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Five Types Of Advanced Water Purification Technologies

24 June, 2017

Membrane technology purification

RO purification:


Reverse osmosis is the most widely used water purification method. RO uses membrane technology to remove dissolved salts, impurities and germs from water. The semi permeable membrane separates germs and dissolved chemicals from water. The membrane has very fine pores that allows only water to pass through it leaving behind all the harmful chemical, dissolved salts and microbes suspended in water . The RO technology is advisable in the areas where the quality of water is hard and high in TDS.


UF purification:


UF (Ultra filtration) purification method uses membrane similar to RO membranes but with bigger pores. UF membranes essentially removes all colloidal particles including most pathogenic organisms and turbidity but fails to remove the dissolved solids and salts. Unlike UV purifier, UF water purifier physically removes all the germs and bacteria from the water. Ultra-filtration water purifiers are as good as RO water purifiers when the water supplied to homes is not very hard and has less TDS. RO is only required when the water has too much TDS and hardness.

UV purification or e-boiling:


UV water purification is a method of water filtration which uses ultra-violet light to kill all germs, bacteria, microbes, cysts, etc. in water. Ultraviolet water purification is a simple but effective process that destroys around 99.99% of the harmful organisms in water. There is a tiny mercury lamp inside the purifier that produces short wave UV radiations. These radiations irradiate the water and penetrate the cells of bacteria and viruses, destroying their ability to reproduce. The microbes and organisms fail to multiply and eventually die. This purification method only kills the germs but the bodies of the dead germs remain in the water. Separate filters are required to remove the germs physically. UV water purification is usually done in conjunction with other forms of filtration such as reverse osmosis or activated carbon filters.

Candle filter purifier:


Water purifiers with candle type filter have a very basic operating mechanism. The candle has very minute pores. Any particle which has the size larger than the pores gets blocked out and cannot pass on to the clean side. It does not require any electricity for operation. But the downside is that it fails to block microbes and so water still needs to be boiled before consumption. Also the candle needs to be cleaned up frequently for effective operations.

Activated carbon filter purifier:


This water purifier use activated carbon filters for purification process. The carbon filters can remove chemicals like chlorine, pesticides and impurities to a great extent. The filtration changes the taste and odor of water. It does not require electricity for operation. But it is also not very effective in removing microbes fr

At Akshay Swachh Jal , these filteration processes and much more is offered in the automated scalable units at an affordable price.




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