This study was conducted to evaluate the applicability of a carrier media with natural minerals as packing material in a biofilter to remove odor-causing compounds. The carriers were prepared by mixing powdered zeolite, barley stone, and clay. They have a pellet type with a length of 5m m to 10 mm, 3.2 m2/g of a specific surface area, and 0.04 cm3/g of a pore volume. The adsorption capacity and the biodegradation by biomass formation on the media were experimented with toluene and ammonia as the test compounds. The carrier possessed the ability to adsorb toluene and ammonia. The adsorption capacity of toluene and ammonia at the inlet concentration of 100 ppmv was 58 g/g and 96 g/g, respectively. In the biofilter using the carrier as the packing material, the biofilter performances were different depending on the supply of moisture and liquid-nutrient. The critical loading was found to be 33.13 g/m3/hr for toluene removal and 6.5g /m3/hr for ammonia removal even when no nutrients were supplied. The proposed material has been confirmed to be capable of adsorbing inorganic and organic compounds, and can be effectively applied as packing materials for the biofiltration.

Abstract
1. 서 론
2. 실험방법
    2.1 실험재료
    2.2 실험장치
    2.3 분석방법
3. 결과 및 고찰
    3.1 담체 물성
    3.2 흡착 특성
    3.3. 생물학적 분해 특성
4. 결 론
References

• 서동현(서울과학기술대학교 환경공학과) | Donghyun Seo (Department of Environmental Engineering, Seoul National University of Science and Technology)
• 오길용(대우산업개발(주) 관리안전부) | Gilyong Oh (Safety Health Team, Management Safety Department, Daewoo Development CO., LTD.)
• 김대근(서울과학기술대학교 환경공학과) | Daekeun Kim (Department of Environmental Engineering, Seoul National University of Science and Technology) Corresponding author