Researchers Seoul National University, Republic of Korea, have developed a new technology to refine spilled oil on sea. A team led by Professor Kim Yong-hyeop has succeeded in developing a high-efficient technology by using graphenes, touted as a next-generation material, to recover spilled oil in almost 100 percent purity.
The research team developed a graphene-structure equipment, which absorb only oil from polluted waters. This device can recover oil by using a capillary tube without a separate engine power, and can absorb 20,000 liters of oil per hour with a 1 square meter size.
The previous oil fence can absorb oil up to 80-90 percent of purity meaning other substances were also recovered. But the newly developed equipment by the Korean research team can absorb oil in 99.9 percent purity so that oil can be reused without being refined. The research results have been published in science journal Scientific Reports.
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