People generate a staggering amount of hair waste—salons in the U.S. and Canada toss out some 31.5 tons a day, and that figure is sevenfold higher in Europe. Here are some of the innovative ways people are recycling it
But hair, proponents say, possesses so many useful properties that it’s a shame to simply toss it out. Which is why people all around the world, like Hama, have been collecting hair and finding innovative ways to recycle it, from weaving it into mats for mopping up oil spills to liquidizing it for use as a fertilizer.
Hair is particularly well-suited for this, says MoT cofounder Lisa Gautier. “That’s because its rough sort of scaly outer layer lets oil cling to it.”, and it’s this fibrous protein that mediates hydrophobic interactions—in other words, “oily stuff sticking together,” says Glenn Johnson, a materials scientist with the U.S. Air Force, who works with MoT to help develop and test the mats.
MoT’s mats have been used in major oil spills, including the 2010 Deepwater Horizon and 2007 Cosco Busan incidents. Later this year, Hama’s team will deploy their mats in Niigata City, some four hours north of Tokyo, where more than 300 leaky wells remain in an abandoned oil field that once boasted the country’s largest oil production.
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