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Recovery of Trichloroethylene Removal Efficiency through Short-term Toluene Feeding in a Biofilter Enriched with Pseudomonas putida F1 원문보기

Biotechnology and bioprocess engineering : Bbe, v.10 no.1, 2005년, pp.34 - 39  

Jung In-Gyung (Industrial Liaison Research Institute, Kyung Hee University) ,  Park Ok-Hyun (Department of Environment Engineering, Busan National University) ,  Woo Hae-Jin (Department of Environment Engineering, Busan National University) ,  Park Chang-Ho (Industrial Liaison Research Institute, Kyung Hee University, Department of Chemical Engineering, Kyung Hee University)

Abstract ▼ AI-Helper 아이콘AI-Helper

Trichloroethylene (TCE) is an environmental contaminant provoking genetic mutation and damages to liver and central nerve system even at low concentrations. A practical scheme is reported using toluene as a primary substrate to revitalize the biofilter column for an extended period of TCE degradatio...

주제어

#trichloroethylene   #toluene feeding   #intermediates   #recovery   #Pseudomonas putida F1   #toluene load  

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제안 방법

  • 95. The air flow rate and other procedures, such as column activity restoration, activity adjustment to 30%, and the moment of efficiency determination, were the same as those applied to the previous experiment on the effect of the incoming toluene concentration.
  • The concentrations of toluene and TCE in the gas sample were analyzed by using a gas chromatograph (Autosystem XL, Perkin-Elmer, Wellesley, MA, USA), which was equipped with a Flame Ionization Detector (FID) and a capillary column (DB-WAX; J&W Scientific, USA). The temperatures of the oven, the detector, and the injector were controlled at 100, 200, and 150℃, respectively.
  • 99. This experiment was performed at incoming TCE concentrations of 24, 110, 190, 390, 500, and 970 μg/L, and at a fixed air flow rate of 800 mL/min. Before switching from one TCE concentration to another, the column was fully activated for at least 48 h by toluene (950 μg/L) feeding at 800 mL/min.

대상 데이터

  • The biofilter consisted of a gas - mixture - generating system, a nutrient-supplying system, and a cylindrical, three- plate glass column (11 cm I.D. x 95 cm total height) (Fig. 1). In each plate, spherical ceramic particles were packed up to 18 cm in height.
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참고문헌 (22)

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    상세보기 crossref

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    상세보기 crossref

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  21. Wackett, L. P. and D. Gibson (1988) Degradation of trichloroethylene by toluene dioxygenase in whole cell studies with Pseudomonas putida F1. Appl. Environ. Microbiol. 54; 1703-1708 

    상세보기

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    상세보기

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