Award Data

In order for plastics recycling to be a viable alternative in the long term, the recycled resins must be competitive with virgin resins both in terms of economics and purity. Current processing technologies utilize either hand sorting or automated sorting on the bottle level. However, there are many sources of contamination other than whole bottles, which will remain in the stream using whole bot ...

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COAL TAR IS A BY-PRODUCT OF THE COAL GASIFICATION PROCESS USED WIDELY BETWEEN 1820 AND 1950 TO PRODUCE A NATURAL GAS SUBSTITUTE. DURING THAT TIME, BILLIONS OF GALLONS OF TAR WERE PRODUCED AT MORE THAN 1500 GAS MANUFACTURING FACILITIESLOCATED THROUGHOUT THE U.S. A LARGE PORTION OF THIS WASTE TAR REMAINS IN STORAGE OR WAS DISPOSED OF BY INJECTION INTO SUBSURFACE SITES. COAL TAR IS A MIXTURE OF HYDRO ...

Inorganic color pigments based on hazardous metals such as chromium, mercury, cobalt, lead, etc., account for more than 95% of the U.S. and worldwide pigments consumption. Color pigments are commonly used by numerous industries and in various consumer products. It is estimated that they are one of the largest vehicles of heavy metal-based chemicals in commerce. A technology that can provide a co ...

GROUNDWATER POLLUTION INVESTIGATIONS ARE A PRIORITY IN TODAY'S WORLD AS THE POPULATION GROWS RAPIDLY AND TECHNOLOGYRESPONDS WITH INCREASED PRODUCTION AND GENERATION OF WASTE PRODUCTS. IN MOST SITUATIONS, WASTE CONTAINMENT IS BY BURIAL OR INJECTION INTO THE SUBSURFACE. COMMONLY OVER TIME, GROUNDWATERS CAN PERCOLATE THROUGH THE WASTE, MOBILIZING THE CONTAMINANTS INTO LOCAL OR MUNICIPAL GROUNDWATER S ...

Infrared tunable diode laser spectrometers provide a highly effective means of measuring trace concentrations, with either remote sensing or with advective sampling. It is often desirable to measure more than one trace gas at a time. This is especially true when gas emissions are strongly correlated, such as in combustion emissions where measuring both the CO2 concentration and another minor con ...

Laser-induced fluorescence (LIF) can sometimes be used as a diagnostic device in biology and medicine. In general, LIF has difficulties in relating the fluorescence spectra to the concentration of the emitters within the tissue, in identifying different species, and in the possibility of destroying the molecules being probed if the wrong excitation wavelength is chosen. Many of the problems asso ...

RECENT PROMISING DEVELOPMENTS IN THE PETROLEUM INDUSTRY "PROFILE MODIFICATION TECHNOLOGY" (PMT) WILL BE EVALUATED FOR THEIR APPLICATION TO LEAKING LANDFILL SITES. PROFILE FLOW MODIFICATION TREATMENTS ARE USED TO INCREASE FLOW RESISTANCE IN HIGH PERMEABILITY AREAS FAR (75 FEET TO AS MUCH AS 1000 FEET) FROM THE INJECTION WELLBORE. THESE TREATMENTS CAN WITHSTAND FORMATION PRESSURES AND TEMPERATURES U ...

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