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Relationships between biomass, pressure drop, and performance in a polyurethane biofilter

Title
Relationships between biomass, pressure drop, and performance in a polyurethane biofilter
Authors
Ryu H.W.Cho K.-S.Chung D.J.
Ewha Authors
조경숙
SCOPUS Author ID
조경숙scopus
Issue Date
2010
Journal Title
Bioresource Technology
ISSN
0960-8524JCR Link
Citation
vol. 101, no. 6, pp. 1745 - 1751
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
In biofilters for controlling volatile organic compounds (VOCs), clogging in the filter bed due to overgrowth of biomass causes the deterioration of biofilter performance. In this study, the relationships between biofilter performance, biomass concentration (X), and pressure drop (ΔP) was qualitatively and quantitatively evaluated in a polyurethane (PU) biofilter. Benzene was used as a model VOC. The relationship between ΔP and X at a moisture content of 80-90% was expressed as log ΔP (mm H 2Om -1) = 0.315 + 3.87 log X (g-dry cell weight (DCW) g-PU -1), 0.8 < X < 2.5. Maximum removal rate (V m) for benzene declined with increasing biomass concentration at more than 0.8 g-DCW g-PU -1, and the following equation was obtained: V m (g m -3 h -1) = 811 - 261 X (g-DCW g-PU -1), 0.8 < X < 2.5. The quantitative relationships obtained in this study can be applied to assess and optimize PU biofilter performance for long-term operation. © 2009 Elsevier Ltd.
DOI
10.1016/j.biortech.2009.10.018
Appears in Collections:
엘텍공과대학 > 환경공학전공 > Journal papers
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