Here is how it works. Fast-moving ocean currents drag floating plastic particles as deep as 30 meters under the water’s surface. Ironically, plastic is lighter than water and would float on the surface – if the ocean currents were slower.
We use the fact that plastic particles have a lower density than water. The expanding form of the PACIFIC GARBAGE SCREENING platform, along with a system of canals, located underwater, calm the ocean currents. That allows the plastic particles to float up to the surface with their natural draft.
Once on the surface, the plastic can easily be collected and skimmed. Nets or other filter systems, which could endanger ocean life, are not necessary.