Top 50 Desalination Technology - Series B

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.

Aquaria develops atmospheric water generators that extract, filter, and purify moisture from the air to provide a reliable source of clean water. This technology addresses water scarcity and contamination issues, offering scalable solutions for homes, businesses, and communities facing water stress.

RePG Energy utilizes patented technology to generate electricity and potable water from latent heat and waste heat sources, employing principles of osmosis and diffusion without the need for turbines or generators. This system addresses energy inefficiency and water scarcity by enabling decentralized energy production and water generation in residential, industrial, and mobile applications.

Aquafortus utilizes a non-thermal recovery and crystallization technology platform to efficiently extract valuable resources from wastewater. This process reduces environmental impact and enhances resource recovery, addressing the challenges of waste management in various industries.

The startup develops ceramic flat membrane filtration technology for wastewater treatment, providing reliable alternatives for water and sewage management. Their solutions enhance operational efficiency and ensure compliance with environmental standards in industrial applications.

Tidal Vision manufactures chitosan-based biomolecular solutions using its proprietary Chitofining™ Process and Zale Technology™ to address water treatment and agricultural challenges. Their products enhance efficiency and reduce environmental impact by providing high-concentration, zero-waste alternatives to traditional chemical solutions.

Hydraloop develops a water recycling system that captures and purifies domestic wastewater for reuse in showers, gardens, and laundry, promoting water circularity in urban environments. This technology addresses the growing demand for sustainable water management solutions amid increasing water scarcity.

Commercializes a Hybrid Direct Air Capture (HDAC) system that captures CO2 and harvests water from ambient air using only electricity and solid sorbents, eliminating the need for water and heat. This approach reduces energy consumption and operational costs, enabling deployment in water-scarce regions while producing water as a byproduct. The HDAC system offers the lowest Levelized Cost of Capture in the direct air capture market.

Infinity Water Solutions provides a closed-loop water management system that recycles 100% of produced water for reuse in the oil and gas industry, utilizing proprietary technology to ensure high-quality water treatment. By offering reliable water sourcing and storage across a network covering over 130,000 acres, the company helps operators reduce their dependence on freshwater resources while minimizing environmental impact.

Allonnia develops biotechnological solutions to remediate emerging contaminants such as PFAS and 1,4-dioxane using proprietary microbial systems and innovative separation technologies. Their methods enable the detoxification of contaminated water, aiming to treat over 600 billion gallons by 2040 while enhancing sustainable practices in the metals and mining industries.

The startup manufactures hygienic water taps that utilize advanced filtration technology to provide both still and sparkling water, with capabilities to heat and chill. These taps deliver clean drinking water solutions for restaurants, offices, and homes, reducing reliance on single-use plastic bottles and promoting environmental sustainability.

Captura utilizes renewable energy to perform Direct Ocean Capture, extracting CO2 from seawater to enhance the ocean's natural carbon removal processes without additives or by-products. This technology addresses the urgent need for scalable carbon removal solutions to mitigate climate change impacts.

Panthalassa harnesses oceanic energy through advanced marine technology to generate low-cost, renewable power for offshore computing and sustainable fuel production. This approach addresses the global demand for clean energy while utilizing the ocean's vast renewable resources.

ElectraLith develops a direct lithium extraction and refining technology that produces battery-grade lithium hydroxide in a single, modular process without the use of water or chemicals. This method addresses the environmental impact of traditional lithium production by utilizing renewable energy, enhancing sustainability in lithium supply chains.

Ebb Carbon utilizes electrochemical ocean alkalinity enhancement to accelerate the natural process of CO₂ removal from the atmosphere, converting it into bicarbonate for long-term storage in seawater. This method addresses rising atmospheric CO₂ levels and ocean acidification, benefiting marine ecosystems while providing cost-effective carbon removal credits projected to be under $100 per ton by 2028.

Via Separations develops proprietary membrane materials that reduce energy consumption in thermal separations by up to 90%, enhancing efficiency in industrial processes. Their technology addresses the significant energy demands of manufacturing sectors such as pulp and paper, chemicals, and refining, delivering substantial cost savings and operational flexibility.

Blue Frontier has developed the Liquid Desiccant-Enhanced Dedicated Outdoor Air System (LD-DOAS), which achieves over 90% reduction in yearly electricity use while eliminating high GWP refrigerants. This system provides superior moisture removal efficiency and energy storage, enhancing indoor air quality without compromising energy consumption.

EnergyX utilizes patented Direct Lithium Extraction technologies to efficiently convert brine into high-purity lithium products, addressing the global supply shortage of this critical resource. The company's advancements in lithium refining and battery innovation support the growing demand for sustainable energy storage solutions in electric vehicles and renewable energy systems.

The startup has developed a purification and disinfection device that generates hydrogen peroxide using only water, air, and electricity, producing an eco-friendly biocide. This technology enhances food and water safety while minimizing the environmental impact and risks associated with transporting and handling toxic disinfectants.

Moleaer develops industrial-scale nanobubble systems that enhance oxygen transfer rates in water treatment and agricultural processes, improving chemical reactions and water quality. Their technology enables more efficient irrigation and aquaculture by increasing dissolved oxygen levels, which promotes plant health and reduces operational costs.

Sealence develops electric outboard hydrojets that provide silent, efficient, and zero-emission propulsion for boats, enhancing performance and sustainability in marine navigation. Their patented DeepSpeed technology addresses the need for environmentally friendly boating solutions while improving energy efficiency and water quality.

The startup has developed a portable hemodialysis system that enables patients with kidney disease to perform dialysis independently, utilizing automated processes and multiple treatment modalities. This technology addresses the challenges of accessibility and affordability in kidney care, allowing patients to manage their treatment anywhere.

Salmon Evolution utilizes a hybrid flow-through system to farm salmon on land, ensuring optimal water quality and fish welfare while minimizing operational risks. This approach addresses the challenges of traditional aquaculture by providing a controlled environment that promotes sustainable and healthy salmon growth.

The startup develops a bio-based adsorbent material that selectively captures micro-pollutants such as pesticides and pharmaceuticals from contaminated water and wastewater. This technology enables clients to meet stringent wastewater regulations while protecting local ecosystems from harmful pollutants.

Summit Nanotech utilizes patented direct lithium extraction technology to efficiently extract high-purity lithium from brine, significantly reducing production time from 18 months to just one day. This process addresses the increasing global demand for lithium in electric vehicle batteries while minimizing environmental impact by reinjecting lithium-depleted brine back into the source.

The startup manufactures a patented UV-light pasteurization system designed to inactivate microorganisms in liquid food products. This energy-efficient technology provides clients with a reliable method to ensure product safety and extend shelf life without the need for thermal processing.

Advanced Ionics develops electrolyzers that operate in an intermediate temperature range, utilizing existing steam in industrial settings to produce green hydrogen with up to 50% less electricity per kilogram. This technology eliminates the green premium associated with hydrogen production, making it more cost-effective for industries reliant on hydrogen for exothermic reactions.

The startup develops software-guided ultrasonic technology that utilizes beam-forming techniques to precisely target and sonicate materials without halting production or using chemicals. This approach enhances process efficiency and helps clients meet stringent environmental regulations.

The startup offers a generative design platform that automates the creation of engineering documentation for critical infrastructure projects, including preliminary reports and design basis. This technology provides essential data for cost estimation and procurement, enabling project developers to make informed decisions and optimize project outcomes.

The startup has developed a cooling technology that submerges servers in a proprietary dielectric fluid, which provides significantly higher cooling capacity than air while consuming half the power of traditional air-cooled systems. This approach enhances energy efficiency and protects equipment from overheating in data center environments.

Outset Medical is a medical technology company that has developed a portable dialysis system designed to enhance patient comfort and accessibility. This technology addresses the challenges of traditional dialysis by enabling patients to receive treatment in various settings, thereby improving their quality of life and reducing the burden on healthcare facilities.

ECL designs and operates modular data centers that utilize hydrogen power generation for zero-emission, off-grid operations, while maintaining ultra-high efficiency with a Power Usage Effectiveness (PUE) under 1.05. Their solution addresses the environmental impact of traditional data centers by eliminating water usage and local resource consumption, while providing customizable, scalable infrastructure for diverse deployment needs.

Bevi develops a smart water dispenser that connects to a building's water supply, providing customizable still and sparkling beverages using a specialized carbon filtration system. This technology eliminates the need for single-use plastic bottles and cans, saving an average of 50,000 containers annually per machine while offering a healthier hydration option with zero- and low-calorie flavors.

Oceanloop utilizes recirculating aquaculture systems (RAS) to farm Pacific white shrimp and other seafood species in a sustainable, land-based environment, significantly reducing CO₂ emissions. The company aims to meet the growing global demand for animal protein while setting new standards for shrimp quality in Europe.

Rainmaker employs cloud seeding technology, utilizing radar validation and weather-resistant drones to enhance precipitation for agriculture, water supply, and ecosystem restoration. This approach directly addresses freshwater scarcity caused by climate change and increasing global consumption, providing a scalable solution to replenish vital water resources.

This startup provides affordable dialysis services for patients with acute kidney injury and end-stage renal disease, utilizing established dialysis techniques to ensure effective treatment. By combining technical expertise with practical operational experience, the company aims to improve patient access to essential renal care.

air up utilizes Scentaste™ technology to transform plain water into flavored beverages by infusing it with natural aromas from flavor pods, allowing users to experience taste through scent without added sugars or calories. This approach addresses the challenge of hydration by making water more enjoyable and accessible, reducing reliance on sugary drinks.

The startup operates land-based aquaculture farms utilizing a recirculating aquaculture system (RAS) that integrates a hybrid flow-through mechanism, supplying fresh seawater from on-site boreholes. This approach enables the sustainable production of salmon in optimal conditions, minimizing handling and eliminating the need for harmful chemicals.

Power to Hydrogen develops anion exchange membrane (AEM) electrolyzers that integrate with renewable energy sources to produce low-cost hydrogen and pressurized oxygen without the use of precious metals. This technology enhances the economic viability of industrial hydrogen applications and optimizes energy output from solar and wind installations.

Terradepth provides ocean data as a service through long-endurance autonomous underwater vehicles (AUVs) that collect and manage complex bathymetric data in real-time. This technology enables efficient and cost-effective maritime decision-making by offering interactive geospatial data visualization for industries such as energy, infrastructure, and government.

Elicit Plant develops phytosterol-based solutions that enhance crop resilience to drought by improving water management and reducing consumption by 20%. Their technology enables maize, wheat, and sunflower crops to maintain yields during water shortages, addressing the challenges posed by climate change and water scarcity.

This startup manufactures climate technology products that utilize advanced carbon capture and energy efficiency systems to reduce greenhouse gas emissions. By providing measurable solutions, the company enables clients to meet their sustainability targets and contribute to global climate initiatives.

280 Earth manufactures Direct Air Capture (DAC) systems that extract CO2 from the atmosphere, addressing the excess carbon levels that have risen from 280 to 425 parts per million since industrialization. Their facility in The Dalles, Oregon, is designed to capture over 20,000 tons of CO2 annually, contributing to long-term climate improvement and sustainable carbon removal solutions.

Hysata develops hydrogen electrolyzers that utilize advanced membrane technology to efficiently convert water into green hydrogen, addressing the reliance on fossil fuels for energy. Their electrolyzers aim to lower production costs and increase the scalability of green hydrogen, facilitating a transition to sustainable energy sources.

Notpla develops biodegradable packaging materials using a natural seaweed coating, which allows their products to decompose within weeks, unlike traditional plastic. This technology addresses the environmental impact of single-use plastics by providing sustainable alternatives that leave no harmful traces.

SunCulture provides solar-powered irrigation pumps that enable smallholder farmers to access reliable water supply, irrigation, and energy for lighting and mobile charging. This technology increases crop yields by up to 300% while reducing water usage by 80%, addressing the critical challenges of water scarcity and low agricultural productivity.

STAX Engineering provides emissions capture and control solutions for the maritime and data center industries, utilizing patented technology to remove 99% of diesel particulate matter and 95% of nitrogen oxide from exhaust. This technology addresses the critical issue of air pollution by enabling compliance with environmental regulations while enhancing operational efficiency for terminal operators and data center operators.

LAKE is a decentralized ecosystem utilizing blockchain technology to create a transparent and efficient water economy, enabling direct connections between water sources and consumers through its Spring to Consumer (S2C) model. By introducing the LAK3 token, LAKE democratizes access to water resources, allowing individuals to invest in and profit from water projects globally.

The startup develops an artificial intelligence-based leak detection and auto-shutoff system that identifies and stops water leaks at their source. This technology prevents water damage from leaks and broken pipes, enabling organizations to conserve water and reduce carbon emissions associated with water waste.

Blue World Technologies manufactures methanol fuel cells that provide a green alternative to combustion engines and diesel generators, specifically targeting hard-to-abate sectors like maritime and heavy-duty transportation. Their technology enables fuel savings of 20-30% and up to 100% CO2 recovery, facilitating a cost-effective transition to renewable energy sources.