5
Oct
2016

Water-purifying tech brings new meaning to “coffee foam”

There's now yet another use for used coffee grounds like these

Scientists already know that powder made from spent coffee grounds can be used to rid water of harmful heavy metal ions … that's all well and good, but the powder then needs to be filtered out of the water. A group of Italian scientists has developed a step-saving alternative, in the form of a filter made of coffee-impregnated foam.

.. Continue Reading Water-purifying tech brings new meaning to "coffee foam"

Category: Environment

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