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 Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/32483

 Title: Desulphurization of Ferronickel Alloy using a Waste Material from Alumina Production Authors: Men, Xinqiang Advisor: McLean, Alexander Department: Materials Science and Engineering Keywords: desulphurizationferronickelred mudrecyclingsustainabilityrefractory materials Issue Date: 23-Jul-2012 Abstract: Red mud is a waste product of alumina production and has an adverse effect on environment. About 90 million tonnes of red mud are produced annually throughout the world and little is recycled for useful applications. The world nickel reserves consist of approximately 30% sulphide ores and 70% oxide ores. Despite the relative abundance of oxide ores, 55% of nickel and nickel alloys produced today are derived from sulphide ores. However, with the production of nickel and its alloys from low-grade oxide ores becoming increasingly important, a major concern is high sulphur level in the resultant alloy. For this reason, desulphurization of the ferronickel becomes an important consideration. In the present study, experiments were conducted to determine if red mud could be used as a major ingredient of custom designed fluxes for the desulphurization of ferronickel alloy. Factors investigated included desulphurization rates, contact angle measurements and flux-refractory interactions. URI: http://hdl.handle.net/1807/32483 Appears in Collections: Master

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