ERIS (Evaporation Reduction Intelligent System)

Gallery ERIS (Evaporation Reduction Intelligent System) 1
Gallery ERIS (Evaporation Reduction Intelligent System) 1
February 2019
Headquarters 88100 Saint-Dié-des-Vosges, France

ERIS (Evaporation Reduction Intelligent System) - Bio-inspired floating screen to prevent evaporation of volatile liquids

ERIS is suitable to cover tanks, bassins and reservoirs containing fuels, hydrocarbons, aromatics, solvents and other chemicals. It is ideal to prevent emissions from VOCs (volatile organic compounds).

The technology uses biomimetic of duckweeds that cover water ponds. By covering the surface of the ponds by these plants' leaves, the duckweeds suppress the liquid-air interface area, avoiding the pond's dryness in summer, then keeping the duckweeds alive. Inspired by this natural phenomenon, ERIS is a floating roof made of independent floats. These floats collaborate with each other, leading to a continuous layer on top of liquids to prevent evaporation. Specific materials have been developed to be compliant with the use in an explosive environment (Atex certification) and with long contact with agressive fluids such as bases, acids, aromatics, or fuels. With ERIS, no more on-site assembly is required.

Key features

  • Reduces workers' exposure to toxic vapors surrounding storage facility.
  • Suitable for all shapes and sizes.


  • A return-on-investment ranging from 6-18 months.

Company Profile

Maturity Stage

  • Medium and large scale commercialization
  • Small scale commercialization
  • Initial market commercialization
  • Prototype testing in the real world
  • Prototype testing 1:1 in the lab

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