Sensory characteristics analysis for typical odor emission sources

• Autorzy: Yan Fengyue , Li Weifang , Wang Gen , Geng Jing , Lu Zhiqiang , Zhai Zengxiu , Zhang Yan

Identyfikatory

DOI

10.24425/aep.2021.138467

• Języki publikacji: EN

Abstrakty

EN

The hedonic tone of an environmental odor is a powerful predictor of annoyance. Pertinent field surveys combined with laboratory analysis of landfill, pharmaceutical factories and rubber factories have been conducted, with the purpose of obtaining a behavior curve of the hedonic tone for specific odor emissions, and comparing the annoyance potential and odor persistence of the sources under investigation. The 9-point scale was used to determine the hedonic tone, and the odor concentration was measured using the Triangle Odor Bag Method. The concentration to be presented to panel members comprises a range of 5 or 6 dilution steps which differ by a factor of approximately 3. Using a suitable curve fitting procedure, a line can be fitted through the points obtained in the experiment. Characteristic H values at any concentration can be derived from the hedonic behavior curve. The relationship between the hedonic tone and lgOC conforms to the quadratic polynomial for the three sources. The persistence of odor is expressed as a dose (concentration) response and (intensity) function. According to the rate of change in odor intensity, the pharmaceutical odor is the strongest, followed by the landfill odor, and then the rubber odor. Annoyance potential is calculated by multiplying lgOC with the max hedonic value, meaning that the three sources are sorted as follows: rubber factory>landfill>pharmaceutical factory. This study will further the understanding of the sensory characteristics of different odor sources.

Słowa kluczowe

EN

hedonic tone; odor intensity; annoyance potential; persistence of odor

• Wydawca: Institute of Environmental Engineering, Polish Academy of Sciences
• Czasopismo: Archives of Environmental Protection
• Rocznik: 2021
• Tom: Vol. 47, no. 3
• Strony: 92--97
• Opis fizyczny: Bibliogr. 22 poz., tab., wykr.

Twórcy

autor

Yan Fengyue

• State Environmental Protection Key Laboratory of Odor Pollution Control, Tianjin 300191, China
• Tianjin Academy of Eco-environmental Sciences, Tianjin, 300191, China
• Tianjin Sinodour Environmental Protection Science and Technology Development Co., Ltd., Tianjin 300191, China

autor

Li Weifang

• State Environmental Protection Key Laboratory of Odor Pollution Control, Tianjin 300191, China
• Tianjin Academy of Eco-environmental Sciences, Tianjin, 300191, China

autor

Wang Gen

• State Environmental Protection Key Laboratory of Odor Pollution Control, Tianjin 300191, China
• Tianjin Academy of Eco-environmental Sciences, Tianjin, 300191, China

autor

Geng Jing

• State Environmental Protection Key Laboratory of Odor Pollution Control, Tianjin 300191, China
• Tianjin Academy of Eco-environmental Sciences, Tianjin, 300191, China

autor

Lu Zhiqiang

• State Environmental Protection Key Laboratory of Odor Pollution Control, Tianjin 300191, China
• Tianjin Academy of Eco-environmental Sciences, Tianjin, 300191, China

autor

Zhai Zengxiu

• State Environmental Protection Key Laboratory of Odor Pollution Control, Tianjin 300191, China
• Tianjin Academy of Eco-environmental Sciences, Tianjin, 300191, China
• Tianjin Sinodour Environmental Protection Science and Technology Development Co., Ltd., Tianjin 300191, China

autor

Zhang Yan

• State Environmental Protection Key Laboratory of Odor Pollution Control, Tianjin 300191, China
• Tianjin Academy of Eco-environmental Sciences, Tianjin, 300191, China
• Tianjin Sinodour Environmental Protection Science and Technology Development Co., Ltd., Tianjin 300191, China

Bibliografia

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