HG Ventures

ZwitterCo specializes in advanced membrane solutions for the treatment of highly impaired wastewater, focusing on the development of reverse osmosis and nanofiltration technologies. These innovations enable the effective reuse and recycling of water resources by addressing challenges such as fouling and chemical demands. ZwitterCo's membranes are designed to treat historically unfilterable streams, allowing customers to transform waste into a valuable resource. With features such as chlorine tolerance and resistance to irreversible fouling, the company's technology supports steady performance and durability, making wastewater treatment economically viable for industrial applications.

Aclarity, LLC is a cleantech startup established in 2017 and based in the United States. The company specializes in manufacturing and marketing advanced water purification devices designed for residential use. Aclarity's systems utilize innovative electrochemical technology to effectively eliminate a wide range of contaminants, including pathogens, metals, volatile organic compounds (VOCs), per- and polyfluoroalkyl substances (PFAS), and ammonia from water. These devices provide customers with cost-effective and low-maintenance solutions for comprehensive water treatment, addressing the pressing need for clean water in homes and contributing to broader environmental sustainability efforts.

Puraffinity Ltd, founded in 2015 and based in London, specializes in innovative water treatment and purification solutions. The company, which was previously known as Customem Ltd before rebranding in July 2019, has developed a sustainable bio-based adsorbent material designed to effectively remove challenging pollutants from contaminated water and wastewater. Utilizing advanced supramolecular chemistry, Puraffinity's technology allows for the selective capture of micro-pollutants, including pesticides, pharmaceuticals, and hazardous chemicals such as per- and polyfluoroalkyl substances. This capability enables clients to comply with stringent wastewater regulations while contributing to the protection of local ecosystems. Puraffinity is committed to addressing pressing water quality challenges through environmentally sustainable practices.

PowerTech Water, Inc. is a company that develops and markets innovative water treatment solutions, focusing on chemical-free technologies. Founded in 2014 and headquartered in Lexington, Kentucky, the company specializes in its flagship product, CapCo, an electrochemical filter designed to effectively remove various metals from water. PowerTech Water serves a diverse range of industries, including batteries, microelectronics, electroplating, automotive, metal finishing, mining, food and beverage, and oil and gas. The CapCo filter targets contaminants such as lead, copper, manganese, iron, silver, gold, mercury, zinc, nickel, and aluminum, aiming to provide efficient and sustainable solutions for wastewater management.

Puraffinity Ltd, founded in 2015 and based in London, specializes in innovative water treatment and purification solutions. The company, which was previously known as Customem Ltd before rebranding in July 2019, has developed a sustainable bio-based adsorbent material designed to effectively remove challenging pollutants from contaminated water and wastewater. Utilizing advanced supramolecular chemistry, Puraffinity's technology allows for the selective capture of micro-pollutants, including pesticides, pharmaceuticals, and hazardous chemicals such as per- and polyfluoroalkyl substances. This capability enables clients to comply with stringent wastewater regulations while contributing to the protection of local ecosystems. Puraffinity is committed to addressing pressing water quality challenges through environmentally sustainable practices.