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Summary form only given. Conventional technology for disinfection by UV irradiation is based on mercury lamps. The development of a new mercury-free UV lamp is very important due to the environmentally unfriendly nature of mercury. In present study we compared the inactivation of Bacillus subtilis spores in water by means of a developed dielectric barrier discharge-driven Xel* excilamp and a conventional...
In these days, the damage of hot springs quality by bacilli is getting serious problem. The bacilli can be killed out by heating, chlorination or ultraviolet rays irradiation in general. However, some of bacilli have the tolerance in heat and chlorine, on the other hand they do not have the tolerance in ultraviolet rays. Therefore, most bacilli can be killed out by using ultraviolet rays (Yoshino,...
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