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Delhoménie, Marie‐Caroline; Heitz, Michèle

Elimination of chlorobenzene vapors from air in a compost‐based biofilter

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  • Medientyp: E-Artikel
  • Titel: Elimination of chlorobenzene vapors from air in a compost‐based biofilter
  • Beteiligte: Delhoménie, Marie‐Caroline; Heitz, Michèle
  • Erschienen: Wiley, 2003
  • Erschienen in: Journal of Chemical Technology & Biotechnology
  • Sprache: Englisch
  • DOI: 10.1002/jctb.822
  • ISSN: 0268-2575; 1097-4660
  • Schlagwörter: Inorganic Chemistry ; Organic Chemistry ; Pollution ; Waste Management and Disposal ; Fuel Technology ; Renewable Energy, Sustainability and the Environment ; General Chemical Engineering ; Biotechnology
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  • Beschreibung: <jats:title>Abstract</jats:title><jats:p>In this work, the removal of monochlorobenzene (CB) vapors from air was studied, for the first time, in a non‐inoculated, laboratory‐scale, aerobic biofilter. The influence of three parameters on the bioprocess has been evaluated: the rate of nitrogen supplied to the bed, the inlet concentration of CB, and the flow rate. The CB inlet concentration was varied between 0.3 and 3.2 g m<jats:sup>−3</jats:sup>, at a constant flow rate of 1.0 m<jats:sup>3</jats:sup> h<jats:sup>−1</jats:sup>. Removal rates of greater than 90% were achieved for CB inlet concentrations of up to 1.2 g m<jats:sup>−3</jats:sup>. Then the flow rate was varied from 0.5 to 3.0 m<jats:sup>3</jats:sup> h<jats:sup>−1</jats:sup> with a constant inlet concentration (1.2 g m<jats:sup>−3</jats:sup>). Maximum elimination capacities (70 g m<jats:sup>−3</jats:sup> h<jats:sup>−1</jats:sup>) were reached for contact times of greater than 60 s. The study of varying flow rates also permitted evaluation of a first order macrokinetic constant (1.1 × 10<jats:sup>−2</jats:sup> s<jats:sup>−1</jats:sup>) for the CB biodegradation. Finally, the optimum nitrogen input value was found to lie between 0.3 and 0.4 g N h<jats:sup>−1</jats:sup> and gave rise to elimination capacities as high as 70 g m<jats:sup>−3</jats:sup> h<jats:sup>−1</jats:sup> for an inlet load of near 80 g m<jats:sup>−3</jats:sup> h<jats:sup>−1</jats:sup>. Copyright © 2003 Society of Chemical Industry</jats:p>