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Melting Behavior of Solid Particles during High Temperature Bath Processing (Invited Paper) PMP3, Bangkok, Thailand,


Keywords: smelting, recycling, melting behavior, slag, physical model, furnace bath

ABSTRACT

In primary smelting as well as in recycling processes the solid remaining materials from several processing units or crashed electronic materials are recycled in order to extract their valuable residual elements. Although this recycling practice is an actual reality in some existing companies, it also constitutes a pressing future necessity for the extraction of valuable elements from these remaining through more efficient technologies. While in some actual processes the recycling is done by simply feeding the solid particles such as granulated slag into a particular furnace, the injection of these particles such as granulated slag into a bath is also a viable opportunity.
An important factor of these recycling processes is the melting behavior of solid particles such as slag particles and especially their speed of melting and that of the extraction of the valuable elements. This factor directly affects the feasibility and productivity of these recycling processes. In this paper the melting behavior of the slag particles in various recycling processes is quantified through an original non-equilibrium physical model that takes into account all the factors that influence the melting behavior of the solid particles in the slag such as the slag particle size, temperature, chemical composition and physical properties of both the slag particles and that of the furnace bath as well other physical parameters. The advantages of this physical model related to the increase of efficiency and productivity of these recycling processes are also discussed.

Cite this article as:
(2008). Melting Behavior of Solid Particles during High Temperature Bath Processing. PMP3, Bangkok, Thailand.

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