Hiroshima University
Floatable beads made from chitosan and cellulose acetate and enhanced with bentonite were engineered to effectively clean oil from water. The beads showed good oil adsorption capacity while remaining easy to collect from the water surface
Oil spills, the accidental and uncontrolled release of crude oil into the ocean, are remediated by removing oil from the environment. Typical approaches include mechanical recovery, a dangerous, labor-intensive and time-consuming process; in situ burning, which cause severe ecological disruption; bioremediation, an environmentally friendly yet slow process; chemical dispersants, which also cause severe ecological disruption; and sorbent-based approaches, which are promising but currently inadequate.
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