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Issue
Korean Journal of Chemical Engineering,
Vol.24, No.2, 233-238, 2007
Performance of composite-ceramic and organic-clay carriers in biofilters treating hydrogen sulfide gas and toluene vapor
Park OH, Han JE
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.
Keywords: Bio-carrier Performance; Biofiltration; Composite-ceramic; Removal Capacity; Specific Surface Area
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[Cited By]
  1. Lim SJ, Kim EY, Ahn YH, Chang HN, Korean Journal of Chemical Engineering, 25(1), 129, 2008
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