Difference Between RO, UV, UF and MF Purification Techniques

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Are you planning to purchase a new water purifier for your home? Are you confused between all the technical terms related to water purifier?

You are not alone in this sort of confusion. The reason is all brands promote their products by saying that “this is the best.” They do this to increase their sales and don’t provide exact information about their product. This is the reason for your confusion about which is best RO purifier, or which is best UV water purifier, which is best UF purifier, or which is best MF purifier.

This post will help you find out the difference between the technical terms related to water purifier.

RO Purification

  • RO stands for Reverse Osmosis. Thus, RO purification refers to Reverse Osmosis Purification.
  • This purification technique requires electricity for purification
  • The RO purification filters out all the bacteria and viruses that are present in the drinking water
  • This purification technique needs high water pressure. So, an extra water pump is installed in all RO purifiers to generate high pressure
  • The RO purification removes water dissolved salts and toxic metals
  • It filters out all the visible and suspended impurities like dirt, mud, sand, pebbles, corroded metals
  • The size of the filtration membrane in the RO purifier is 0.0001 Micron
  • The RO Purification technique has 90% TDS reduction property
  • It wastes much water while purifying the drinking water.

UV Purification

  • UV stands for Ultra Violet. Thus, UV Purification refers to Ultra Violet Purification
  • Like RO purification, UV purification also requires electricity for purifying water
  • The UV purification technique kills all the bacteria and viruses present in water. The remains of dead bodies of the bacteria and viruses are not filtered out
  • Unlike RO purifier, UV purifier doesn’t require high water pressure. It works on normal water pressure. So, no extra water pump is installed in UV purifier
  • This purification technique doesn’t remove water dissolved salts and harmful metals
  • It does not filter out the visible and suspended impurities like mud, sand, rust, dirt, pebbles
  • There is no filtration membrane in UV purifiers
  • The UV purification technique has 0% TDS reduction capacity
  • It doesn’t waste any water while purifying drinking water.
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UF Purification

  • UF stands for Ultra Filtration. Thus, UF Purification refers to Ultra Purification Filtration
  • Unlike RO and UV purification techniques, the UF purification does not require electricity for purifying water
  • Like RO purification technique, it filters out all the virus and bacteria present in water
  • Like UV purifier, UF purifier also works with normal tap water pressure. It does not require high water pressure. So, no extra water pump is installed in UF purifier
  • This purification technique does not remove dissolved salts and toxic metals
  • It filters out all the suspended and visible impurities such as pebbles, mud, sand, corroded metals, dirt, etc. that are present in water
  • The size of the filtration membrane in UF purifier is 0.01 Micron
  • The UF filtration technique has 0% TDS reduction capacity
  • It does not waste any water while purifying water for drinking purpose.

MF Purification

  • MF stands for Micro Filtration. Thus, MF Purification refers to Micro Filtration Purification
  • Unlike RO and UV purification techniques, the MF purification does not require electricity for purifying water
  • The MF purification technique filters out bacteria only. It cannot remove viruses present in water
  • Like UV purifier and UF purifier, MF purifier also works with normal tap water pressure. It does not require high water pressure. So, no extra water pump is installed in UF purifier
  • This purification technique does not remove dissolved salts and toxic metals
  • It filters out all the suspended and visible impurities such as pebbles, mud, sand, corroded metals, dirt, that are present in water
  • The size of the filtration membrane in the MF purifier is 0.1 Micron
  • The UF filtration technique has 0% TDS reduction capacity
  • It does not waste any water while purifying water for drinking purpose.
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As a conclusion, RO can alone remove all the impurities present in water. One more question arises, what is the need of other purification techniques like UV, UF, and MF purification. As an answer to this question, RO can remove all the impurities, but it has some drawbacks. During water heater maintenance one must not forget about water purifier maintenance.

Let’s not stretch this post any longer and come to the final thoughts.

It is not advised to depend on any single purification technique as every purification technique has its merits and demerits. What is desirable is to select a purifier that has multi-stage purification approach and uses multi-purification technologies.

That’s why water purifiers with a combination of RO, UV, UF, and MF purification technique along with TDS controller, is mostly recommended.

Hope, you find this article valuable. Moreover, the confusion of the difference between RO, UV, UF, and MF water purifiers is resolved. Now, you can select the best RO purifier, best MF purifier, best UF purifier, a best UV water purifier for home.

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