Difference between RO, UV, and UF Water Purifiers

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You are out in the market to buy a water purifier, and you hear terminologies like an RO,a UV, or a UF water purifier.Now you are wondering what do these terminologies mean.Do not be confused.We will help you understand the basic difference between these technologies of water purification which will aid you in buyingthe right water purifier for your home.

RO Water Purifier:

An RO Water Purifier is a Reverse Osmosis (RO) water purifier that uses an RO membrane to trap all the physical impurities and microorganisms from the water.The RO membrane has ultra-fine filtering holes,which can even trap dissolved salts present in the water thereby giving pure, safe, drinkable water.

UV Water Purifier:

A UV Water Purifier uses modern Ultra Violet technology to kill the bacteria, germs, and living microorganisms.These impurities are not physically removed from the water but are only killed by the UV light.The dead microorganisms still remain in the water.The UV water purifier will only work properly if the UV light effectively passes through the water thereby killingall the germs.The water should be clear of physical impurities so that UV rays are not blocked.If the UV light is switched off for some time, there is accumulation of algae and dirt on the surface of the UV bulb, which blocks the UV light’s pathway thereby decreasing the efficiency of the water purifier.Therefore, UV bulb needs frequent cleaning.

UF Water Purifier:

An Ultra Filtration (UF) Water Purifier purifies water using UF membranes with pore sizes as small as 0.1 to 0.001 micron.The pore sizes of RO membranes are comparatively much smaller than the UF membrane.UF membranes can efficiently remove organic and inorganic impurities, living bacteria and germs, and colloidal particles.

The differences between the three water purifiers are shown in the table below:

Final Verdict:The table shows that RO water purifiers have the best water purification technology;however, there are other factors that can influence your buying decision such as price of the water purifier, availability of power supply, operational costs et cetera which differ for the three types of water purifiers.Do take into account all these other factors when bringing home an appropriate water purifier.

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