Top 50 Desalination Technology - Seed

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.

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.

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.

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.

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.

Uravu Labs utilizes renewable energy and atmospheric moisture harvesting technology to produce potable water. This approach addresses the global water scarcity issue by generating drinking water from the environment without depleting existing water resources.

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.

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.

Capture6 utilizes direct air capture technology powered by renewable energy to permanently remove CO₂ from the atmosphere while generating freshwater for local communities. The startup addresses the urgent need for carbon removal solutions to meet net-zero targets and combat climate change impacts.

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.

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.

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.

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.

Magrathea produces carbon-neutral magnesium metal from seawater, eliminating the need for environmentally damaging mining processes. This technology addresses the high carbon emissions associated with traditional structural metal production, offering a lightweight and circular alternative for industries reliant on steel and aluminum.

Banyu Carbon utilizes a light-driven photochemical process to extract CO2 from seawater, generating a pure stream of carbon for easily verified carbon credits. This approach addresses the urgent need for scalable carbon removal, as current technologies fall short by a factor of 10,000 in meeting the billions of tons of CO2 that must be removed annually to mitigate climate change.

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.

SeaO2 utilizes electrochemical Direct Ocean Capture technology to extract carbon dioxide from seawater using renewable electricity, addressing the excess atmospheric CO₂ that contributes to climate change and ocean acidification. The captured CO₂ can be permanently stored in geological formations or converted into valuable products, enabling large-scale carbon removal at the gigaton level.

AquaBattery develops long-duration energy storage systems that utilize a combination of table salt and water to store excess renewable energy, providing a safe and sustainable solution for commercial and industrial users. This technology addresses the variability of renewable energy sources by enabling the storage of electricity for extended periods, ensuring reliable power supply during periods of low generation.

The startup develops hydrogen panels that generate hydrogen gas by utilizing solar energy to split water molecules, capturing moisture from the air. This technology provides a sustainable energy source at a lower cost, complementing traditional solar panels and addressing the need for clean energy alternatives.

CREW Carbon utilizes enhanced weathering technology to introduce natural minerals into wastewater treatment processes, permanently capturing CO2 as stable bicarbonate. This method improves treatment efficiency and safety while reducing operational costs and enabling compliance with environmental regulations.

Limenet has developed a patented technology that converts atmospheric CO2 into calcium bicarbonate, which is then stored in seawater, effectively utilizing natural processes to enhance ocean alkalinity. This method addresses the rapid increase of CO2 emissions and ocean acidification, providing a stable and long-term carbon storage solution that lasts between 10,000 and 100,000 years.

QD-SOL utilizes proprietary nanoparticle photocatalysts to produce green hydrogen directly from sunlight and water, significantly reducing production time and eliminating the need for electricity. This technology addresses the high costs and environmental impact associated with traditional hydrogen production methods, offering a scalable and sustainable solution.

NovaMea develops electrochemical systems for the low-cost production of green hydrogen from water and electricity. This technology addresses the need for sustainable energy storage and conversion solutions in the transition to a cleaner energy economy.

HOPE Hydration provides advanced water refill stations equipped with Pentair Everpure carbon filtration and UV stabilization technology, designed to deliver chilled, purified water in high-traffic areas like airports and stadiums. By offering free water refills powered by advertising, the company reduces plastic waste and promotes sustainable hydration practices while delivering measurable brand engagement through real-time analytics.

PolyGone Systems offers a patented filtration media and deployment systems to passively capture and remove microplastics from water sources. Their technology targets wastewater treatment plants and riverine environments, achieving high removal efficiencies and enabling potential upcycling of recovered plastics.

ecoSPEARS utilizes NASA-developed technologies to permanently eliminate persistent contaminants, such as PFAS and PCBs, from soil, water, and sediment through non-toxic, modular remediation systems. The company addresses the widespread issue of forever chemicals, which traditional methods fail to eliminate and often produce harmful by-products.

Oxyle develops a technology that completely destroys per- and polyfluoroalkyl substances (PFAS) in wastewater, achieving over 99% reduction to below regulatory limits without generating toxic secondary waste. This solution provides industrial and environmental remediation companies with a permanent, energy-efficient method to eliminate hazardous micropollutants, significantly reducing operational costs and environmental impact.

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.

The startup develops IoT-based groundwater and soil remediation technology that utilizes real-time monitoring through a network of sensors to track groundwater flow direction and speed. This enables clients to implement timely measures to protect groundwater from contamination.

Hypersoniq offers sensors and software to monitor liquid properties in real-time, ensuring quality and compliance. Their solution helps businesses optimize processes, reduce waste, and minimize environmental impact through precise liquid analysis.

The startup develops hydrogen separation membranes that efficiently purify hydrogen while resisting heat, pressure, and acidity. These membranes can be integrated with carbon capture systems to lower operational costs and enhance eco-friendly gas separation processes.

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.

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.

Dryp offers an IoT-enabled wireless sensor platform that collects real-time data on water quality and quantity, integrating information from various sources such as rain gauges and weather radars. This technology enables urban water infrastructure managers to monitor and optimize water resource management, preventing inefficiencies and potential environmental damage.

CAPTOPLASTIC has developed a technology that captures microplastics from water bodies using specialized equipment designed for wastewater and drinking water treatment facilities. This solution addresses the critical issue of microplastic pollution, ensuring compliance with environmental regulations and safeguarding public health.

Develops enzymatic fuel cell technology that converts industrial wastewater into renewable electricity using 3D printing and advanced chemistry. This system reduces energy costs and carbon emissions by replacing up to 35% of a bottling site’s annual electricity consumption, offering a compact and adaptable solution for energy-intensive industries like Food & Beverage.

Creation-Space develops and tests space technologies that enhance sustainable human presence in deep space, utilizing advanced life support systems and resource utilization methods. These technologies provide practical solutions to climate change challenges by improving environmental monitoring and resource management on Earth.

The startup utilizes microbial cell factories to convert renewable feedstocks, such as industrial effluents and municipal sewage, into biohydrogen and valuable chemicals. This process addresses the dual challenges of wastewater management and the need for sustainable energy sources by providing clean energy and recovering green chemicals from polluted water.

Start Campus operates a sustainable data center ecosystem in Sines, Portugal, utilizing seawater cooling technology and 100% renewable energy to achieve an industry-leading Power Usage Effectiveness (PUE) of 1.1. The facility addresses the high energy consumption and environmental impact of traditional data centers by providing a scalable, efficient solution with 1.2 GW of secured IT capacity and global connectivity.

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.

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.

The startup operates a water utility that generates potable water by harnessing solar energy and atmospheric humidity through decentralized, autonomous machines. These digitally connected systems provide sustainable and cost-effective drinking water solutions for families, industries, and hotels, ensuring reliable access to clean water.

Element3 Resources utilizes patent-pending direct lithium extraction technology to recover lithium chloride from oil and gas wastewater, achieving over 85% lithium recovery. This process transforms one trillion gallons of annual wastewater into a domestic supply of lithium, sufficient to manufacture approximately 5 million electric vehicles each year.

Exposome develops chemisorptive, customizable molecular filters for air and water treatment, effectively recycling industrial pollutants into usable raw materials. The company addresses pollution and compliance challenges in sectors such as chemical manufacturing, pharmaceuticals, and textiles, significantly reducing harmful emissions and effluents.

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.

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.

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.