Abstract
In this study, we focus attention on odor of at the time of adult diaper exchange that was the factor to raise odor level in the patient room. An object of this study is to clarify main odor components and odor emission rate from excrement. In addition, we showed clearly the diffusion of the odors at the time of adult diaper exchange with the odor sensor installed in the patient room. The findings obtained are summarized as follows.(1) Odor concentration of excrement changed with the amount of excrement, the treatment contents of the medication, the intake method of the meal and the kinds of the meal, etc. The highest odor concentration was 23000.(2) The highest odor emission rate of at the adult diaper exchange was 460m3/min, and ventilation requirement was 57.5m3/min.(3) We clarified the main components of excrement were “hydrogen sulfide”, “methyl mercaptan”, “isovaleric acid”, “n-valeric acid”, “butyric acid” and “aldehydes”.(4) The odor generated at the time of adult diaper exchange diffused from the odor emission source, and the air current to occur by the work of the nurse influenced the diffusion of odor.
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