This beer-making waste may offer a new stream for cleaner water
The research offers yet another way the brewery industry might repurpose its myriad by-products
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Scientists still haven’t cracked how to turn water into wine—but they might have figured out how to turn beer into clean water. From the literal ashes of breweries’ by-products, researchers made a charcoal-like substance that clings to bacteria, and they are using it to test a new way of filtering water.
In a recent study, scientists heated up a common waste product from beer making called spent malt rootlets, which are little sprouts that grow from barley during the malting process, to produce biochar , a porous material created from burned organic matter. They found that when they mixed this…
