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Title: Chemical and mineral composition of furnace slags produced in the combustion process of hard coal
Authors: Smołka-Danielowska, Danuta
Kądziołka-Gaweł, Mariola
Krzykawski, Tomasz
Keywords: Coal burning; Blast furnace slag; Mössbauer spectroscopy; Phase and chemical composition
Issue Date: 2019
Citation: International Journal of Environmental Science and Technology, Vol. 16, iss. 10 (2019), s. 5387-5396
Abstract: Presented are the results of the examination of the chemical and mineral composition as well as iron compounds in furnace hearth slags coming into existence after the burning of hard coal. The samples of furnace hearth slags from heat and power plant and the hearths of the individual home furnaces fitted out with grate firings were compared. The examination methods like X-ray diffraction (XRD) with powder method, Mössbauer spectroscopy, scanning electron microscopy and ICP analysis were used. The main components of furnace hearth slags are SiO2, Al2O3 and Fe2O3. On the basis of the X-ray diffraction, it was found that the domination components of furnace hearth slags are mullite and quartz. Furnace hearth slags are different as for the content of the concentration of toxic elements (Cd, Cr, Ni, Tl, Pb, Zn, As, Ba and Cu) and Fe.
DOI: 10.1007/s13762-018-2122-z
ISSN: 1735-1472
Appears in Collections:Artykuły (WNP)

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