Characterization of Steelmaking Desulfurization Slag
| Autor: | Mallikharjuna R. Bogala, Ramana G. Reddy, Mingming Zhang |
|---|---|
| Rok vydání: | 2015 |
| Předmět: |
Materials science
business.industry Scanning electron microscope Phosphorus Metallurgy chemistry.chemical_element Slag Sulfur Steelmaking Flue-gas desulfurization Gibbs free energy symbols.namesake chemistry Elemental analysis visual_art symbols visual_art.visual_art_medium business Nuclear chemistry |
| Zdroj: | Scopus-Elsevier Characterization of Minerals, Metals, and Materials 2015 ISBN: 9783319486017 Characterization of Minerals, Metals, and Materials 2015 |
| DOI: | 10.1002/9781119093404.ch24 |
| Popis: | Steelmaking desulfurization slag samples were characterized using chemical, X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy dispersive spectrometry (EDS) methods. The objective of this work is to investigate the occurrence of sulfur and phosphorus components in the slag samples and to identify their origin and associations with the iron phases. Thermodynamic calculations results confirm the presence of phosphorus and sulfur components in the slag sample at high temperatures (1400 to 1800oC). The main constituents of slag include Ca3SiO5 (28.1%), MgO (9.31%), Ca3(PO4)2 (9.18%), CaS (8.39%) and CaO (5.68%). The major phosphorus and sulfur components of the slag are Ca3PO4 (99.2%) and CaS (79.3%) respectively. Characterization studies indicate the presence of microparticles of different sizes and shapes in the slag sample. Elemental analysis of these particles confirm the presence of major elements (O, Mg, Al, Si, S, Ca and Fe) in the slag sample. |
| Databáze: | OpenAIRE |
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