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Application range of UV disinfection technology Share

Since 1970s, UV disinfection technology has gradually applied in the field of water supply and drainage, which is mainly due to people's awareness of the disinfection by-products. Kang Chol from the development of the UV disinfection process analysis, due to a breakthrough in key technology of UV lamp, the UV disinfection system reliability is greatly improved, equipment use and long service life, reduce energy consumption, operation cost decrease, so the 1990s UV disinfection technology in Europe and the United States has been the rapid development and popularization and application.
In May 2003, China's State Environmental Protection Administration requirements of urban sewage treatment plant effluent should be combined with the actual take chlorination or ultraviolet radiation, ozone sterilization, visible, ultraviolet disinfection has become one of the sewage treatment plant effluent disinfection of standardized means. At present, the function and advantage of UV technology has been widely recognized, with the continuous improvement of water quality standards and people's safety awareness, ultraviolet disinfection in the following areas will have a more broad application prospects.
1, sewage disinfection, UV for wastewater treatment and reuse of water reuse has been used and will have more engineering application examples.
2, drinking water disinfection, ultraviolet radiation can effectively kill Giardia and Cryptosporidium, is a safety barrier for drinking water treatment.
3, advanced oxidation. For industrial wastewater with high concentration and low biodegradability, photocatalytic oxidation and photochemical oxidation will give full play to its strong oxidation ability, and can not degrade macromolecular organic compounds.
4, swimming pools, and other industrial and commercial process water oxidation and disinfection, disinfection of oilfield reinjection water, hospital wastewater treatment.
5, to eliminate ozone: wavelength of 254nm UV is very effective for the destruction of the remaining ozone, which can decompose ozone into oxygen, eliminate effect of ozone water on the follow-up processes; eliminate residual chlorine: 185nm and 254nm ultraviolet have been confirmed can effective destruction of residual chlorine and chlorine to ammonia chemical bonds.
6, lower TOC, mainly used in high tech industry and laboratory equipment.
7, air disinfection. Ultraviolet equipment for hospitals, clinics of air disinfection for decades of history. With the improvement of people's living quality, in the near future, factories, offices and families will begin to use ultraviolet air disinfection equipment. Especially the air conditioning system of air supply and exhaust pipe, the time is very easy to breed bacteria, air disinfection is also very necessary.
8, surface disinfection. In food and beverage production, most of the raw materials are easy to be used by bacteria, so it is easy to promote bacterial growth, but the safety of the food industry is not allowed to add chemical substances for sterilization, and thus ultraviolet disinfection technology to become one of the first choice.
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