Everything You Should Know About UV Water Filtration System
Mar 01, 2017
Our local municipalities take several steps to make the water supplied to our homes safe. However, due to various reasons (accidents, leakages, storage methods, etc.), this water is not always as pure as it should be for it to be portable.
We are, of course, aware of this problem and take steps to purify the water we drink. Boiling the water is an age-old method employed by many of us. Some of us also use water filters to clean our drinking water.
But how effective are these water purification methods? It turns out, not as much as they should be. So, how do you ensure safe drinking water for your family? The answer is ultraviolet water purification or UV purification in short.
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Why Is Boiling Water Not Enough?
Before we discuss UV purification, let us first look at a more traditional water purification method and tell you how it fails to achieve its purpose–boiling water. While boiling does indeed kill a majority of disease-causing microorganisms, it has its limitations.
- You need to boil water for 20 minutes or more to kill most microorganisms
- Not all microorganisms are killed even after that
- While you wait for the water to cool down, it has a chance to get reinfected
Then, there are the other disadvantages. Along with killing harmful microbes, boiling also kills the taste. That’s because it causes the dissolved oxygen to evaporate. Boiling water also requires a lot of energy, and it is time-consuming.
UV Light - Your Safest Bet to Purify Water
What is ultraviolet water purification? UV light is a part of the electromagnetic spectrum, just like visible light. But unlike regular light, we can’t see it. It is, however, highly energetic and capable of destroying living cells—particularly in the 250-270 nanometer wavelength. This is called germicidal UV light, and the water purification process is called ultraviolet germicidal irradiation.
What Makes UV Purification Superior to Chemical Purification
You just read that UV purification is the best way to purify water. Here’s what makes it better and safer than chemical purification—the method employed by municipal water suppliers.
Adding chlorine is the most common chemical purification method carried out. It’s effective because of chlorine’s germicidal properties. But we all know how bad chlorinated water tastes. Besides, too much chlorine is bad for more than just our olfactory sense.
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Water That's Free of 99.99% Microbes
This is where UV purification shines like that lone star on a cloudy night. What makes it safe is that it is a physical process and not a chemical one. This highly energetic light either physically kills or destroys the genetic material inside living cells. This means that microbes can no longer reproduce, rendering them ineffective.
Germicidal UV light is so effective that under controlled conditions, it can make water sterile (100% germ-free). However, such a high degree of purification is not practically possible for household applications. This is what leads many UV water purifier manufacturers to claim 99.99% purification, which is still sufficiently germ-free to make water safe for drinking.
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UV purified water is free of deadly diseases causing bacteria, viruses, and protozoa such as E. coli, salmonella, cryptosporidium and other microbes that are responsible for water-borne diseases like typhoid, dysentery, flu, cholera, infectious hepatitis, coliform, meningitis, giardia, etc.
What’s more, UV purification does not make the water taste or smell bad.
Limitations of UV Purification
While UV purified water is not harmful to us, it does have a few limitations. Here are a few.
- UV purification is most effective in killing microbes when the light is strong enough and the water is exposed to it for the required duration.
- Water has to be filtered to make it clear so that suspended and dissolved particles do not reduce the intensity of the UV light.
- If water is not filtered, microbes can ‘hide’ inside these suspended particles, which shield them from the UV light.
- UV purification is most effective when used along with filters that purify water to a high degree.
Give Your Family the Gift of Pure Water Through RO and UV Purification
Companies like Livpure have dedicated many years towards research and development to come up with advanced products such as the Smart Touch RO and UV water purifier. This purifier passes water through 6 filters, including an RO filter, to make water almost 100% pure. This crystal-clear water is then subjected to UV purification to eliminate all remaining microbes. If that isn’t enough, the water is made healthier before you drink it by introducing essential minerals into it.
Now that you understand the importance of UV water purification, why would you ever think of switching to a non-UV water purifier again?
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