UV light for food sterilization
Bacteria such as Salmonella, Listeria and E. coli, which have a comparatively thin cell wall and can thus only slightly block the UV radiation, are extremely vulnerable and are very easily destroyed. On the other hand, mould spores protect themselves against UV radiation with a thick cell wall, which can even be pigmented.
The industrial food processing are known for their cleanliness; their protocols are based around a strict and stringent cleaning process after every operation so that products can be maintained at the required level of quality and safety for the retailer and eventually the buyer. Products which have been prepared under strict hygienic control have a longer shelf life and therefore have more value.
One of the ways in which industrial food processors can improve their processes is through the introduction of UV disinfection systems. XPES is well known for its uv light for food processing sterilization and has introduced them to companies all over the UK and Europe for disinfection applications.
One of the obvious big advantages of systems such as these is that they eliminate the use of strong chemicals which could contaminate or taint products. The system is always on, giving reliable operation with very little maintenance – typically, the UV lamps only need replacing once a year, but when you buy the xpes uv light for your food processing, it will become a three years.
The microorganisms are then considered dead, and the risk of a disease from them is eliminated. UV light for food sterilization has an effective kill rate of 99.9% of most living microorganisms such as bacteria & viruses.
185nm for ozone:
The 185 nm UV light, used in TOC reduction applications, decomposes the organic molecules. The 185 nm light carries more energy than the 254 nm light. The 185 nm light generates hydroxyl (OH·) free radicals from water molecules.
254nm for ultraviolet:
For disinfection and ozone destruction applications, the 254 nm wavelength is utilized. For TOC reduction and chlorine destruction applications a unique wavelength is utilized. The 254 nm UV light is also used to destroy residual ozone present in a water stream.
XPES has European and American mainstream lighting electrical certifications and has obtained independent R＆D patent.
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