Initial Trials of Monochloramine Disinfection of Circulating Bathtub Water at Public Hot Spring Facilities and Determining its Efficacy

[Abstract] In this study, the effect of monochloramine disinfection by simple manual addition was verified through the microbiological and chemical monitoring of bathtub water. The research focuses on hot spring facilities that use hot spring waters containing high pH and high NH4-N concentrations,...

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Published inJournal of Hot Spring Sciences Vol. 70; no. 2; pp. 50 - 60
Main Authors Yasunori MORI, Keita YANAGIMOTO, Tetsuji YAMAMOTO, Yuki NAGAI, Hideki YOSHIMURA, Shigehiro AKACHI, Takaya YAMAGAMI, Kosei UEMATSU, Yoshiko HISADA, Masaya Nisnio, Jyurina YAGI, Shinji IZUMIYAMA
Format Journal Article
LanguageEnglish
Japanese
Published The Japanese Society of Hot Spring Sciences 01.09.2020
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ISSN0030-2821

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Abstract [Abstract] In this study, the effect of monochloramine disinfection by simple manual addition was verified through the microbiological and chemical monitoring of bathtub water. The research focuses on hot spring facilities that use hot spring waters containing high pH and high NH4-N concentrations, because these conditions diminish the effectiveness of sodium hypochlorite disinfection. Using the manual application of monochloramine as a disinfectant, Legionella spp. was not detected in the bathtub water or inside the pipes. Therefore, the simple manual disinfection using monochloramine was suggested to effectively control Legionella spp. These results imply that monochloramine disinfection by simple manual addition can control Legionella spp. Hot spring facilities using hot spring water unsuited to sodium hypochlorite disinfection that are considering the introduction of monochloramine disinfection, can verify this method without upfront costs.
AbstractList [Abstract] In this study, the effect of monochloramine disinfection by simple manual addition was verified through the microbiological and chemical monitoring of bathtub water. The research focuses on hot spring facilities that use hot spring waters containing high pH and high NH4-N concentrations, because these conditions diminish the effectiveness of sodium hypochlorite disinfection. Using the manual application of monochloramine as a disinfectant, Legionella spp. was not detected in the bathtub water or inside the pipes. Therefore, the simple manual disinfection using monochloramine was suggested to effectively control Legionella spp. These results imply that monochloramine disinfection by simple manual addition can control Legionella spp. Hot spring facilities using hot spring water unsuited to sodium hypochlorite disinfection that are considering the introduction of monochloramine disinfection, can verify this method without upfront costs.
Author Masaya Nisnio
Hideki YOSHIMURA
Shigehiro AKACHI
Tetsuji YAMAMOTO
Yoshiko HISADA
Kosei UEMATSU
Yasunori MORI
Yuki NAGAI
Takaya YAMAGAMI
Shinji IZUMIYAMA
Keita YANAGIMOTO
Jyurina YAGI
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Yamanashi Institute of Public Health and Environment
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Snippet [Abstract] In this study, the effect of monochloramine disinfection by simple manual addition was verified through the microbiological and chemical monitoring...
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Title Initial Trials of Monochloramine Disinfection of Circulating Bathtub Water at Public Hot Spring Facilities and Determining its Efficacy
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