Top 50 Desalination Technology

The startup utilizes reverse osmosis and solar energy to produce desalinated water, providing a sustainable alternative to traditional freshwater sources. This technology addresses the scarcity of potable water while preserving natural ecosystems for future generations.

Ocean Oasis utilizes wave energy to power offshore desalination systems, producing fresh water with zero emissions. This technology provides a sustainable solution for coastal communities facing freshwater scarcity, benefiting both people and industries in water-stressed regions.

This startup develops low-cost handheld seawater desalination devices for humanitarian and marine applications, providing a reliable source of potable water in areas facing freshwater scarcity. Additionally, the company offers grid-scale energy storage and clean electricity solutions, enhancing energy accessibility while promoting sustainability.

OceanWell develops modular subsea reverse osmosis systems that utilize natural ocean pressure to produce fresh water efficiently, reducing energy consumption by 40% compared to traditional desalination methods. The technology addresses global water scarcity while preserving marine ecosystems and avoiding the environmental impacts associated with coastal desalination plants.

Modulus Water provides containerized, solar‑powered desalination units that produce safe drinking water off‑grid using AI‑driven control to match water output with real‑time solar availability. The system stores water in tanks, minimizing battery needs and enabling rapid plug‑and‑play deployment for emergency responders, remote communities, and off‑grid agricultural or defense operations.

Brilliant Planet builds utility‑scale desalination plants that use concentrated solar power to generate high‑pressure steam for reverse osmosis, eliminating the need for grid electricity. The modular design with molten‑salt thermal storage enables continuous, low‑energy water production (<3 kWh/m³) for agriculture, industry, and municipalities in arid regions, monitored via a cloud‑based SCADA platform.

This startup develops a modular desalination system that utilizes subsea Seawater Reverse Osmosis (SWRO) technology to produce affordable freshwater from deep-sea sources. By providing tailored deep-sea drinking water solutions, the company addresses the critical need for reliable freshwater access for individuals, farmers, and industries.

ChloBis Water develops a desalination battery specifically designed for the treatment of wastewater, utilizing electrochemical processes to remove salts and contaminants. This technology addresses the critical issue of water scarcity by enabling the recycling of wastewater into usable water, thereby reducing reliance on freshwater sources.

Aquafortus offers the ABX™ non‑thermal desalination system, which uses a patented solvent‑exchange process followed by low‑pressure membrane filtration to extract clean water from high‑salinity brine. Operating at ambient temperature, the platform reduces energy use by about 60 % and operating costs by roughly 50 % compared with conventional thermal desalination, while its modular skid‑mounted design enables scalable integration for oil‑&‑gas, mining, power generation, and semiconductor facilities.

This startup provides subsea desalination services using seawater reverse osmosis technology to deliver affordable and sustainable fresh water to underserved communities. By utilizing efficient methods for extracting potable water from seawater, the company addresses the critical shortage of clean water in various regions.

Solar Water Solutions develops solar-powered desalination systems that utilize patented reverse osmosis technology to produce up to 500 m³ of purified water per day. These self-contained units provide sustainable drinking water for remote communities and regions facing water scarcity without relying on traditional energy sources.

Capture6 provides a modular system that integrates desalination with atmospheric CO₂ capture, turning brine waste into fresh water while permanently storing carbon. The closed-loop unit can be retrofitted to existing water or industrial facilities, eliminating brine disposal costs and creating revenue from water sales and carbon credits.

MediSun Energy utilizes Reverse Electrodialysis (RED) technology to convert saltwater into electricity, addressing the global water crisis and high energy consumption associated with traditional desalination methods. This process significantly reduces energy use by 30% and eliminates brine production, offering a sustainable solution for clean energy generation.

WE3 Lab develops modular, electrified desalination units (A‑PRIME) that operate with variable renewable power and include automated feed‑forward control and high‑precision membranes. It also provides open‑source Python tools for physics‑based simulation, techno‑economic and carbon‑intensity analysis, and decision‑support dashboards that help utilities, industrial users, and policymakers design and operate low‑carbon water‑energy systems.

Bond Energy commercializes the extraction of elemental resources from seawater to enhance the economic viability of desalination processes. By utilizing advanced resource capture techniques, the company addresses the growing demand for sustainable freshwater solutions in water-scarce regions.

Kendel provides a Brine Recovery System that integrates with existing Seawater Reverse Osmosis plants to transform waste brine into valuable minerals and chemicals. This system enhances water recovery, creates new revenue streams, and supports sustainable operations by repurposing brine.

Capture6 provides a modular system that extracts freshwater from saline or waste streams while simultaneously capturing and storing CO₂, turning brine disposal costs into revenue-generating byproducts such as green chemicals. The technology is deployed in partnership with industrial operators, governments, and communities to improve water security and reduce carbon footprints, delivering operational cost savings and multiple revenue streams from the produced freshwater and chemical outputs. Revenue is generated through sales of the freshwater, carbon credits, and the sale or licensing of the green chemical byproducts.

Ebb develops electrochemical water technology that processes desalination brine to produce additional freshwater and valuable industrial products. This process also facilitates permanent atmospheric carbon dioxide removal by returning alkaline seawater to the ocean. The modular systems integrate with existing desalination infrastructure to enhance water security and support decarbonization efforts.

Evove utilizes nanotechnology and additive manufacturing to create precision membrane technology that enhances water filtration efficiency by eliminating random pore sizes and reducing fouling. This technology addresses the challenges of high energy consumption and space requirements in conventional membrane systems, enabling more sustainable water recycling and resource recovery.

NEXT-TFX develops ultra-high-pressure reverse osmosis (UHPRO) membranes designed for extreme operating conditions. This patented technology enables efficient clean water production and simultaneous recovery of valuable minerals from brine streams. The membranes offer superior durability and lower energy consumption compared to traditional reverse osmosis systems.

ACWA Power develops and operates a diverse portfolio of power generation facilities, focusing on renewable energy sources such as solar and wind. The company addresses the need for sustainable energy solutions by providing reliable electricity while reducing carbon emissions in the power sector.

Atom Industries is developing the Long-lasting Integrable Sustainable Energy (L.I.S.E) generator, a portable nuclear energy system that provides 20 MW of process heat at temperatures up to 500 °C, with additional electricity generation capabilities. This technology addresses the need for zero-carbon energy solutions in various sectors, including industrial processes, water desalination, and electric vehicle charging, by offering a modular and easily deployable energy source.

Generate provides a full‑stack platform that designs, finances, builds, owns, and operates utility‑grade energy, water, and waste assets such as battery storage, distributed solar, EV charging, desalination, and organic waste treatment. Customers—including municipalities, corporate campuses, and enterprises—access these resources via off‑balance‑sheet PPAs, leases, or service contracts, receiving fixed‑price service, real‑time IoT monitoring, AI‑driven performance analytics, and integrated ESG reporting without upfront capital or technical risk.

CyFract develops a patented Smart Tube utilizing cyclone technology for efficient particle separation from water. This low-maintenance system effectively removes suspended particles, including microplastics, across various densities without requiring extensive energy input. The technology supports applications in wastewater treatment, desalination, mining, and agriculture to improve water quality and operational efficiency.

Pani Energy develops a data-driven analytics platform that consolidates sensor data for real-time monitoring and predictive optimization of water treatment plants. This technology enhances operational efficiency, reduces downtime, and extends the lifespan of treatment membranes by providing actionable insights and alerts based on real-time performance metrics.

AiVacua utilizes a patented continuous vacuum distillation process to purify water without membranes or filters, making it energy efficient and scalable. This technology addresses the issue of contaminated water across various industries, offering significant cost savings by reducing water expenses by billions annually.

GIODELL captures flare gas from oil and gas wells and uses it to power on‑site Jenbacher reciprocating generators that supply electricity to immersion‑cooled data‑center modules for Bitcoin mining and high‑performance computing. The vertically integrated system delivers near‑zero‑cost, 99 % uptime power, provides grid‑load reduction services, and incorporates on‑site brackish‑water desalination for cooling.

AMEA Power develops and operates renewable energy projects, focusing on solar and wind technologies to generate sustainable electricity. The company provides reliable power solutions to meet the growing demand for clean energy while reducing reliance on fossil fuels.

Marine Dolphin provides a deep‑sea electrolysis platform that splits seawater into hydrogen and oxygen at ~3,000 m depth, using ambient hydrostatic pressure to compress hydrogen to 300 bar without external compressors. The system incorporates a salt‑tolerant anion‑exchange membrane electrolyzer and an oxygen‑energy recovery unit, enabling low‑energy, offshore green hydrogen production integrated with renewable power sources for oil‑gas, wind and maritime operators.

Watereze provides a chemical-free water treatment system that uses electromagnetic field (EMF) technology to reduce agricultural water salinity. By applying specific EMF frequencies, the system alters salt behavior, improving soil structure, crop yields, and water penetration without chemical amendments.

This company produces drinking water by filtering seawater using only solar and wind energy. They offer still and sparkling water in endlessly recyclable aluminum cans and reusable glass bottles. The resulting product is mineral-rich, pure drinking water presented as a sustainable alternative to conventional sources.

The startup develops membrane-based systems for extracting valuable minerals and producing clean water from sub-surface brines, industrial wastewater, and end-of-life batteries. Their technology reduces the environmental impact of mineral extraction while enhancing the efficiency and cost-effectiveness of water treatment processes.

Applied Atomics designs, builds, deploys, and operates co-located nuclear power plants for large industrial consumers requiring 100 MWe to 1,000 MWe. The company utilizes proven light water reactor architectures to deliver affordable, always-on, carbon-free power to energy-intensive sectors like steel and desalination. By managing the entire power plant development, they ensure faster market deployment and reliable energy supply for industrial scale power needs.

SWEETCH Energy is developing technology for salinity gradient power harvesting, which generates renewable energy from the difference in salt concentration between seawater and freshwater. This approach addresses the need for sustainable energy sources by providing a continuous and reliable power supply without the environmental impact of traditional energy generation methods.

Aquaria manufactures atmospheric water generators, called Hydropacks, that extract potable water directly from ambient air humidity. These systems provide scalable, decentralized water security for residential and commercial applications, producing thousands of gallons monthly. The technology delivers high-quality water independent of traditional utility infrastructure or groundwater sources.

LayerPure provides ultra‑thin, anti‑fouling RO membranes that reach steady‑state performance in under 30 minutes, deliver over 93% boron rejection in a single pass, and reduce cleaning cycles by up to 90%. The low‑resistance, smooth‑surface design lowers operational downtime and maintenance costs for industrial water‑treatment, desalination, and high‑purity manufacturing applications.

The startup develops wave-powered desalination systems that utilize wave energy to drive water through filters and reverse osmosis membranes, producing freshwater without electricity or land use. This technology provides a sustainable drinking water source for private islands and coastal communities, ensuring low maintenance and significant cost savings.

KMX Technologies utilizes membrane distillation technology to separate pure water from waste streams while recovering valuable critical minerals and lithium. This process enhances lithium recovery rates by 500% compared to conventional methods, addressing the growing demand for sustainable resource extraction in water treatment and mineral recovery.

AWID is a platform that develops and finances climate-smart water projects, including wastewater treatment and water supply infrastructures, to enhance water security across Africa. By implementing scalable solutions, AWID addresses the critical challenges of inadequate water access and management in the region.

Olokun Minerals utilizes a multi-mineral continuous extraction process to sustainably source minerals from brine waste streams, minimizing environmental impact and waste generation. The company provides essential mineral-based products for public infrastructure maintenance and renewable energy applications, while also diverting harmful drainage water from ocean ecosystems.

The startup develops an air chiller that extracts moisture from the atmosphere and purifies it into drinking water using advanced filtration systems. This technology provides access to potable water in regions where traditional water sources are scarce.

The startup develops a water treatment technology that employs forward osmosis and zero liquid discharge methods to efficiently treat wastewater. This technology enables industrial, municipal, and humanitarian clients to recover significant volumes of clean water for reuse while minimizing energy consumption.

Rehydrate develops systems to efficiently treat or desalinate water resources by utilizing abundant, underutilized energy sources like waste heat. This approach addresses the growing global challenge of water scarcity by improving the efficiency of the water-energy nexus. The technology focuses on recovering low and ultra-low grade waste heat for water purification processes.

Salinity Solutions has developed a patented batch reverse osmosis technology that operates with over 50% energy efficiency compared to traditional systems, achieving up to 98% water recovery while generating 80% less waste. This technology addresses the urgent need for sustainable water treatment solutions in industries facing high energy costs and increasing water scarcity.

Undesert utilizes SWAP purification technology to transform contaminated wastewater, including produced water from oil and gas extraction, into purified water and dry salt, achieving four times the efficiency of reverse osmosis. This process addresses the critical shortage of clean water by providing up to one billion gallons of usable water daily while simultaneously combating desertification through land rehabilitation.

The startup develops molten salt reactor technology to provide a clean energy source while producing medical isotopes for critical healthcare applications. This technology addresses the need for sustainable energy solutions and reliable medical isotope supply in a world increasingly focused on environmental responsibility.

Bardo Climate manufactures high-performance bipolar membranes (BPMs) featuring a 3D junction design for enhanced durability and current density. This technology enables efficient ion separation and pH regulation across applications like water treatment, lithium processing, and acid/base production. The advanced BPMs also support energy-efficient hydrogen electrolysis and electrodialytic carbon capture systems.

OsmoPure Technologies develops energy-efficient, ultra-selective membrane systems for ultrapure water production. Our proprietary technology removes dissolved salts and pollutants with significantly reduced energy consumption, offering a drop-in replacement for conventional purification systems.

Lumare Energi builds small-scale Ocean Thermal Energy Conversion (OTEC) plants that generate zero-emission power, fresh water, and sea salt in rural Indonesia. By utilizing the temperature difference between warm surface seawater and cold deep seawater, their OTEC technology provides a 24/7 renewable energy source with minimal environmental impact.

LAT Water develops the LAT Unit, a patented wastewater treatment technology that operates at low temperatures and ambient pressure to recover over 95% of clean water from complex water streams. This system reduces energy consumption and operational costs while minimizing environmental pollution, addressing the challenges of traditional wastewater management.