Browse > Article
http://dx.doi.org/10.7464/ksct.2012.18.2.209

Odorous Gas Removal in Biofilter with Powdered Activated Carbon and Zeolite Coated Polyurethane Foam  

Lee, Soo-Chul (Ecovision Ltd.)
Kim, Dong-Jin (Department of Environmental Sciences and Biotechnology, Hallym University)
Publication Information
Clean Technology / v.18, no.2, 2012 , pp. 209-215 More about this Journal
Abstract
The performance and removal efficiencies of a pilot scale biofilter were estimated by using ammonia and hydrogen sulfide as the odorous gases. Expanded polyurethane foam coated with powdered activated carbon and zeolite was used as a biofilm supporting medium in the biofilter. Odorous gases from the sludge thickener of a municipal wastewater treatment plant were treated in the biofilter for 10 months and the inlet ammonia and hydrogen sulfide concentrations were 0.1-1.5 and 2-20 ppmv, respectively. The removal efficiencies reached about 100% at the empty bed retention time (EBRT) of 3.6-5 seconds except for the adaptation periods. The pressure drop of the biofilter caused by the gas flow was also low that the maximum attained was 31 mm $H_2O$ during the operation. Its stability was confirmed in the long term due to the fact that the biofilter and the polyurethane medium had a minimum plugging and compression. The microbial community on the medium is critical for the performance of the biofilter especially the distribution of ammonia oxidizing bacteria (AOB) and sulfur oxidizing bacteria (SOB). The distribution of Nitrosomonas sp. (AOB) and Thiobacillus ferroxidans (SOB) was confirmed by FISH (fluorescence in situ hybridization) analysis. The longer the operation time, the more microbial population observed. Also, the medium close to the gas inlet had more microbial population than the medium at the gas outlet of the biofilter.
Keywords
Biofilter; Odorous gas; Ammonia; Polyurethane foam; Hydrogen sulfide;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Chung, Y-C., Lin, Y-Y., and Tseng, C-P., "Removal of High Concentration of $NH_3$ and Coexistent $H_2S$ by Biological Activated Carbon (BAC) Biotrickling Filter," Biores. Technol., 96, 1812-1820 (2005).   DOI   ScienceOn
2 Ho, K-L., Chung, Y-C., and Tseng, C-P., "Continuous Deodorization and Bacterial Community Analysis of a Biofilter Treating Nitrogen-containing Gases from Swine Waste Storage Pits," Biores. Technol., 99, 2757-2765 (2008).   DOI   ScienceOn
3 Ministry of Environment (Korea), Design Guidelines for Mechanical Facility of Municipal Wastewater Treatment Plant (2001).
4 Manz, W., Amann, R., Ludwig, W., Wagner, M., and Schleifer, K-H., "Phylogenetic Oligonucleotide Probes for the Major Subclass of Proteobacteria: Problems and Solutions," Syst. Appl. Microbiol., 15, 593-600 (1992).   DOI
5 Goldstein, N., "Odor Control Experience: Lessons from the Biofilter," Biocycle, 37, 70-75 (1996).
6 Victor, F. M., and Webster, T., "Treatment of Gasoline Residuals by Granular Activated Carbon Based Biological Filtration," J. Environ. Sci. Health A., 30, 407-422 (1995).
7 Christian, K., and Frederic T., "Waste Gas Biotreatment Technology," J. Chem. Technol. Biotechnol., 72, 303-319 (1998).   DOI   ScienceOn
8 Kim, J. H., Park, D. W., and Kim, H. H., "Removal of VOCs Using Nylon 6 Fiber Media Immobilized with Microorganisms," Clean Technol., 9, 37-42 (2003).
9 McNevin, D., and Barford, J., "Biofiltration as An Odour Abatement Strategy," Biochem. Eng. J., 5, 231-242 (2000).   DOI   ScienceOn
10 Gaudin, F., Andres, Y., and Cloirec, P.L., "Packing Material Formulation for Odorous Emission Biofiltration," Chemosphere, 70, 958-966 (2008).   DOI   ScienceOn
11 Lee, S. C., and Kim, D. J., "Porous Polymer Matrix Formed with Activated Carbon and Zeolite for Biofilter and Method for Preparing the Same," Korea Patent No. 10-0433644 (2004).
12 Chung, Y-C., Huang, C., and Tseng, C-P., "Biological Elimination of $H_2S$ and $NH_3$ from Waste Gases by Biofilter Packed with Immobilized Heterotrophic Bacteria," Chemosphere, 43, 1043-1050 (2001).   DOI   ScienceOn
13 Malhautier, L., Gracian, C., Roux, J-C., Fanlo, J-L., and Cloirec, P.L., "Biological Treatment Process of Air Loaded with An Ammonia and Hydrogen Sulfide Mixture," Chemosphere, 50, 145-153 (2003).   DOI   ScienceOn
14 Chung, Y-C., Huang, C., Tseng, C-P., and Pan, J.R., "Biotreatment of $H_2S$- and $NH_3$-containing Waste Gases by Coimmobilized Cells Biofilter," Chemosphere, 41, 329-336 (2000).   DOI   ScienceOn