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Water Quality Study on the Hot and Cold Water Supply Systems at Vietnamese Hotels

التفاصيل البيبلوغرافية
العنوان: Water Quality Study on the Hot and Cold Water Supply Systems at Vietnamese Hotels
المؤلفون: Kanako Toyosada, Takayuki Otani, Yasutoshi Shimizu, Shunsuke Managi
المصدر: Water, Vol 9, Iss 4, p 251 (2017)
بيانات النشر: MDPI AG, 2017.
سنة النشر: 2017
المجموعة: LCC:Hydraulic engineering
LCC:Water supply for domestic and industrial purposes
مصطلحات موضوعية: water saving, water quality, Legionella, Vietnamese hotel, Hydraulic engineering, TC1-978, Water supply for domestic and industrial purposes, TD201-500
الوصف: This study was conducted as part of the Joint Crediting Mechanism (JCM) of the Japanese Ministry of Economy, Trade and Industry, and the Ministry of the Environment project’s preparation in Vietnam. Samples were taken from hot and cold water supplies from guest rooms’ faucets in 12 hotels in Hanoi city, Vietnam, and 13 hotels in Japan for comparison. A simple water quality measurement and determination of Legionella was carried out. The results showed that residual effective chlorine—which guarantees bactericidal properties—was not detected in tap water supplied in hotel rooms in Vietnam, and nitrite (an indicator of water pollution) was detected in 40% of buildings. In the hotels in Japan, the prescribed residual chlorine concentration met the prescribed levels, and nitrite was not detected. Additionally, while there was no Legionella detected in the Japanese cases, it was detected in most of the Vietnamese hotels, which were found to manage the hot water storage tank at low temperatures of 40–50 °C. It was found that there were deficiencies in cold and hot water supply quality, and that there was no effective system in place for building operation maintenance and management.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2073-4441
Relation: http://www.mdpi.com/2073-4441/9/4/251; https://doaj.org/toc/2073-4441
DOI: 10.3390/w9040251
URL الوصول: https://doaj.org/article/6e197ce2632a45fda51486bd709e5f7a
رقم الأكسشن: edsdoj.6e197ce2632a45fda51486bd709e5f7a
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:20734441
DOI:10.3390/w9040251