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A series of four fly ashes, representing a variety of geological origins, and a bottom ash sample derived from the combustion of lignitenatural gas mixtures have been studied by !j7Fe Mossbauer spectroscopy. The ashes are separated into magnetic and non-magnetic fractions to facilitate a study of th
Fly ash samples collected by means of an electrostatic precipitator from the coal-รred thermal power plant of the National Thermal Power Corporation located at Talcher in India were characterized using particle-induced x-ray emission (PIXE) and energy-dispersive x-ray รuorescence (EDXRF) techniques.
Describes the possibilities and limits of temperature reduction of flue gases from coal-fired boilers regarding heat savings. Presents additional measuring results and theoretical examination of the SO, separation depending on the heating surface temperature and coal type. 96/06663
specimens at high compressive stress level and by acetone impregnation were compared with ASTM and Hg porosity with promising results. Good porosity/strength correlations were found and a previous strength/time mathematical model always verified for cement without fly-ash was adjusted with success,