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OSC+ collects top- and mid-level oil spills in sea physically. Powered by wind and sun, the pump generates bubbles from seafloor that carry mid-level spill to surface. The top-level spills are collected by water level difference generated by bubbling. The internal spinner performs the first oil-water separation. The oil is led to oil tank for second separation through nano-carbon membrane. The NaOH in the separated seawater reacts with graphene to remove the carcinogenic and water-soluble PAH before the water is discharged to sea. Finally, the oil collected in the oil tank is recycled.

1. Top and mid-level spilled oil that is difficult to remove in an oil spill event. Oil spills are frequent in recent years and the spilled oil contaminates sea birds and creatures. The spilled oil spreads at top, mid and bottom levels and the bottom- and mid-level spills are hard to remove. The mid-level spills emulsify over time and become bottom spills harder to remove. 2. The carcinogenic PAH in the oil is water-soluble and harmful to ecology. Apart from marine contamination, the spilled oil contains carcinogenic PAH. This water-soluble substance finds its way into food chain, causes impacts to marine creature and finally enter our bodies to cause diseases.


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  • Name:
    Yu-hsing Wu
  • Type of entry:
    Team members:
    Chia-Jun Hung, Wei-Ting Wang, Yu-Hsing Wu, Kai-Chu Li
  • Profession:
  • Yu-hsing is inspired by:
    Want to discover more designs that improve society.
  • Patent status: