By Ramana G. Reddy, Pinakin Chaubal, P. Chris Pistorius, Uday Pal
This assortment makes a speciality of ferrous and non-ferrous metallurgy the place ionic melts, slags, fluxes, or salts play very important roles in commercial development and economic climate all over the world. Technical themes integrated are: thermodynamic homes and section diagrams and kinetics of slags, fluxes, and salts; actual houses of slags, fluxes, and salts; structural reports of slags; interfacial and approach phenomena regarding foaming, bubble formation, and drainage; slag recycling, refractory erosion/corrosion, and freeze linings; and recycling and usage of metallurgical slags and types and their purposes in strategy development and optimization. those themes are of curiosity not to in simple terms conventional ferrous and non-ferrous steel business procedures but in addition new and upcoming technologies.
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Additional info for Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016
J. Min, “A Study on the Viscous Behaviour with K 2O Additions in the CaO-SiO2-Al2O3-MgO-K2O Quinary Slag System”, Steel Research International, 81 (2010) 735-741 19, H. -Y. Park, G. H. Kim, and I. Sohn, “Effect of TiO2 on the Viscosity and Slag Structure in Blast Furnace Type Slags”, Steel Research International, 83 (2012) 150-156 20. S. A. Brawer and W. B. White, “Raman Spectroscopic Investigation of the Structure of Silicate Glasses. I. The Binary Silicate Glasses”, Physical Review B, 63 (1975) 2421-2432 21, B.
With increasing the proportion of rubber in the blend, the rate of gas generation increased. Changes of volume ratio (Vt/V0) of slag droplets (#1 and #2) during the process of reaction with coke-rubber blends versus reaction time are shown in Figures 10-A and 10-B. The optical microscopic images of the cross-sections of reduced slags in reaction with coke-rubber blends are also illustrated in Figure 11. When coke-rubber blend was used as a source of carbon in reaction with slag #1, the volume ratio of slag droplet increased to high level and stayed there for a relatively long period of time (Figure 10-A) which implies that not only the rate of gas generation increased, but also the generated gas bubbles remained entrapped in the slag droplet for a long time.
Figure 9 shows the optical microscopic images of the cross-sections of reduced slags #1 and #2 in reaction with 100% coke #1. In all optical microscopic images white area are metallic iron and dark black area are representative of gas bubble entrapped in slag droplet. As it can be seen from optical microscopic image of slag #2 reduced with 100 % MC #1 (Figure 9), large gas bubbles were formed after 60 second. However in the case of slag #1 with lower content of iron oxide, the size of gas was very small and number of gas bubbles was also limited.