Biodegradation of gaseous benzene with microbial consortium in a biofilter

The objective of this study was to investigate the biodegradation of gaseous benzene in a biofilter inoculated with benzene-oxidizing microorganisms. The biofilter performance was monitored in terms of benzene removal efficiency and carbon dioxide production. The biofilter was capable of achieving a...

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Détails bibliographiques
Publié dans:Environmental technology. - 1993. - 23(2002), 4 vom: 21. Apr., Seite 437-44
Auteur principal: Kim, J O (Auteur)
Autres auteurs: Lee, W B
Format: Article
Langue:English
Publié: 2002
Accès à la collection:Environmental technology
Sujets:Journal Article Research Support, Non-U.S. Gov't Gases Membranes, Artificial Benzene J64922108F
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520 |a The objective of this study was to investigate the biodegradation of gaseous benzene in a biofilter inoculated with benzene-oxidizing microorganisms. The biofilter performance was monitored in terms of benzene removal efficiency and carbon dioxide production. The biofilter was capable of achieving as much as 96% benzene removal efficiency at a residence time of 2 min and an inlet concentration of 220 ppm. During operation with an inlet benzene of 220 ppm, the maximum elimination capacity of the biofilter was 483 g of C6H6 m(-3) day(-1). Under the same conditions, carbon dioxide with a concentration of up to 726 ppm was produced. It was found that carbon dioxide wasproduced at a rate of 608 mg day(-1), which corresponded to a volume of 0.35 l day(-1). Observable features of the microorganisms, meaning microbial activity occurrence in the biofilter, were investigated with the microscopy analysis 
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