|Information on related products can be found on the following pages:
|Ultraviolet Disinfection Systems|
|Under Counter UV Systems|
It is proven scientifically that 85% of child sickness and
65% of adult diseases
are produced by water-borne viruses, bacteria and intestinal protozoa such as Cryptosporidium and Giardia.
Inappropriate water treatment can lead to heath problems -
hepatitis B, tuberculosis, meningitis, typhoid fever, tricomoniasis,
and cholera, glaucoma, gastrointestinal pain, salmonella,
poliovirus, and diarrhea. In North America, E.coli O157:H7, an extremely dangerous strain of E.coli
bacteria, infects more than 80,000 people annually. Fortunately, E.coli O157:H7 is easily
inactivated by UV light.
Disinfecting your drinking water with ultraviolet
light (UV) makes good sense. It's environmentally safe, it's well
proven, and it's the way of the future for water disinfection requirements around the globe.
Ultraviolet (UV) disinfection uses a UV light source, which
is enclosed in a transparent protective sleeve. It is mounted
so that water can pass through a flow chamber, and UV rays
are admitted and absorbed into the stream. When ultraviolet
energy is absorbed by the reproductive mechanisms of bacteria
and viruses, the genetic material (DNA/RNA) is rearranged
and they can no longer reproduce. They are therefore considered
dead and the risk of disease has been eliminated.
UV-rays are energy-rich electromagnetic rays that are found in
the natural spectrum of the sunlight. They are in the range of the invisible
short wave light having a wavelength ranging from 100 to 400 nm
(1 nanometre = 10-9m).
UV, like distillation, disinfects water without adding chemicals,
and therefore possesses some of the same benefits as distillation.
It does not create new chemical complexes, nor does it change
the taste or odor of the water, and does not remove any beneficial
minerals in the water.
Ultraviolet devices are most effective when the water has
already been partially treated, and only the cleanest water
passes through the UV flow chamber. Niagara+ UV Purifiers use
both a sediment and a carbon filter to clean the water prior
to passing it through the UV light, to provide complete water
Ultraviolet light is a natural, cost effective, environmentally
friendly disinfection process for use in homes where healthy
water is a concern.
Many rural homeowners who draw their water from private wells assume that their water
is safe. Unless the water has been tested, however, there is no way to know whether
it contains potentially harmful pathogens. A coliform count indicates that a well
is contaminated. Faulty sewage or manure systems or field run-off can be sources of
Many livestock producers wish to protect their
animals from poor water quality and install water treatment systems that incorporate
UV for disinfection.
In many rural regions, homes and cottages draw their water directly from lakes or
streams, which collect potentially harmful storm run-off. Add that many animals live
in these lakes and streams, and the likelihood of microbial contamination in these
supplies is high. Again, the water can be tested, and a coliform count will indicate
whether the water should be disinfected.
As with any water supply, the level of contamination
can vary throughout the seasons. Water is most likely to be contaminated with
microorganisms during rainy season when levels are high and run-off peaks. Consequently,
the rainy season is an ideal time to test your water.
Testing private water supplies is typically
necessary before selling a rural home. But often only then do water contamination
problems become known. If a problem does exist, vendors must often prove that the water
is safe before the prospective buyers will take ownership. Installing an ultraviolet
water disinfection system is an effective, straightforward way to solve these types of
water contamination problems.
Public Water Supplies
Even people in communities served by municipally treated water are installing UV
systems. Concerns over the health affects of chlorine have prompted many families
to de-chlorinate their water. Some of these families use UV systems to disinfect their
de-chlorinated water. Others install UV systems to back up the municipal treatment
Restaurants, hotels, resorts, and campgrounds must supply safe water to their guests.
Many of these establishments now employ UV disinfection systems because they are simpler
and easier to handle than chlorination systems.
As well, the sick and elderly are more susceptible
to waterborne pathogens than are the young and healthy. Consequently, hospitals and
nursing homes must keep their water free from microbial contamination. The medical
industry also incorporates UV into essential processes such as dialysis.
Process Water for Industry
Factories and laboratories with low water use but high quality requirements can take
advantage of UV disinfection systems to treat their water. Some processes are unable
to tolerate chlorine, and the food and beverage industry wants to eliminate the odour
and taste of chlorine from their products.
Ultraviolet dosage required to destroy greater than 99.9%
of micro-organisms. Measured in microwatt seconds per centimeter
|Bacillus megaterium (vegatative)
|Bacillus subtills (vegatative)
|Legionella pneumophilla (legionnaires
|Leptospira intrrogans (Infectious Jaundice)
|Pseudomonas seruginosa (laboratory strain)
|Pseudomonas aeruginosa (environmental strain)
|Salmonella paratyphi (enteric fever)
|Salmonella typhosa (typhoid fever)
|Shigella dysenterai (dysentery)
|Shigella Flexneri (dysentery)
|Common yeast cake
|Penicillum digitatum (olive)
|Penicillum expensum (olive)
|PeniciHum roqueforti (green)
|Chlorella vulgaris (algae)
|Bacteriophage (E. coli)