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Lead in household paint and dust is a serious health hazard as low level lead exposure can result in a number o adverse health effects, especially in children. On-site and real-time detection and quantification of lead in the paint/dust is very important to homeowners and certified lead-based paint removal professionals. Toward this end, both field-portable equipment (such as x-ray fluorescence ...

THE COST OF OFF-GAS TREATMENT DURING REMEDIATION OF HAZARDOUS WASTE SITES CAN TYPICALLY INCREASE THE COST BY 50% OR MORE. THIS RESEARCH IS TARGETED TOWARDS DEVELOPING A SIMPLE COST EFFECTIVE TECHNOLOGY TO DESTROY CHLORINATED ORGANIC SOLVENTS IN THE VAPOR PHASE. THE PROCESS USES A DRY CHEMICAL AT A SLIGHTLY ELEVATED TEMPERATURE. THE RESEARCH INVOLVES TESTING OF A VARIETY OF RELATED DRY CHEMICALS IN ...

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RESEARCH WILL BE CONDUCTED BY HICHEM CORPORATION, TO DEVELOP A NEW TECHNOLOGY FOR PYROLYSIS OF SCRAP TIRES. DISPOSAL OF USED TIRES IS A BIG PROBLEM IN THE WORLD, ESPECIALLY USA, SINCE MORE THAN 2.5 MILLION TIRES ARE DISCARDED EACH YEAR. MOST OF THESE TIRES ARE DISPOSED IN LANDFILLS. PYROLYSIS OF SCRAP TIRES HELPS TO RECOVER AND REUSE MOST OF THE VALUABLE CHEMICAL AVAILABLE IN TIRES. PYROLYSIS OF S ...

We hypothesize that lightweight infrared (IR) and video cameras mounted on a unmanned tethered helium balloon and accessed via a wireless network can remotely sense water quality at site scales. We will demonstrate the technical feasibility of a ground based network to monitor and control balloon mounted IP-enabled wireless IR and video cameras for measurement of the spatial distribution of surfa ...

THE LAST THREE YEARS HAVE SEEN A DRAMATIC INCREASE IN THE NUMBER OF COMPANIES PROCESSING POST-CONSUMER PLASTICS FROM PRODUCTS SUCH AS SOFT DRINK CONTAINERS, DETERGENT BOTTLES, MILK JUGS AND WATER BOTTLES. WHILE THIS HAS TO SOME EXTENT DIVERTED THESE MATERIALS FROM LANDFILLS, IT HAS CAUSED AN ECONOMIC ANOMALY. THE HIGH COSTS OF MANUALLY SORTING THE PLASTICS SO THEY CAN BE REPROCESSED MAKES THEM UNA ...

DIVERSION OF PLASTICS FROM LANDFILL TO RECYCLING CAN POTENTIALLY SAVE THE ENERGY EQUIVALENT OF 60 MILLION BARRELS OF OIL ANNUALLY AND REDUCE LANDFILL VOLUME REQUIRMENTS BY UP TO 20%. THE U.S. ENVIRONMENTAL PROTECTION AGENCY HAS RECOMMENDED THAT SOURCE REDUCTION, RECYCLING, VOLUME REDUCTION, AND LANDFILLING BE APPLIED, IN THAT ORDER, IN THE TREATMENT OF MUNICIPAL SOLID WASTE (MSW). RECYCLING HAS RE ...

EACH YEAR, AMERICANS DISPOSE OF AN ESTIMATED 29 BILLION POUNDS OF PLASTICS WHICH CONSUME UP TO 20% OF OUR NATION'S ANNUAL LANDFILL CAPACITY. RECENT ENVIRONMENTAL AND POLITICAL PRESSURES HAVE LED TO RAPID ESTABLISHMENT OF PLASTICS RECYCLING FACILITIES. LIMITED MARKETS FOR LOW QUALITY RECYCLED RESINS REQUIRE RECLAIMERS TO PRODUCE THE HIGHEST QUALITY RECYCLED RESINS IN ORDER TO COMPETE WITH VIRGIN RE ...

Electoronic waste (e-waste) is one of the most rapidly growing waste problems worldwide. Improper handling of e-waste results in vast amounts of toxic waste being sent to landfill and leaching into the water supply. Due to these concerns e-waste recycling is a rapidly growing industry. Unfortunately, most current e-waste recycling processes rely on either manual hand sorting or differental dens ...

Vegetated roof (ecoroofs) offer diverse benefits, including energy savings and stormwater runoff reductions. Installation of ecoroofs in both new and existing buildings has expanded significantly during the past five years, with several local jurisdictions providing incentives for their installation and the LEED green building rating system offering multiple credits for them. However, discussion ...