Top 50 Desalination Technology - Pre Seed

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.

Spacedrip develops wastewater treatment robots that utilize advanced filtration and purification technologies to convert contaminated water into clean, reusable water. This solution addresses the critical issue of water scarcity by providing an efficient method for treating and recycling wastewater in various industries.

ION MEMBRANES develops and manufactures ion exchange membranes and separators for the green energy industry. These solutions facilitate ionic range separation necessary for applications like batteries, electrolyzers, fuel cells, and chlor-alkali plants. The company's technology supports various electrochemical processes central to the energy transition and sustainable hydrogen economy.

This startup manufactures a water filter that utilizes natural microfiltration cartridges to remove pollutants from tap water. By offering a subscription model for cartridge replacement, the company provides a sustainable alternative to single-use plastic bottles.

Adsorbi develops a cellulose-based biomaterial designed for efficient adsorption of pollutants from water sources. This technology provides a sustainable solution for water purification, reducing reliance on traditional chemical treatments.

Viridis develops decentralized water treatment technologies focused on eliminating organic pollutants from water sources. The company utilizes proprietary electro-oxidation technology to target and remove complex contaminants like dyes, forever chemicals, and microplastics from industrial wastewater. This process provides effective remediation for sectors heavily impacted by chemical effluent, such as the textile industry.

Operates underwater data centers that reduce freshwater consumption by eliminating traditional cooling systems, saving over 10 billion gallons annually. These facilities offer up to 25% lower operating costs, improved hardware reliability, and edge-compute-level latency with GPU rentals starting at $2.10 per hour.

Meyahh is a platform that connects water stakeholders with tailored suppliers and resources, facilitating efficient procurement and implementation of water treatment solutions. By streamlining the sourcing process and enabling real-time monitoring, Meyahh reduces project costs by an average of 21% while enhancing the sustainability of water supply chains.

Sunchem provides patented metal recovery technology that extracts up to 99% of critical and precious metals from waste streams, concentrates, and ore. The process operates under low‑energy, mild‑chemical conditions, offering a cost‑effective and selective alternative to smelting or cyanide leaching. It serves e‑waste recyclers, device manufacturers, solar panel producers, and mining operations seeking sustainable metal sourcing.

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.

Allegiant H2O connects global investors with water infrastructure projects through a dedicated platform that facilitates investment opportunities in the water sector. This approach addresses the funding gap in water-related initiatives, promoting sustainable development and resource management worldwide.

OptySun develops portable water purification and disinfection systems that utilize advanced filtration technology to provide safe drinking water on-site. The company addresses the critical issue of water contamination, ensuring access to clean water for individuals and communities.

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.

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.

NanobOx utilizes patented low-voltage electric field technology to generate nanobubbles from dissolved gases in water, significantly lowering energy costs for water aeration. This approach enhances the efficiency of water treatment processes in agriculture and aquaculture, resulting in reduced chemical usage and improved water quality.

The startup provides sanitation and hygiene technologies that deliver clean water solutions, particularly in disaster-affected regions. By utilizing portable water purification systems and sanitation infrastructure, the company enables individuals to access essential hygiene resources, promoting health and dignity in vulnerable communities.

The startup develops smart water purification systems that utilize atmospheric water generation technology to extract moisture from the air, producing clean water with minimal maintenance and low energy consumption. This solution provides a reliable source of potable water in areas lacking adequate infrastructure, offering a cost-effective alternative for consumers.

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.

Alxedo develops smart water purification and carbonation devices that utilize advanced filtration and carbonation technology to provide high-quality drinking water at home. The startup addresses the issue of plastic waste and water quality by offering sustainable alternatives to bottled water, enhancing both health and environmental outcomes.

Xatoms develops novel materials for water purification using quantum chemistry and artificial intelligence. The company commercializes highly efficient, visible light-activated photocatalysts designed to remove difficult contaminants from polluted water. These advanced coatings are applicable across various water treatment systems, including camping filters and water kiosks.

Develops a small modular nuclear reactor, the FLEX reactor, that uses standard materials and no moving parts to generate high-temperature heat for dispatchable electricity, hydrogen production, and industrial processes. This system provides a reliable, low-cost alternative to fossil fuels, supporting decarbonization efforts by complementing renewable energy sources when they are unavailable.

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.

Solarflux develops the FOCUS, a solar parabolic dish concentrator that utilizes dual-axis tracking and an innovative optical design to maximize thermal energy capture, achieving high conversion efficiency without the losses associated with electricity generation. This technology provides a cost-effective solution for diverse applications, including industrial process heat and water purification, addressing the significant demand for clean thermal energy in global energy consumption.

Phuc Labs utilizes patent-pending Vision Valve technology, which employs machine vision and real-time data to digitally separate and recover materials from fluid streams without traditional filtration methods. This approach addresses the challenges of material recovery and pollution in water management, leading to higher yields and reduced energy consumption.

Permalution develops fog harvesting technology that utilizes biomimicry to collect water from atmospheric fog, providing a sustainable water source without depleting existing resources. This solution addresses water scarcity in regions affected by climate change by enabling the collection of 150-400 liters of water per day from a single fog collector, sufficient for a family of four.

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.

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.

Aquagga employs a proprietary technology to completely destroy PFAS and other environmental contaminants, significantly reducing energy consumption compared to traditional methods. This technology addresses the persistent issue of "forever chemicals" in industrial wastewater and municipal sites, ensuring cleaner water and safer ecosystems.

The startup employs a novel valuation model that quantifies water resources based on availability, quality, and demand metrics. This approach provides stakeholders with accurate financial assessments, facilitating better investment decisions and resource management in water-scarce regions.

AtmoSpark utilizes atmospheric water generation technology to extract moisture from the air, converting it into clean drinking water. This process addresses the scarcity of potable water in arid regions by providing a sustainable and renewable source of hydration.

The startup develops a sustainable water recycling system that utilizes phytoremediation and natural filtration materials to treat and recycle household greywater. This technology enables users to reduce water consumption and minimize environmental pollution, leading to cost savings and enhanced community resilience.

This startup produces bottled drinking water, with sales proceeds funding the installation of water infrastructure such as pipes and taps in underserved communities. By providing access to clean drinking water, the company directly addresses the global water crisis affecting millions.

Blue Carbon offers self-powered, autonomous marine infrastructure that uses wave, current, and solar energy to move water. Their oPod™ technology provides directed, pressurized water flow for aquaculture cooling, desalination, and reef restoration, reducing operational costs and environmental impact.

Pronoe develops automated water treatment systems that process industrial return flows to reduce seawater acidity, enhancing the ocean's natural capacity to capture and permanently store CO2. This technology addresses the declining effectiveness of oceans as carbon sinks, providing high-quality CO2 removal certificates while mitigating coastal acidification.

Sküma utilizes a 3-in-1 Super-Filter™ with reverse osmosis technology to remove contaminants such as chlorine and heavy metals from tap water while preserving essential minerals. The Infusion™ system allows users to customize their hydration by adding vitamins and electrolytes, addressing the issues of expensive bottled water and ineffective filtration methods.

This company develops and deploys scalable, affordable desalination technology for water conservation. Their process utilizes variable pressure to minimize energy consumption during seawater treatment. The system incorporates fouling-resistant features achieved through regular rinsing cycles.

The startup has developed a water-cleaning technology that employs electrolyzed mixtures to effectively purify water while preventing corrosion. This technology enables businesses to reduce their carbon footprint and protect employees from exposure to harmful chemicals.

OXbyEL Technologies Inc. utilizes its proprietary TOF Electrolyzer technology to achieve total destruction of PFAS compounds in water through an electricity-driven process, eliminating the need for chemicals and harmful waste. This net-zero water treatment solution is powered by renewable energy, providing a safe and cost-effective method for addressing the PFAS contamination crisis.

Fluid-Screen develops chip technology for the rapid detection and identification of bacterial contamination in biotherapeutics, healthcare, and water quality monitoring. This platform enables real-time monitoring, significantly reducing the time required for quality control processes and enhancing safety in critical applications.

This startup manufactures public water vending machines that dispense filtered water, eliminating the need for single-use plastic bottles. They also provide refillable steel bottles and apparel made from recycled plastics, enabling environmentally conscious consumers to access sustainable hydration solutions on the go.

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.

This company designs, installs, and maintains modular water purification systems that convert contaminated sources into potable water. Their adaptable technology integrates solar power and AI to minimize operational costs and ensure autonomous performance. They provide communities with a reliable, sustainable supply of compliant drinking water through rapid deployment solutions.

The startup develops a digital water quality management system for water treatment plants that utilizes predictive analytics and automated calculations to optimize chemical usage and treatment processes. This technology reduces compliance risks and operational costs while ensuring the delivery of safe drinking water to consumers.

The startup operates a water management platform that provides sustainable services for groundwater, focusing on borewell management, watershed implementation, and rooftop rainwater harvesting. By enhancing irrigation and drinking water quality, the platform enables farmers and agro-industries to improve yields from low-performing borewells while mitigating soil salination.

The startup develops sustainable energy-neutral technology that extracts clean water from the air using low-temperature heat, which can be powered by renewable sources like waste heat and solar thermal collectors. This technology addresses water scarcity and reduces reliance on existing infrastructure and plastic waste in various industries.

The startup has developed a smart multi-parameter water quality monitoring platform that utilizes artificial intelligence for automatic sensor calibration and operational stability monitoring. This technology provides industries with real-time, actionable data, reducing operational costs and enhancing monitoring efficiency.

The startup develops a regenerable filter made from red mud for advanced wastewater treatment, specifically designed to remove ionic and organic pollutants with minimal energy consumption. This technology enables wastewater treatment plants to reduce waste and operational costs while enhancing their environmental sustainability.

The startup develops a water deep tech platform that utilizes satellite, drone, IoT, and geophysical technologies to provide detailed water assessments for industries. By employing Digital Twins technology, the platform delivers actionable insights that enhance decision-making for achieving water sustainability and resilience.

The startup develops direct air capture technology that utilizes a seawater sequestration process combined with low-energy thermal regeneration to efficiently remove carbon dioxide from the atmosphere. This technology enhances biological activity and increases ocean absorption of CO2, addressing the urgent need for effective climate change mitigation solutions.

This startup operates an online crowdfunding platform that connects investors with companies focused on clean water and sanitation solutions. By facilitating investments in water infrastructure projects, the platform aims to enhance local water quality and address critical water scarcity issues.