The DrinkPure Filter ​Removes ​Bacteria, ​Viruses and ​Plastic at the ​Tap

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The DrinkPure Filter ​Removes ​Bacteria, ​Viruses and ​Plastic at the ​Tap

DrinkPure costs just $24, can be screwed onto a faucet, and can remove pathogens thanks to its flat sheet membrane.

The product called DrinkPure is the brainchild of a team of scientists from the Swiss Federal Institute of Technology, ETH Zurich, who have developed a high-tech membrane that filters water and removes pathogens, the bacteria, viruses and other microorganisms that can cause disease.

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Unlike other filters that can reduce the levels of certain contaminants, the membrane can filter out plastic and other damaging particles and neutralize unpleasant odors, such as chlorine from water.

“We were impressed by how many people were rushing to the supermarket to buy and cart home bottled water,” said Dr. Michael Loepfe, chief technology officer of the startup Novamem Ltd., talking about TV images of people in the Caribbean and Florida preparing for the hurricanes.

“It would be much more economical to filter the water at home.”

The company’s DrinkPure Home product offers exactly that possibility: a product that costs about $24 and can be screwed on to a faucet. A single filter cartridge lasts for up to 130 gallons of water and is cheap to replace. And it’s environmentally friendly. Novamem estimates that it could reduce plastic bottle waste by more than 99%.

The DrinkPure filter is made using a polymer flat sheet membrane, that has a very high asymmetric structure, meaning it has a number of thin layers with different structures and permeabilities. This structure allows water to pass readily through the membrane, while biological contaminants such as bacteria, are retained.

The membrane is combined with other filter medias (i.e. sediment pre-filter and activated carbon, that allow it to not only filter bacteria but also other contaminants that render tap water undrinkable without losing its high flux rate.

Read full article: Market Watch

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