List

Current anaerobic digester systems are designed for capturing energy from waste from large heads of farm animals. GHD, Inc., a leading manufacturer of anaerobic digesters, has stated that a minimum dairy heard size for economical implementation of a biogas system as 800 cows. These require turbine or diesel generator sets of 100 Kilowatt size and larger, a limiting factor in economically scaling ...

THE CONTROL OF VOLATILE ORGANIC CONTAMINANT (VOC) EMISSIONS FROM INDUSTRIAL PROCESSES AND FUEL SOURCES IS AN IMPORTANT ENVIRONMENTAL PROBLEM. STRINGENT REGULATIONS HAVE BEEN ENACTED THAT WILL LIMIT SUCH EMISSIONS, HEIGHTENING THE NEED FOR SMALL, SIMPLE UNITS THAT CAN RECOVER VOCS AND RETURN THEM AS REUSABLE COMPOUNDS. CURRENT VOC-REMOVAL TECHNOLOGIES, SUCH AS INCINERATION, CARBON ADSORPTION, AND C ...

This Phase I Small Business Innovation Research Project develops methods of recycling rare earth alloys from used nickel metal hydride batteries. Alloys of rare earth metal, nickel and other metals provide functional hydride storage materials that are critical to the operation of nickel metal hydride batteries and their applications. The current fleet of hybrid electric vehicles relies upon nick ...

N/A

IN 1980 THE METALS AND ELECTRONICS INDUSTRIES GENERATED OVER SEVEN MILLION TONS OF HAZARDOUS WASTE AT A COST OF $100TO $400/TON. THESE SLUDGES, WHICH CONTAIN SUBSTANTIAL AMOUNTS OF MIXED HEAVY METALS, PRESENT A SERIOUS DISPOSAL PROBLEM AND REPRESENT A WASTE OF NATURAL RESOURCES. THE INTRINSIC VALUE OF METAL SUCH AS NICKEL, CHROMIUM, AND TANTALUM CONTAINED IN THESE SLUDGES IS HIGH, PROVIDING A SIGN ...