THIS PROPOSAL ADVANCES RESEARCH TO ADDRESS A CRITICAL CHALLENGE IN THE DAIRY INDUSTRY - ENVIRONMENTALLY AND ECONOMICALLY SUSTAINABLE MANAGEMENT OF DAIRY MANURE. OVER 9 MILLION DAIRY COWS GENERATE &GT;226 BILLION KG/YR OF WET MANURE IN THE U.S. NOT ONLY IS THE VALUABLE SOURCE OF CARBON INSUFFICIENTLY RECOVERED, NITROGEN AND PHOSPHORUS DISCHARGES ARE A CHALLENGE. THE DAIRY INDUSTRY IS IN NEED OF ENGINEERED SYSTEMS THAT PROVIDE OPPORTUNITIES TO 'PIVOT' FROM A LEGACY WASTE MANAGEMENT APPROACH TO SOLUTIONS THAT CONCURRENTLY ACHIEVE ECONOMIC AND ENVIRONMENTAL RESILIENCE. THIS PROPOSAL FOCUSES ON AN ENGINEERED SUITE OF PROCESSES TO PRODUCE COMMERCIALLY VIABLE PRODUCTS (BIO-PLASTICS, BIO-POWER, BIO-OIL, AND ORGANIC FERTILIZER) FROM DAIRY MANURE. OUR TECHNOLOGY FERMENTS DAIRY MANURE TO PRODUCE A VOLATILE FATTY ACID-RICH EFFLUENT, WHICH IS RECOVERED TO PRODUCE PHBV (A BIODEGRADABLE BIOPLASTIC). RESIDUAL SOLIDS ARE DIGESTED TO CH4-RICH BIOGAS FOR ELECTRICITY PRODUCTION OR VEHICLE FUEL. NUTRIENTS ARE UPCYCLED TO ALGAL BIOMASS, WHICH IS TREATED VIA HYDROTHERMAL LIQUEFACTION (HTL) TO YIELD A BIO-OIL AND A NUTRIENT-RICH AQUEOUS FRACTION; ALTERNATELY, ALGAE IS RECOVERED AS A FERTILIZER OR AS ANIMAL FEED. HTL NUTRIENTS WILL BE CAPTURED VIA STRUVITE PRODUCTION OR RECYCLED TO ENHANCE ALGAE PRODUCTION.