8th International Symposium on High-Temperature by Jiann-Yang Hwang, Tao Jiang, Mark William Kennedy, Onuralp

By Jiann-Yang Hwang, Tao Jiang, Mark William Kennedy, Onuralp Yücel, P. Chris Pistorius, Varadarajan Seshadri, Baojun Zhao, Dean Gregurek, Ender Keskinkilic

This assortment gains contributions masking the advances and advancements of latest high-temperature metallurgical applied sciences and their purposes to the components of: processing of minerals; extraction of metals; guidance of metal, refractory, and ceramic fabrics; remedy and recycling of slag and wastes; conservation of power; and environmental defense. the quantity may have a vast impression at the teachers and pros serving the metallurgical industries world wide by way of offering them with finished assurance of a large choice of topics.

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This phase contains also some barium the cold end. This moreover means that the invariant point of the respective mineral phase assemblages is below the cold face temperature. Within the infiltrated brick microstructure, the sintered magnesia shows severe intra-granular corrosion particularly in the area 2–5 mm from the hot face. That means that the slag also penetrated along the crystal boundaries of the sintered magnesia and corroded the interstitial phases of the magnesia. Due to the corrosion of the magnesia, the main reaction products are Mg-silicate of type forsterite (Mg2SiO4) slightly enriched with CaO, Ca–Mg-silicate of type monticellite (CaMgSiO4) and Na–Ca–Mg–Fe–Al-silicate (Fig.

But from a practical point of view, it is easier to remove extra iron that will form a distinct product phase than to remove M2O3 phases within the spinel solid solution. In addition to facilitate the melting, having excess iron is useful to compensate for the losses due to splashing. All meltings except one were successful. The chromite synthesis (x = 0, y = 0) carried out at 70% power failed and only a small fraction of the reactants melted. This sample evidenced the minimum requirements in terms of power input.

The decline in the growth rate is mainly ascribed to the decreasing content of biochar that is consumed continuously during reduction. Another reason why differences occur is due to possible microwave reflection of enlarged metallic grains formed within the longer time period. Microwave-Intensified Reduction of Biochar-Containing Briquettes 37 Fig. 6 Effect of briquetting pressure on metallization degree of brequettes after reduction at 1050 °C for 45 min Figure 5 shows the effect of flow rate of nitrogen gas on the metallization degree of briquettes after reduction at 1050 °C for 45 min.

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8th International Symposium on High-Temperature by Jiann-Yang Hwang, Tao Jiang, Mark William Kennedy, Onuralp
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