Gillham, J.F. Barker, Limitations of the biodegradation rate of dissolved BTEX in a natural, unsaturated, sandy soil: Evidence from field and laboratory experiments, Hydrocarbon Bioremediation, 175-191, 1993 
  2. Chiou, C.T. and T.D. Shoup., Soil sorption of organic vapors and effects of humidity on sorptive mechanism and capacity. Environ. Sci. Technol. 19(2): 1196-1200, 1985 
  3. 한국토양환경학회, 오염토양복원 기술 국제세미나, 1997 
  4. Abriola, L.M., Kurt, D. Pennell, Walter J. Weber, John R Lang, Mark D. Wilkins, Persistence and Interphase Mass Transfer of Organic Contaminants in the Unsaturated Zone: Experimental Observations and Mathematical Modeling, 1995 
  5. Falta, Ronald W, Irai Iavandel, Karsten Pruess, Paul A Witherspoon, DensityDriven Flow of Gas in the Unsaturated Zone Due to the Evaporation of Volatile Organic Compounds, Water Resources Research 25.10, 2159-2169, 1989 
  6. 권선순, PAHs로 오염된 토양의 생물학적 복원기술에 관한 연구, 2000 
  7. Brown, D.S., S.W. Karickhoff, E.W. Flagg, Empirical Prediction of Organic Pollutant Sorption in Natural Sediments, Journal of Environmental Quality, 10(3): 382-386, 1981 
  8. Devinny, J.S., V.F. Medina and D.S. Hodeg, Biofiltration for treatment of gasoline vapors, Hydrocarbon Remediation, 12-19, 1993 
  9. 한국건설기술연구원, 유류오염토양 현장복원기술개발, 1998 
  10. Button, D. K, Kinetics of Nutrient-Limited Transport and Microbial Growth, Microbiological Reviews 49.3 270-297, 1997 
  11. Duetz, Wouter A., Caroline de Jong, Peter A. Willians, Johan G. van Andel, Cp,[etotopm in Chemostat Culture between Pseudomonas Strains That Use Different Pathways for the Dregradation of Toluene, Applied and Environmental Microbiology 60.8, 2858-2863, 1994. 
  12. 환경부, 토양오염공정시험법, 2000 

이 논문을 인용한 문헌 (1)

  1. Choi, Bom ; Chun, Man Young ; Lee, Chang Hee 2014. "Evaluation for Soil Moisture Stabilization and Plant Growth Response in Horizontal Biofiltration System Depending on Wind Speed and Initial Soil Moisture" 韓國資源植物學會誌 = Korean journal of plant resources, 27(5): 546~555 


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