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공과대학
환경공학과
Journal papers
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Toluene degradation in a polyurethane biofilter at high loading
Title
Toluene degradation in a polyurethane biofilter at high loading
Authors
Ryu H.W.
;
Kim S.J.
;
Cho K.-S.
;
Lee T.H.
Ewha Authors
조경숙
SCOPUS Author ID
조경숙
Issue Date
2008
Journal Title
Biotechnology and Bioprocess Engineering
ISSN
1226-8372
Citation
Biotechnology and Bioprocess Engineering vol. 13, no. 3, pp. 360 - 365
Indexed
SCIE; SCOPUS; KCI
Document Type
Article
Abstract
In the present study, toluene elimination in the polyurethane (PU) biofilter during long-term (145 day) operation was characterized, and assessed the effects of changing the inlet loading and space velocity (SV). A very high elimination capacity of 3.7 kg·m-3·h-1 was obtained at an inlet loading of 4.0 kg·m-3·h-1 (inlet toluene concentration of 900 ppmv at a SV of 1,040 h-1). Backwashing with irrigation and compressed air allowed maintenance of a pressure drop of < 80 mm H2O·m-1-filter at an SV of 830 h-1 and an elimination efficiency of > 90% during the 145 day of operation. In conclusion, the PU biofilter can overcome the problems of clogging caused by excess biomass growth and of low treatment capacities of conventional biofilters. © KSBB.
DOI
10.1007/s12257-008-0025-4
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