Author(s)

A. Elías, R. Arias, I. Cano, R. Gonzalez & A. Barona

Abstract

Effect of sudden variations in operating conditions on biofilter performance A. Elias, R. Arias, I. Cano, R. Gonzalez & A. Barona Department of Chemical and Environmental Engineering, University of the Basque Country, Engineering School, Spain Abstract Biofiltration is an efficient technology, which involves passing chemical-laden gases through a moist porous medium (packing material) containing active microorganisms. Although this technology is apparently simple, its effectiveness relies on the optimization of several operation parameters and the selection of a suitable paclung or carrier material. Whereas the steady-state performance of the biofiltration processes has been extensively studied, the transient behaviour under shock loading conditions has received little attention. In this study, four organic packing materials were characterized and tested for biofiltration purposes. After selecting the best carrier material, the response of the biofilter to sudden changes in the hydrogen sulphid

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