Top 50 Desalination Technology - Seed

Flocean provides modular subsea reverse‑osmosis desalination pods that operate at depths of 500 m, using natural hydrostatic pressure to produce up to 5,000 m³ of freshwater per day per pod with 40‑50% lower energy use than land‑based plants. The autonomous, zero‑chemical system reduces coastal land use by 95 % and eliminates marine impingement, offering scalable, climate‑positive water supply for municipalities, industry, and agriculture in water‑stressed regions.

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.

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.

Uravu Labs provides a modular, decentralized system that extracts water from ambient air using a proprietary liquid‑salt sorbent. The solution continuously absorbs humidity, thermally regenerates the sorbent, and delivers high‑purity drinking water at scales up to 4,000 liters per day, reducing reliance on traditional water utilities and enabling off‑grid deployment.

Boon develops AI-powered water purification and monitoring systems that provide sustainable access to clean drinking water while reducing reliance on single-use plastic bottles. Their technology addresses the critical issue of water scarcity and pollution, particularly in underserved regions, by implementing solar-powered solutions and circular hydration systems.

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.

Kumulus Water develops atmospheric water generation technology to produce fresh, mineralized drinking water directly from ambient humidity. This B2B solution provides businesses with an autonomous, sustainable source of high-quality water, reducing reliance on plastic bottles and lowering operational carbon footprints. Their systems are designed for various commercial applications, including offices, off-grid sites, and public spaces.

Wisewell develops a reverse osmosis water purification system that utilizes full spectrum filtration, including carbon, mineral, and UV filters, to remove contaminants such as lead, PFAS, and microplastics from tap water. This installation-free solution not only provides high-quality drinking water but also eliminates the need for approximately 3,700 single-use plastic bottles annually, promoting sustainability and cost savings for consumers.

Hydropleap utilizes electrocoagulation technology to remove suspended solids, metals, and oils from water without the use of chemicals. This process enhances water treatment efficiency while reducing the environmental impact associated with traditional chemical methods.

INDRA designs and manufactures water treatment systems that utilize advanced filtration and biological treatment processes to recycle domestic and industrial wastewater. This technology significantly reduces water waste and promotes sustainable water management by effectively minimizing environmental impact.

Aqualung Carbon Capture develops membrane technology that utilizes water to efficiently capture carbon emissions from heavy industrial processes, such as natural gas and cement production. Their solution aims to provide a cost-effective and environmentally friendly method for reducing greenhouse gas emissions, facilitating the transition to decarbonization.

Watercycle Technologies provides modular, end‑to‑end systems that extract and crystallise high‑value minerals such as lithium from brine, wastewater, and seawater while simultaneously producing drinking‑quality water. Their patented selective extraction and mineral enrichment technology achieves recovery rates above 95 % with low energy use, enabling mining operators, water‑treatment facilities, and battery recyclers to secure critical resources and meet environmental compliance.

Kran develops nanobubble technology to enhance water efficiency in industrial, agricultural, and aquaculture processes, addressing the critical need for sustainable water resource management. Their customized solutions optimize production cycles by integrating nanobubbles, resulting in reduced chemical use and improved yield and quality.

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.

OwO offers a subscription-based water purification service utilizing IoT-enabled reverse osmosis and alkaline ionization technology to deliver mineral-rich, TDS-balanced water directly to consumers. This model addresses the lack of access to safe drinking water by providing affordable, maintenance-free solutions with free relocation and replacement every five years.

LiqTech offers advanced silicon carbide (SiC) ceramic membrane filtration technology for purifying liquids and gases in demanding industrial applications. Their durable, chemically inert membranes handle harsh chemicals and high temperatures, reducing maintenance and operational costs in sectors like oil and gas, power generation, and chemical processing.

The startup manufactures specialized mobile environmental equipment for the water and wastewater industry, including combination units, recyclers, compact city units, and jet vacuums. Their versatile tankers provide efficient solutions for various tasks, enhancing operational effectiveness in managing water resources.

Retein utilizes patented molecular separation technology inspired by natural cell membranes to recover high-purity resources, including clean water and lithium, from various water sources. The company addresses the scarcity of sustainable materials and clean water by providing energy-efficient solutions for industries such as healthcare and battery production.

This startup manufactures ultra-purified water bottles using a seven-stage purification process that transforms water from any source into crisp-tasting, ionized electrolyte water with low sodium, low fluoride, and high magnesium content. By providing customized water solutions, the company addresses the demand for high-quality bottled water in the private labeling industry.

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.

NALA Membranes develops chlorine-resistant reverse osmosis membranes that prevent biofouling, significantly reducing maintenance costs and operational complexity in water treatment systems. By replacing traditional polyamide materials, NALA's technology lowers energy consumption and total ownership costs by up to 24%, enabling sustainable water reuse for drinking, industry, and agriculture.

Thalasso develops autonomous aquatic technology to sustainably harvest sargassum, a harmful algal bloom that threatens coastal ecosystems and economies. By transforming this seaweed into valuable chemical compounds through portable micro-biorefineries, Thalasso supports coastal communities and promotes economic resilience.

WAVR Technologies provides atmospheric water harvesting systems that passively extract water from the air. Their systems offer significantly higher yields at a lower cost and smaller footprint compared to existing solutions.

The startup provides a modular disinfection system that utilizes ozonation technology to eliminate bacteria, viruses, and toxic chemicals. Its active intelligence system monitors environmental changes, such as temperature, turbidity, and pH, to ensure optimal disinfection performance.

The startup develops wastewater treatment systems that utilize buoyancy manipulation to enhance membrane filtration efficiency, allowing for increased flow through a reduced surface area. This technology minimizes membrane fouling, leading to significant cost savings for clients by ensuring high-quality effluent production.

The startup develops digital water technology that utilizes low-power ultrasonic water metering and flexible printed leak detection sensors to enhance risk management for real estate owners. This platform increases property resilience and sustainability by minimizing potential catastrophic losses from water-related issues.

This climate technology company captures carbon dioxide and water from the atmosphere using molecular sieves, which are already integrated into established supply chains from other industries. By enabling clients to extract CO2 directly from the air, the company helps reduce their environmental impact and lower carbon footprints.

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.

AtmoCooling utilizes patented technology to replicate and enhance natural atmospheric cooling, creating microclimates that can lower temperatures by up to 15ºC across areas ranging from 10 to over 10,000 hectares. This approach addresses the underutilization of coastal deserts by enabling sustainable agriculture and clean energy production without the need for fresh water.

OffGridBox designs and engineers integrated systems that deliver affordable clean water and renewable energy solutions to remote and underserved communities. Their modular products combine solar power generation with water purification technologies like ultrafiltration for resilient off-grid operations. These solutions support households, institutional buildings, and humanitarian relief efforts by ensuring access to essential utilities.

SkyH2O utilizes Atmospheric Water Generation (AWG) technology to extract moisture from the air, producing up to 200,000 liters of potable water per day for commercial, industrial, and government applications. This system addresses water scarcity and contamination issues by providing a sustainable and localized source of clean water, enhancing water security and self-reliance.

The startup operates a water quality forecasting platform that utilizes data from public water sensors to provide localized water intelligence. This enables businesses, governments, and financial entities to assess water and climate risks, facilitating informed decision-making for improved water sustainability.

Waterise provides modular subsea reverse‑osmosis desalination units that operate on the seafloor, using ambient hydrostatic pressure to cut energy consumption by up to 50 % compared with land‑based plants. The unmanned, fully automated modules deliver up to 50,000 m³ of fresh water per day with minimal pre‑treatment, no coastal land footprint, and no brine discharge, offering municipal utilities, industrial users, and large agricultural operators a low‑cost, environmentally friendly water supply.

Active Membranes develops patented electro-active membrane technology to address fouling and scaling challenges in reverse osmosis desalination. This innovation simplifies process design, reduces pre-treatment needs, and significantly lowers capital and operating costs for freshwater recovery. The technology enhances efficiency and scalability, making desalination more economically and environmentally sustainable.

Exowave has developed a patented wave energy converter technology that harnesses ocean wave energy to produce fresh water and renewable electricity. This approach addresses the global scarcity of clean drinking water and the need for sustainable energy sources, enhancing energy production by 50% when combined with offshore wind systems.

Stockholm Water Technology utilizes patented electro-capacitive technology to remove charged contaminants from water without chemicals or membranes, making it effective for heavy metal purification and nutrient reduction. Their systems operate autonomously with remote monitoring, reducing maintenance costs while ensuring compliance with water quality standards for industries and municipalities.

The startup manufactures liquid filtration devices that utilize advanced filtration technology to remove fine particles from highly suspended solid-liquid streams in a single pass. Their solutions enable industries to efficiently process source water and recycle wastewater without the need for chemicals or additional remediation.

Thetis Environmental develops PermaFlux, an energy-efficient outside-in ultrafiltration membrane technology specifically designed for high-strength and high-solids wastewater treatment. This solution addresses the challenges of treating difficult anaerobic digestate while offering a compact design and durable construction.

AquaPoro develops ALMA-based technology to extract potable water directly from the atmosphere, even in arid climates. Their product line includes residential (Droplet), commercial (Stream), and municipal-scale (Ocean) atmospheric water generators. This technology provides decentralized access to clean drinking water independent of traditional municipal systems.

uvoji designs and manufactures LED UV-C disinfection systems for water and surfaces, effectively eliminating bacteria and viruses without the use of chemicals. Their technology provides safe drinking water and sanitized surfaces, addressing the critical need for hygiene in both residential and commercial settings.

Cloud Water Filters provides an under-sink reverse osmosis system that removes 99% of tap water contaminants, including PFAS and heavy metals. This NSF-certified system delivers purified, alkaline drinking water with added minerals for improved taste and quality. Users benefit from real-time water quality monitoring via a dedicated app and a faster flow rate compared to traditional tankless RO units.

SolarDew provides a solar‑powered, point‑of‑use water purification system that uses membrane distillation to turn saline or contaminated water into safe drinking water. The compact unit combines a solar collector with a selective membrane, delivering continuous, off‑grid operation with no moving parts and integrated real‑time water quality monitoring.

The startup provides a wastewater treatment system that integrates proprietary hardware and software to efficiently filter industrial wastewater while adhering to environmental health and safety standards. This technology enables businesses to implement tailored treatment solutions for various waste types, ensuring compliance and operational efficiency.

Sunvapor develops solar steam generation systems with integrated thermal energy storage for applications in thermal desalination and sustainable agriculture. Their technology addresses the need for efficient water and energy solutions in the water-energy-food nexus, enabling reduced reliance on fossil fuels and improved resource management.

The startup provides environmental services that enable businesses to reduce their water footprint through water reuse and sustainable resource management techniques. By implementing targeted strategies for wastewater treatment and resource optimization, clients can meet their Environmental, Social, and Governance (ESG) goals while improving operational efficiency.

FUST Lab designs and manufactures ultrasonic equipment for nano emulsification and dispersion, utilizing focused ultrasonic technology to create uniform materials without surfactants. Their solutions effectively treat toxic substances in water, addressing the need for sustainable and efficient processing in various industries.

The startup develops a water-based system that utilizes hydraulic shock and cavitation to disassemble oily sludge and remove oil contamination from particle surfaces. This technology provides the oil production and maritime industries with effective remediation services for managing oil and waste, reducing environmental pollution and emissions.

The startup has developed a nanostructured oleophilic and hydrophobic sponge that effectively absorbs oil and repels water, enabling the removal of pollutants and toxins from contaminated water sources. This recyclable sponge provides a practical solution for businesses and communities to mitigate environmental contamination from industrial runoff.

Elateq offers a water treatment system that employs advanced filtration and chemical processes to eliminate contaminants from various water sources. This technology ensures the delivery of safe and clean water for both residential and industrial applications.

The startup develops water bottles that utilize ultraviolet light technology to purify drinking water by eliminating single-celled organisms. This enables users to access safe, clean water throughout the day without the need for additional purification methods.