Disinfection of herbal spa pool using combined chlorine dioxide and sodium hypochlorite treatment

doi:10.1007/s10661-014-4242-3

Chia Nan University of Pharmacy & Science Institutional Repository > 環境永續暨休閒學院 > 環境資源管理系(所) > 期刊論文 > Item 310902800/29597

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標題:	Disinfection of herbal spa pool using combined chlorine dioxide and sodium hypochlorite treatment
作者:	Hsu, Ching-Shan Huang, Da-Ji
貢獻者:	環境資源管理系
關鍵字:	Herbal spa Combined disinfectant Disinfection method
日期:	2015-02
上傳時間:	2016-04-19 19:01:31 (UTC+8)
出版者:	Springer
摘要:	The presence of pathogenic microorganisms in public spa pools poses a serious threat to human health. The problem is particularly acute in herbal spas, in which the herbs and microorganisms may interact and produce undesirable consequences. Accordingly, the present study investigated the effectiveness of a combined disinfectant containing chlorine dioxide and sodium hypochlorite in improving the water quality of a public herbal spa in Taiwan. Water samples were collected from the spa pool and laboratory tests were then performed to measure the variation over time of the microorganism content (total CFU and total coliforms) and residual disinfectant content given a single disinfection mode (SDM) with disinfectant concentrations of 5.2x10, 6.29x10, 7.4x10, and 11.4x10(-5) N, respectively. Utilizing the experience gained from the laboratory tests, a further series of on-site investigations was performed using three different disinfection modes, namely SDM, 3DM(once every 3 h disinfection mode), and 2DM (once every 2 h disinfection mode). The laboratory results showed that for all four disinfectant concentrations, the CFU concentration reduced for the first 6 h following SDM treatment, but then increased. Moreover, the ANOVA results showed that the sample treated with the highest disinfectant concentration (11.4x10(-5) N) exhibited the lowest rate of increase in the CFU concentration. In addition, the on-site test results showed that 3DM and 2DM treatments with disinfectant concentrations in excess of 9.3x10 and 5.5x10(-5) N, respectively, provided an effective reduction in the total CFU concentration. In conclusion, the experimental results presented in this study provide a useful source of reference for spa businesses seeking to improve the water quality of their spa pools.
關聯:	Environmental Monitoring And Assessment, v.187 n.2, Article ID 34
显示于类别:	[環境資源管理系(所)] 期刊論文

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