Journal of Korean Society of Environmental Engineers (대한환경공학회지)

Korean Society of Environmental Engineers (대한환경공학회)
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Ammonia Removal in Food Waste Compost Using Bamboo Smoke Distillate

죽초액을 사용한 음식물퇴비내 암모니아 가스 제거

  • Kwoon, Gi-Woon (Department of Environmental Engineering, Kangwon National University) ;
  • Ahn, Johng-Hwa (Department of Environmental Engineering, Kangwon National University)
  • Received : 2012.11.19
  • Accepted : 2014.06.27
  • Published : 2014.06.30
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Abstract

The objective of this study was to find optimum amount of bamboo smoke distillate (BSD) and reaction time (RT) for ammonia removal in food waste compost (FWC). BSD amount (30 to 90 mL BSD/600 g FWC) and RT (1 to 3 h) significantly affected the ammonia removal in FWC. Within the design boundaries, the optimum conditions for maximum ammonia removal (8.47 ppm $NH_3$/600g FWC) were 74 mL BSD/600 g FWC (0.123 mL BSD/g FWC) and 3 h RT. The BSD was effective on ammonia removal in FWC, rather than vinegar (p < 0.05). Our results proved a good potential of BSD to serve as an alternative deodorant for FWC.

본 연구에서는 음식물퇴비에서 발생되는 악취물질 중 암모니아 가스를 탈취제를 사용하여 제거하는 실험을 진행하였다. 이를 위해 탈취제로 죽초액(bamboo smoke distillate, BSD)을 사용하여 첨가량과 반응시간에 따른 변화를 반응표면분석법을 통해 최적점을 도출하였다. 그 결과 본 연구에서 사용한 분석 범위내에서는 음식물퇴비(food waste compost, FWC) 600 g 당 죽초액 74 mL (0.123 mL BSD/g FWC)를 첨가하고 3시간 반응하였을 때 제거량(8.47 ppm $NH_3$/600g FWC)이 가장 높았다. 탈취제로 식초를 사용하였을 때의 암모니아 제거량보다 죽초액을 사용하였을 때 암모니아 제거량이 높았다(p < 0.05).

Keywords

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