FIRMUS France
About
FIRMUS France, headquartered in Clermont l'Hérault in France's Languedoc-Roussillon region, brings over 30 years of expertise in membrane separation technologies for water and wastewater treatment. The company commands the full spectrum of membrane processes—microfiltration, ultrafiltration, nanofiltration, reverse osmosis, electrodialysis, membrane electrolysis, bipolar membrane electrodialysis, and dialysis—and supports clients from feasibility study through turnkey installation and ongoing process monitoring. Its signature achievement is the FGWRS (Firmus Grey Water Recycling System), originally developed with the European Space Agency for the Franco-Italian Concordia Antarctic Research Station, where it has recycled 75–85% of greywater (producing up to 2,800 liters per day for approximately 25 people) since 2005. The system has supplied drinking-quality reclaimed water to over 1,000 Concordia personnel and is now being adapted for broader deployment through a consortium with Optimal Solutions, SHERPA Engineering, and MRI. FIRMUS also contributes to ESA's MELiSSA program via the SaRY (Salinity Reduction of Yellow Waters) initiative with QinetiQ and HYDROHM, and participates in the ANR REMemBer project on electroactive membrane bioreactors for wastewater reclamation. The company holds the Solar Impulse Efficient Solution Label and partners with UNESCO-Simev Chair and the University of Johannesburg.
Key Products
Greywater recycling system achieving 80%+ reuse rate, originally developed with ESA for extreme environments including the Concordia Antarctic Research Station.
Membrane filtration systems for particle and bacteria removal from water streams using micro-scale pore membranes.
Membrane process for separating macromolecules and colloids from water using ultra-scale pore membranes.
Selective membrane technology for ion removal and water softening using nanoscale pore membranes.
High-pressure membrane desalination and purification systems, including a 2.5-3 m³/h double-pass unit operating at 40 bar for the chemical industry.
Electrically-driven membrane process for ion separation and concentration, used in salinity reduction and resource recovery applications.
Membrane-based electrochemical process for separation and synthesis in industrial water treatment.
Advanced membrane technology for producing acids and bases from salt solutions using bipolar membranes.
Membrane separation process using concentration gradient as the driving force for selective solute removal.
Specialized membrane-based treatment for landfill leachate, with operational deployment at the Viggianello site in Corsica since 2013.
Membrane-based process for recovering lithium in solution from battery recycling industry waste streams using reverse osmosis and electrodialysis.
ESA MELiSSA project initiative optimizing water resources by reducing salinity in waste streams for space and terrestrial applications.
Consulting and engineering services for evaluating and designing water treatment projects across industrial sectors.
Ongoing monitoring, optimization, and technical support services for existing water treatment installations.
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