Aquiculture Water Disinfection Low Pressure UV Water Purifier

Aquiculture Water Disinfection Low Pressure UV Water Purifier  OverviewUV sterilization is actually a very simple process for inactivating unwanted free floating microscopic water borne bacteria, parasitic, fungal, viral, algae, and other unfriendly pathogens out of water by exposing it to high intensity ultra-violet (UV) light. UV radiation has three wavelength zones: UV-A,UV-B, and UV-C.UV light with wavelengths from 200-300 nm(UV-C) inactivates most microorganisms, with the greatest amount of inactivation occurring around 260 nm. A low-pressure mercury lamp resembling a fluorescent lamp produces the UV light in the range of 254 nanometers (nm). UV light has the ability to effect the function of living cells by altering the structure of the cells nuclear material, or DNA. The end result is the organisms die off, eradicating your water of these unwanted nuisances.Application:UV water sterilization is used in a wide variety of applications around the world including: 1. Residential Water Supply 2.Cottage Water Supply 3.Industrial Process Water 4. Laboratories 5. Bottling Plants 6. Food Processing 7. International Travel 8.Municipal Water Treatment 9. Military Camps 10. Relief Agency Camps 11. Emergency Preparedness Factors Affecting UV Treatment: UV sterilization affects waterborne contaminants and disease causing pathogens with a 99.9% kill rate. The result is high quality water exceeding all health department standards.Because UV does not leave any measurable residue in the water, it is recommended that the UV sterilizer be installed as the final step of treatment and located as close as possible to the final distribution system. Once the quality of the water source has been determined, you will need to look at things that will inhibit the UV from functioning properly (i.e. manganese, TDE, turbidity and suspended solids). Iron and Manganese will cause staining on the quartz sleeve and prevent UV energy from transmitting into the water levels as low as 0.03 ppm of iron and 0.05 ppm of manganese. Proper pre-treatment is required to eliminates this staining problem. Total Dissolved Solids (TDS) should not exceed approximately 500ppm. There are many factors that make up this equation, such as the particular make up of the dissolved solids and how fast they absorb the available UV energy. Calcium and magnesium, in high amounts, has a tendency to build up on the quartz sleeve, again impeding the UV energy from penetrating the water. Turbidity: is the inability of light to travel through water. Turbidity makes water cloudy and aesthetically unpleasant. In the case of UV, light levels over 1NTU can shield microorganisms from UV energy, making the process ineffective. Suspended Solids: need to be reduced to a maximum of 5 microns in size. Larger solidshave the potential of harboring or encompassing the micro organisms and preventingthe necessary UV exposure. Pre-filtering is a must on all UV applications to effectively estroy micro organisms to a 99.9% kill rate.   How UV Water Purifiers workUltraviolet (UV) light is invisible and is emitted by different light sources, including the sun. At certain intensities, UV light emits enough radiation to kill the DNA in bacteria and other microorganisms. An ultraviolet water purification system typically consists of a UV light source with an output of around 254 nanometers which produces radiation of a significantly greater intensity than the radiation produced by sunlight.  The UV light source is mounted in front of a flow chamber through which water passes. The water is exposed to the UV light source as it passes through the chamber. Any harmful microbes and bacteria that are present in the water are rendered sterile by the exposure to the germicidal radiation. UV radiation is so effective that it can eliminate up to 99.99% of bacteria and viruses, including those associated with water-borne illnesses such as Typhoid, Gastroenteritis, Hepatitis, Flu and Cholera. UV water purification can be used to treat water whether it's from a municipal water supply, a drinking-water well, lake or a spring. Limitations in UV Water FiltersAs remarkable as the technology is, ultraviolet water purification by itself is not enough to render water completely safe for drinking purposes. That's because UV radiation works only on microorganisms such as bacteria and viruses. UV light is of little use in eliminating other contaminants in water such as chlorine, heavy metals and VOC's (Volatile Organic Compounds). VOCs are toxic, man-made chemicals that leach into ground water during the manufacture of products such as paints, petroleum products and refrigerants. Product applicationUltraviolet light treatment is a widely recognized and proven method of disinfection of water and has several advantage over other disinfection methods such as chlorination, ozonation, etc.UV light does not add anything to the water ,such as ,undesirable color ,odor , taste , or flavor ,nor does it generate harmful by