The Oleo Sponge is made by altering the same type of foam that is commonly used in seat cushions and mattresses to make it 'oleophilic,' which means it can draw in oil without also soaking up water.
More than a decade after the biggest oil spill in U.S. history, and as the Coast Guard works to, experts say surprisingly little has changed in how oil spills are cleaned up.
Image: Environmental response crews clean up oil that flowed near the Talbert marsh and Santa Ana River mouth, creating a sheen on the water after an oil spill in the Pacific Ocean in Huntington Beach, Calif., on Oct. 4, 2021. With both the Oleo Sponge and the OHM sponge, the recovered oil can be used again, which also means less overall waste after spills.
He said it's because resources are typically devoted to studying the spill sites, as well as the effect of leaked oil on the environment and plants and animals in the region, while funding for developing new cleanup tools is usually limited. Local officials can also spray oil slicks with dispersants, which break oil into smaller droplets that mix more easily with water. The idea is to remove the oil through biodegradation, in which bacteria and other microorganisms naturally feed on the oil and essentially remove it from the environment.
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