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Received April 28, 2006
Accepted October 18, 2006
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Performance of composite-ceramic and organic-clay carriers in biofilters treating hydrogen sulfide gas and toluene vapor
Department of Environmental Engineering, Pusan National University, Busan 609-735, Korea 1Institute of Public Health & Environment, 18-4, Sinheung-dong, Jung-gu, Incheon 400-101, Korea
ohpark@pusan.ac.kr
Korean Journal of Chemical Engineering, March 2007, 24(2), 233-238(6), 10.1007/s11814-007-5034-z
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Abstract
In order to find promising materials for bio-carriers, five kinds of spherical beads of 1 cm diameter were manufactured using natural soil including organic clay and inorganic clay such as diatomite, zeolite, bentonite, and germanium, which are cheap and favorable for pot-planting. Their performance was comparatively investigated according to material properties, microbial attachment and growth, and the biofiltration effect of H2S and VOC vapor when applied to biofilters. A composite-ceramic carrier made of 1 : 1 mixture of diatomite and bentonite clay showed the best performance among these carriers, according to the maximum removal capacity of these gases. Particularly, bentonite clay appears to be a good material for bio-carriers. The organic-clay carrier can be used as an alternative to peat and compost, being readily dried with a high flow rate particularly in the absence of a water supply.
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References
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Jung IG, Lee IH, Choung SJ, Kim CN, Koo YM, Kim E, Park CH, Korean J. Chem. Eng., 23(1), 34 (2006)
Wani AH, Branion RMR, Lau AK, J. Environ. Sci. Health A., 32(7), 2027 (1997)
Moris K, Methods of air sampling and analysis, 2nd edn., APHA, Washington, 676 (1997)
Park OH, Jeung IG, J. Kor. Soc. of Environ. Eng., 16(1), 71 (1994)
Devinny JS, Deshusses MA, Webster TS, Biofiltration for air pollution control, Lewis Publishers, New York, 23 (1999)
Park OH, A study on deodorization technology employing microorganisms, Final Report, KOSEF 891-1004-010-2 (1991)
Park OH, Park SH, Han JH, J. of Environ. Eng. ASCE, 130(10), 1118 (2004)
Young Y, Allen ER, J. Air Waste Manage. Assoc., 44, 863 (1994)
Taras MJ, Greenbeerg AE, Hoak RD, Rand MC, Standard Methods for the Examination of Water and Wastewater, 13th edn., APHA, New York, 718 (1971)
Korean Environment Protection Agency, Development of biological deodorization technology for sulfur-containing malodorous mixed gases to reduce odor pollution, 1st Year Report of G7 Project, 362 (1997)
Millano EF, Sorber CA, J. WPCF, 58(9), 919 (1986)
Hirai M, Kamamoto M, Yani M, Shoda M, J. Biosci. Bioeng., 91(4), 396 (2001)
Delhomenie MC, Bibeau L, Bedin N, Roy S, Broussau S, Brzezinski R, Kugelmass JL, Heizt M, Adv. in Environ. Res., 6, 239 (2002)
Yariv C, Bioresour. Technol., 77, 257 (2001)
Choi HS, Myung SW, Korean J. Chem. Eng., 21(3), 680 (2004)
