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Water ATM UPSC NOTE

 


Water ATM

  • Delhi’s first ‘water ATM’.

  • It provides drinking water treated using the reverse osmosis (RO) process.

  • Anyone with a water ATM card, issued by the Delhi Jal Board, would be able to draw up to 20 litres of water daily from these ATMs free of cost.

  • Water drawn over the daily quota will be charged at the rate of ₹1.60 per 20 litres.

  • The launch of water ATMs is a crucial step towards ensuring that every citizen of Delhi receives clean and pure water at their doorstep.

  • No longer will the residents in areas without water pipelines have to rely on water tankers or compromised water sources.

What is reverse osmosis process?

  • Reverse osmosis is a water purification process that uses a semi-permeable membrane (synthetic lining) to filter out unwanted molecules and large particles such as contaminants and sediments like chlorine, salt, and dirt from drinking water. 

  • In addition to removing contaminants and sediments, reverse osmosis can also remove microorganisms.

  • It gets water clean down to a molecular level, leaving only pure H2O behind.

  • In reverse osmosis, an applied pressure is used to overcome the osmotic pressure and push the water from high concentration of contaminants to low concentration of contaminants. 

  • This means it’s being forced in reverse and the contaminated water is trying to move into the pure water, but because it must pass through a filter first, the contaminants get trapped and only the pure water passes through.

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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Water ATM UPSC NOTE
Water ATM UPSC NOTE
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