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A modified sulphide capacity function

Nilsson, R and Seetharaman, S and Jacob, KT (1994) A modified sulphide capacity function. In: ISIJ International, 34 (11). 876 -882.

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The sulphide capacity as originally defined by Fincham and Richardson is a strong function of composition in pseudobinary oxide melts of interest in extractive metallurgy. From an analysis of data available in the literature, it is shown that sulphide capacity is directly proportional to the activity of the basic oxide in the melt, within the uncertainty of experimental data. A single parameter is sufficient to describe the sulphide capacity of a binary slag system under isothermal and isobaric conditions. The correlation indicates that the activity coefficient of the sulphide ion or the neutral base metal sulphide dissolved in the melt is independent of composition in pseudobinary melts within experimental uncertainty. Structural variations in the melt with composition do not seem to affect the activity coefficient of the sulphide. A modified sulphide capacity function is defined which makes the treatment more elegant and greatly simplifies data storage and retrieval. The modified function is not based on any model for the melt.

Item Type: Journal Article
Publication: ISIJ International
Publisher: Japan Science and Technology Information Aggregator, Electronic
Additional Information: Copyright of this article belongs to Japan Science and Technology Information Aggregator, Electronic.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 03 Jun 2011 06:52
Last Modified: 06 Nov 2018 12:30
URI: http://eprints.iisc.ac.in/id/eprint/36122

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