폐수와 상수원수의 악취평가를 위한 공기희석관능법과 희석배수치 시험법의 비교
(주)코리아스칼라
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- 2016.04.02
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- 2014.09
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서지정보
ㆍ발행기관 : 한국냄새환경학회
ㆍ수록지정보 : 실내환경 및 냄새 학회지 / 13권 / 3호
ㆍ저자명 : 임봉빈, 허승호, 안덕규, 김선태
영어 초록
The object of this study is to investigate the relationship between the air dilution sensory test and the threshold odor number (TON) method for evaluating the odor of domestic wastewater, plating plant wastewater, food plant wastewater and lake water. The dilution factor of raw wastewater evaluated by the air dilution sensory test was in the order of food plant > plating plant > domestic > lake, and that evaluated by the threshold odor number method was in the order of food plant > domestic > plating plant > lake. The same results were obtained when the raw wastewater and lake water were diluted 2 and 5 times with pure water. The relative geometric standard deviation determined from the threshold values of each panel on the air dilution sensory test was much larger than that calculated from results derived from the threshold odor number method. The relative geometric standard deviation obtained from samples with a low dilution factor was greater. There was a very good linear correlation (correlation coefficient = 0.968~1.000) between the air dilution sensory test and the threshold odor number method. But, the reduction in odor intensity (the slopes of regression curves) by dilution was dependent on the types of the odor-emission sources.
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