374Water
About
374Water Inc. (NASDAQ: SCWO), headquartered in Morrisville, North Carolina, is a cleantech company commercializing AirSCWO (Air Supercritical Water Oxidation) technology originally developed from Duke University research funded by the Gates Foundation beginning in 2013. The AirSCWO process heats water above 374°C and 221 bar into a supercritical state where organic compounds dissolve completely, enabling rapid oxidation of contaminants including PFAS, pharmaceuticals, and microplastics with over 99.9% destruction efficiency and treatment times under 25 seconds. The technology reduces solid waste volume by up to 97% and produces clean dischargeable water, inert minerals, vent gas, and recoverable heat energy. Three commercial-scale models are available: the AS1 (1 wet ton per day in a 20-foot container), the AS6 (6 WTPD in a 40-foot container), and the AS30 (30 WTPD across three 40-foot containers), all operating as continuous 24/7 processes with integrated SCADA monitoring and process historian. Performance metrics include greater than 99.9% COD removal, PFAS elimination to non-detect levels per EPA Method 1633, over 80% total nitrogen removal, and over 95% phosphorus removal. The systems are net energy producers, harnessing oxidation heat to preheat influent. 374Water also offers Waste Destruction as a Service (WDS), a pay-as-you-go model eliminating upfront capital investment. Target waste streams include biosolids, landfill leachate, PFAS-contaminated spent resin and GAC, AFFF firefighting foam, and hazardous organic waste. Manufacturing takes place in Kokomo, Indiana.
Key Products
Commercial-scale supercritical water oxidation units destroying organic waste including PFAS, biosolids, leachate, and hazardous contaminants with up to 99.9999% destruction efficiency.
AirSCWO units specifically configured to destroy PFAS in spent IX resin, GAC, AFFF, and foam fractionate concentrates rather than merely concentrating or transferring contaminants.
AirSCWO units processing wastewater biosolids and sludges, reducing solid waste volume by up to 97% while producing clean water and recoverable energy.
AirSCWO systems treating contaminated landfill leachate, destroying organic contaminants and producing clean, reusable water.
Specialized AirSCWO configurations for treating hazardous organic waste, pharmaceutical waste, munition waste, and battery recycling residues.
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