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Predicting phase equilibria in oxide and sulphide systems.

Gisby, J A; Dinsdale, A T; Taskinen, P A* (2007) Predicting phase equilibria in oxide and sulphide systems. In: European Metallurgical Conference 2007, 2007.

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Phase equilibria for multi-component systems can be calculated reliably from critically assessed thermodynamic data for sub-systems using software packages like MTDATA, developed by the National Physical Laboratory, UK (NPL). Models and data resulting from an ongoing project make such calculations possible for the complex systems encountered during sulphide smelting, involving interactions between matte, slag, metal, and gas phases. Predictive calculations can be made which are directly relevant to industrial processes, covering composition and temperature ranges beyond the scope of hard-copy phase diagram compilations, allowing the feasibility of more economic and environmentally sound routes to be explored, better choice of materials to be made and pilot plant studies to be directed more efficiently. Current applications include the selection of suitable fluxing practices in copper and nickel smelting, analysing the operation of the Kennecott copper smelter, optimising the recovery of precious metals and investigating refractory wear.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: Advanced Materials
Advanced Materials > Materials Modelling
Last Modified: 02 Feb 2018 13:15
URI: http://eprintspublications.npl.co.uk/id/eprint/4314

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