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EFINOR's Double Flow technology

A solution to collect any marine floating waste, both solid and liquid

May 2021

EFINOR's Double Flow technology

A solution to collect any marine floating waste, both solid and liquid

  • World Alliance Member
  • Featured Solution
  • Labeled Solution
Label Date May 21, 2021
From France
Maturity stage TRL 9 / CRI 5-6 - Market competition driving widespread deployment &/"Bankable" grade asset class

This solution brings to the market a unique and innovative patented technology to collect all types of floating waste. These ships are made of a catamaran hull in which the bottom is closed providing a channel within the boat. There is a turbine creating a suction flow pulling large amounts of polluted waters inside. Then a filtering mesh stops all solid waste and lifts it up to discharge it on deck. If there were oil spilled, the hydrocarbons being lighter than water are floating, they will go past the filtering mesh and will be pulled inside a separation and storage tank for oil. Only clean water will be flushed out of the vessel. The Double Flow technology allows the simultaneous collecting of both solid and liquid floating waste.

The Environmental Benefits

  • Double Flow technology allows the simultaneous collecting of both solid (plastics, cans, algae, driftwood, etc.) and liquid (crude oil, fuel oil, lubrication oil, chemicals, etc.) floating waste
  • Quick response: Acting as autonomous cleaning systems, our ships recover hydrocarbons with a working speed up to 4 knots, filling their own storage capacities. All the vessels take less than 3 minutes to go from navigation mode to clean-up mode, they have

The Financial Benefits

  • Low OPEX: All hydraulic controls actuating the various cleanup functions are controlled from the wheelhouse. Very few personnel needed to operate.
  • Multipurpose vessels: allowing tackling various services with only one ship

Activity Region

  • Headquarters
  • Activity

Company Profile

Efinor Sea Cleaner

EFINOR group is a combination of 3 business units: Engineering – Manufacturing – and Support, all involved in metal working and design.

Headquarters ZA de, Rue de Kerpalud, 22500 Paimpol, France
Type Company
View company profile Solution website

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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator Efinor Sea Cleaner has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.