Paper Title:
A Pilot-Scale Rotating Drum Biotrickling Filter for Removing Gaseous Styrene
  Abstract

A new type of biofilter, the rotating drum biotrickling filter (RDBF) system, was developed and operated to remove styrene from waste gas stream. Porous polyurethane foam sheets were used as a packing material for the RDBF and a pure culture of the Gram-positive bacterium Brevibacillus sp. SP1 was as an inoculum. The reactor showed a short start-up period of 18 days. Once uniform biofilms were developed on the packing, a high and stable removal of styrene over 95 % was observed at an incoming concentration of 200 ppmv and a retention time of 0.5 min. The maximum elimination capacity was estimated to be 125 g/m3/hr. The outstanding performance was attributed to an efficient gas-liquid mass transfer and proper supply of nutrient solution to the packing during the rotation of the drum. However, this performance of the RDBF was not maintained longer than 7 days because of the clogging of the open pores in the polyurethane foam due to an excessive growth of the biofilms. This result indicates that the RDBF has great potential as a gas purification system if a proper method to control the biofilm growth is developed.

  Info
Periodical
Key Engineering Materials (Volumes 277-279)
Edited by
Kwang Hwa Chung, Yong Hyeon Shin, Sue-Nie Park, Hyun Sook Cho, Soon-Ae Yoo, Byung Joo Min, Hyo-Suk Lim and Kyung Hwa Yoo
Pages
517-522
DOI
10.4028/www.scientific.net/KEM.277-279.517
Citation
J. S. Lim, J. W. Hwang, C. Y. Choi, B. H. Kim, S. H. Park, "A Pilot-Scale Rotating Drum Biotrickling Filter for Removing Gaseous Styrene", Key Engineering Materials, Vols. 277-279, pp. 517-522, 2005
Online since
January 2005
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Price
$32.00
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