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.
COMMENTS