Ultraviolet Systems
Ultraviolet disinfection process is carried out by decomposing DNAs of viruses, bacteria and microorganisms by applying UV rays at 254 nm wavelength without adding any chemicals or oxidants in water. Generating short UV waves by using low pressure mercury lamp, the disinfection system eliminates bacteria, protozoa, virus, mold, fungi, algae and their eggs. In conclusion, water that is treated healthily from the microbiological aspect without disturbing the chemical and physical structure is obtained. Byproducts which are harmful for environmental and human health such as THM are not produced. Corrosion never occurs in lines and equipment which the water passes through.
In Ultraviolet (UV) Systems a stainless steel bed surrounds the lamp and water passing through this bed is bombarded by the UV rays. Operating principle of UV system relies on eliminating microorganisms by disturbing their DNA and RNA structures. In order to carry out UV disinfection fully, the water shall not be cloudy and colored. Therefore, 5 micron filter is recommended before uv system generally.
Ultraviolet Systems consist of a stainless steel housing (ray chamber), UV lamp, quartz sheath to protect the lamp and to distribute the rays homogenously and an electrical panel. Lamp life is 9000 hours, units have a transmission rate of 95%. LED indicator located on the electrical panel makes it possible to understand whether there is a malfunction in the system. Also, lamp life can be monitored from the meter on the panel easily. Germ elimination capacities of UV systems reduce in time and it is recommended to replace the lamp annually.
Devices have a compact structure and can be mounted to a desired location with their suitable sizes. Systems provide low operating and maintenance cost advantages. In order to enable ultraviolet rays to take effect better, sedimentation and cloudiness shall be removed by using sand filters or cartridge filters which filter sedimentation precisely, before UV systems.
Ultraviolet Units are used conveniently in processes and places that chlorine cannot be employed, housings, cosmetic industry, food industry, paint industry, bottling plants, laboratories, hospitals, hotels since it is safe and economical.
Ultraviolet Systems come in two types as single and multi-lamp units. Mono lamp UV units operate effectively between capacities of 0.26 m3/h - 5 m3/h, multi lamp UV units operate effectively between capacities of 6 m3/h - 86 m3/h.
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