Coffee is a very popular drink in the United states, many households and resturants use so many coffe grounds. Some Scientist have found some innovative ways to put the coffee grounds to use instead of just thowing them away to a landfill. The scientists are saying that coffee can be used as a water filter. Through experimentation, scientist have observered that coffee powder can absorb many harsh chemicals such as lead and mercury ions. The have also tested this theory with putting the coffee grounds in a sponge like filter. They put the sponge in lead + mecury water for over 30 hours and found that the filter soaked up 67% of the lead ions.
This discovery is really cool to the environmental world because this opens up the doors for new discoveries to find out how to make water clean and drinkable by using reasuable sources like coffee grounds. https://www.sciencedaily.com/releases/2016/09/160921095417.htm
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December 2016
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