Ocean filter drone / Drone

Ocean filter drone can remove waste and oil, green alga. By using the built-in electrode at the center, when electrolysis occurs in the water by the anode and cathode electrodes, hydroxide metal is formed. That carries a positive charge, aggregate the green algas of the negative charge. The lower propeller make the oxygen drops, that can float the green alga on the sea, and filter suck the floated green alga. The drone can separate the filter part and the wing part, it's easy to replace filter. drone has a red light when need charging and a blue light during operation, a yellow signal can use to act as a buoy at night.