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© Pacific Garbage Screening e.V.

HOW CAN WE GET THE PLASTIC WASTE OUT OF OUR OCEANS?

WHAT IS PACIFIC-GARBAGE-SCREENING?

PGS is the solution for achieving clean oceans. It is based on a revolutionary idea: a floating platform with a distinctive design that makes it possible to filter plastic particles out of the water. The technique functions without nets, but with the help of passive sedimentation. Marine life is not endangered with this method.

PGS AT A GLANCE:
  • Ridding the oceans of plastic

  • Marine life is not endangered

  • Algae biomass can be used to produce biodegradable plastic

  • The platform is self-sufficient

  • Platform can be used as a research facility

HOW DOES THE PLATFORM'S PRINCIPLE WORK?

Calming the currents

Fast-moving ocean currents drag floating plastic particles as deep as 30 metres beneath the water’s surface, even though plastic is lighter than water and should (in slower currents) float on the surface.

Natural draft

Compared to water, plastic has a lower density. This is the characteristic that was put to use in the development of this platform. The bulbous shape of PGS and its underwater canals calm the water currents, allowing the plastic to rise to the surface using its own natural draft, where it can be easily collected. Nets or other filtration systems that put marine life at risk are no longer required.

WHAT CAN WE DO WITH THE FILTERED PLASTIC?

Utilization and energy generation

The collected plastic can no longer be recycled, as its molecular structure is damaged by salt water. One innovative alternative is gasification, which produces a synthetic gas consisting mainly of hydrogen and carbon dioxide. The hydrogen can be used as an energy source for fuel cells, thereby providing an ecological and environmental-friendly means of powering the facility.

CO2-neutrality und algae bioplastic

The carbon dioxide generated by gasification can be supplied as a staple nutrient to algae cultures, so that it is not released into the atmosphere. The algae can be cultivated on the water surface of the Pacific Garbage Screening platform. Its biomass can then be used to produce an environmentally compatible and biodegradable bioplastic.