نتایج جستجو برای: copper slags
تعداد نتایج: 83871 فیلتر نتایج به سال:
Molecular dynamics simulation was explored to investigate the change of structure of calcium aluminosilicate slags with varying Al2O3/ SiO2 ratios at a fixed CaO content. In practice the results of the study are relevant to the significant changes in slag structure caused by the changes in chemical composition during continuous casting of steels containing high amounts of dissolved aluminum. It...
Measurements of metallurgical slag viscosity were performed. The studied slags have been found to close ( η ) values over a wide temperature range from 1453 1873 K. results demonstrate that the decreases with increase CaO/SiO 2 ratio. Temperature inflection points T ’) are in = f dependence, and they consistent chemical composition below value ’ increases activation energy E was calculated by u...
Concrete produced from electric arc furnace steel slag aggregates is one of the items that highly regarded due to its strength, environmental friendliness and cost-effectiveness. Despite growing interest in using this type concrete, there are still doubts about mix proportions addition effects slags. In paper, performance replacing natural by slags aggregate comprehensively investigated effect ...
The second part of the article presents perspective directions using boron and its compounds in preparation processes, metallurgical processing ore materials steel smelting order to improve quality final product. An efficient technology silicothermal production ferrosilicoboron containing 0.6–2.0% B 60–80% Si has been developed. advantage this scheme is possibility obtaining a boron-containing ...
Abstract Galena is treated as the most important silver ore in antiquity and especially Roman mining history, but many other mineralisation phases occur Earth's crust that also contain valuable amounts of for exploitation. This study addresses silver-containing sulfosalts how to decide between alternative ores when only metallurgical remains are preserved context not evident. Numerous samples m...
Steel slags are the by products of steel industries, which forms during reduction process of iron melting. The chemical composition of it changes depending to the melting procedure. Its mineralogical composition also varies based on the cooling procedure. Two different types of steel slag were used as absorbing bed for various concentrations of Pb2+ ions in the form of lead chlor...
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