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ISSN : 1598-6616(Print)
ISSN : 2287-6731(Online)
Journal of Korean Society of Odor Research and Engineering Vol.8 No.1 pp.20-30

음식물쓰레기 자원화시설의 방지시설 운영개선에 관한 연구


In order to improve the management of food waste treatment facility, this study investigated the emission characteristics of odorous compounds around treatment process and deodorization equipment of three food waste treatment facilities(the transformation, feed production and composting facility). Furthermore, the removal experiment of odorous compounds using various absorbent was conducted. The odor concentrations of food waste storage hopper and separation process were higher than other processes and the major odorous compounds were methyl mercaptan, acetaldehyde, hydrogen sulfide and ammonia. The odor removal efficiencies of deodorization equipment such as activated carbon tower, wet scrubber and biofilter were mostly insufficient. Especially, the removal efficiency of wet scrubber is lower than the others, therefore the improvement of optimal operating condition is required. As a result of removal experiment of various absorbent, the removal efficiency was over 98% in case of 1% H₂SO₄+K₂HPO₄ for ammonia, KMnO₄ for acetaldehyde and KMnO₄ and 5% NaOH+KH₂PO₄ for hydrogen sulfide and methyl mercaptan. To achieve the effective odor control of food waste treatment facility, it is necessary increasing the removal efficiency of scrubber by using optimal absorbent for target odorous compounds.

음식물쓰레기 자원화시설의 방지시설 운영개선에 관한 연구