IIT-Kanpur, MIT Researchers Create Cost-Effective Water Purifying Device To Trace Hard Metal Pollutants

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IIT-Kanpur, MIT Researchers Create Cost-Effective Water Purifying Device To Trace Hard Metal Pollutants

Researchers from IIT-Kanpur and MIT have developed a low-cost water purifying device that can detect hard metal pollutants. The device can produce inorganic contaminant-free water at a low cost of ₹2 per litre.

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In collaboration with the Massachusetts Institute of Technology (MIT), researchers from IIT-Kanpur have developed a device that can help purify water and make it safe for drinking by detecting hard metal components. The device can produce inorganic contaminant-free water at a low cost of ₹2 per litre. Researchers say that the device can be used in rural areas where water quality testing facilities are limited.

Know About The Device

Indra Sekhar Sen, associate professor at the Department of Earth Sciences, and project lead from IIT-Kanpur, said, "It is a collapsible bottle of one-litre capacity with an ion-exchanging resin mechanism working inside it. The desired amount of water is to be filled into this bottle and given a mechanical shake." He further added that the resin absorbs and makes the water free from heavy metal pollutants mixed in it through a mechanism of ion exchanges.

The device works without power and has zero maintenance expenses, as it does not leave any residual wastewater.

In a press statement, Professor Abhay Karandikar, Director of IIT-Kanpur, said, "This novel device would be revolutionary in terms of water quality monitoring and purification. This is a very timely and quintessential device to curb the issues plaguing clean water resources."

The device was developed by using existing knowledge of ion-exchanging resin. These resins are granular microbeads of polymers that facilitate the exchange of ions during chemical reactions.

How This Device Can Be Vital For Humans

India has a high groundwater depletion rate, making supplying clean and sufficient safe drinking water a massive task, as it involves the efforts of multiple government agencies and stakeholders along with technological support. Researchers from IIT-Kanpur have said that this device can be used in rural areas, where water quality testing facilities are limited at a low cost of ₹2.

While responding to The Indian Express in an email, Rohit Karnik, Head of Microfluidics and Nanofluidics Research at MIT, said, "This device is meant to address the lack of technologies to detect trace contaminants at the source with high sensitivity and confidence." He further added that this device would extract the contaminants in water and allow lightweight transport in a dry state.

In its current state, the device can calculate the hardness of water, as well as determine pollutants like cadmium, lead, chromium and manganese.

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Writer : Shashwat Swaroop Garg
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Editor : Snehadri Sarkar
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Creatives : Snehadri Sarkar

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