DNV Validates Efficiency of Flocean's Desalination Tech – Marine Technology News

March 21, 2025
Flocean's desalination approach can achieve 30-50% energy savings compared to conventional systems once site-specific engineering is completed. Credit: Flocean
Leading global certification body DNV has validated that Flocean's desalination approach can achieve 30-50% energy savings compared to conventional systems once site-specific engineering is completed.
Conventional desalination capacity is set to double by 2032, addressing critical water shortages while risking a massive surge in carbon emissions.
Current plants already generate over 400 million tons of CO₂ annually—a figure that could double as tens of billion in new projects come online within the next 10 years.
Energy is the critical cost driver in desalination, accounting for one-third to over half of total operational expenses. In Cyprus, where desalination supplies most freshwater, the process generates 2% of the country's total greenhouse gas emissions and consumes 5% of its power.
To verify these results in real-world conditions, the Flocean Zero project launched in November 2024. Initial data analysis confirmed that the deep ocean environment provides optimal conditions for high-efficiency desalination while dramatically reducing energy requirements.
Efficiency gains are achieved through two advantages, natural pressure utilization and superior water quality.
By placing reverse osmosis systems at 400-600 meters depth, Flocean harnesses natural hydrostatic pressure to drive filtration without energy-intensive pumping systems.
Deep ocean water contains significantly less life than surface water, dramatically reducing pre-treatment requirements and virtually eliminating biofouling—a persistent efficiency drain in conventional plants.
With freshwater demand projected to exceed supply by 40% by 2030, countries worldwide need solutions that address water security without compromising climate commitments.
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