Effects of Ultraviolet Radiation Disinfection on Purified Water in Water Dispenser
- VernacularTitle:饮水机中纯净水紫外线消毒效果研究
- Author:
Minghao ZHOU
;
Xiaocheng WU
;
Minghua CHENG
- Publication Type:Journal Article
- Keywords:
Water;
Ultraviolet rays;
Disinfection
- From:
Journal of Environment and Health
1989;0(06):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the effects of ultraviolet(UV)radiation disinfection on purified wecter in water dis-penser.Methods The original structure of water dispenser was modified by installing additional UV lamps.The water samples were collected from the tap of the newly modified water dispenser simulated the practical status of water supply in indoor environment under the different conditions including different intensities of UV lamps and water flow rates.The total counts of bacteria of water samples were determined based on the Sanitary Standard for Bottled Purified Drinking water(GB17324-1998).Results The total counts of bacteria of water samples collected from the tap of the newly mod-ified water dispenser were below20cfu/ml,which was lower than those of control water sample(P
