TDA RESEARCH, INC.

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SELENIUM IS PRESENTLY THE PRIMARY WASTEWATER TREATMENT CHALLENGE FOR MANY WEST COAST PETROLEUM REFINERIES, AND SELENIUM IS ALSO PRESENT IN SIGNIFICANT QUANTITIES IN WASTEWATERS FROM COAL-FIRED POWER P ...

WIDELY USED CHLORINATED HYDROCARBONS (CHCS) SUCH AS TRICHLOROETHYLENE, PERCHLOROETHYLENE AND METHYLENE CHLORIDE ARE RECOGNIZED AS CARCINOGENS AND MUTAGENS, AND CONTRIBUTE TO GLOBAL WARMING AND OZONE D ...

Single wafer manufacturing processes can produce higher quality semiconductor devices, minimize the particulate contamination yeild loss, and greatly reduce the cost of low production volume, applicat ...

CONTROL OF CARBON DIOXIDE (CO2) EMISSIONS FROM THE COMBUSTION OF FOSSIL FUELS MAY BECOME NECESSARY TO MINIMIZE GLOBAL WARMING PRODUCED BY THE GREENHOUSE EFFECT. SEPARATION OF CO2 FROM FLUE GASES WILL ...

COMPUTERS USING LIGHT BEAMS INSTEAD OF WIRES ARE THE FASTEST KNOWN TYPE OF COMPUTER. MANY OF THE MAIN COMPONENTS OF OPTICAL COMPUTES SUCH AS THE OPTICAL SWITCHES THAT ARE ITS FUNDAMENTAL BUILDING BLO ...

THE CONTAMINATION OF GROUNDWATER BY HEAVY METALS, RADIONUCLIDES, AND ORGANICS IS A SERIOUS ENVIRONMENTAL PROBLEM. IN SOME CASES IT MAY NOT BE POSSIBLE TO REMOVE ALL OF THE MATERIAL FROM THE SOIL BY C ...

AMMONIA SYNTHESIS IS ONE OF THE LARGEST AND MOST ENERGY INTENSIVE MANUFACTURING PROCESSES. FOR A TYPICAL SINGLE TRAIN AMMONIA SYNTHESIS PLANT, THE ENERGY REQUIREMENTS FOR AMMONIA PRODUCTION ARE ...

POLYMER ELECTROYTE MEMBRANE (PEM) FUEL CELLS ARE PROMISING CANDIDATES FOR LOCALIZED POWER GENERATION AND TRANSPORTATION APPLICATIONS BECAUSE OF SIMPLICITY OF DESIGN, LOW WEIGHT, AND LOW TEMPERATURE OP ...

WHILE THE RECENT DISCOVERY OF FULLERENE CARBON HAS LED TO INTENSE RESEARCH ACTIVITY AND MANY PROPOSED APPLICATIONS, MOST OF THE WORK TO DATE HAS FOCUSED ON C60, AND TO A LESSER EXTENT, C70. THE HIGHE ...