Abstract
A biotrickling filter (BTF) packed with porous polyurethane (PU) foam sheets was developed and operated for removal of gas-phase styrene. The specific surface area and void fraction of the PU foam sheet were determined to be 497 m2/m3 and 0.92, respectively, by using mathematical modeling and experimental measurement. The effects of gas flow direction (co-current and counter-current), styrene loading rate and empty bed residence time on the efficiency of the BTF were analyzed. The BTF achieved a high elimination capacity of 4.0 ̃ 5.0 kg styrene/m3day due to the high specific surface area of the PU foam. The BTF could be operated repeatedly when excessively-grown biomass was periodically removed, using circulating NaOH solution for 2 h every four days.
Original language | English |
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Pages (from-to) | 512-519 |
Number of pages | 8 |
Journal | Biotechnology and Bioprocess Engineering |
Volume | 15 |
Issue number | 3 |
DOIs | |
Publication status | Published - Jun 2010 |
Bibliographical note
Funding Information:This study was financially supported by the Brain Korea
Funding Information:
21 program of Pusan National University and the Pusan National University Internal Research Grant.
Keywords
- Biomass removal
- Biotrickling filter
- Elimination capacity
- Styrene
- VOC