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MEI Online: People News: North America: May 13th 2010


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:: TMS Award Success for Stanko Nikolic

Dr. Stanko Nikolic joined the Xstrata Technology team in 2008, after submitting his Ph.D. thesis at the University of Queensland (UQ).

His thesis was part of an Xstrata Technology sponsored co-operative research project that was investigating slag systems for use in the copper ISACONVERTTM process. At the start of 2008 a series of Stanko’s papers were published in Metallurgical Transactions B, entitled: ‘Phase Equilibria in Ferrous Calcium Silicate Slags, Parts I-IV’.

These were co-authored with UQ researchers Prof. Peter C. Hayes, Dr. Hector Henao, and Prof. Evgueni Jak. This series of papers led to Stanko and his co-authors being awarded the TMS 2010 EXTRACTION & PROCESSING SCIENCE AWARD (www.tms.org/society/Honors/EPDScience.html)

The TMS, The Minerals, Metals and Materials Society, is an international society, based in the USA, and promotes the advancement of materials and engineering, from minerals processing and primary metals production to basic research and the advanced applications of materials. Each year the TMS organizes a series of awards and honours, awarding those related papers which it believes represent a notable contribution to the scientific understanding of extraction and processing metallurgy.

This series of papers, and a second series recently published, have direct relevance to the copper converting industry, and in particular, to the copper ISACONVERTTM process. The research as a whole mapped out previously unknown areas of the two continuous converting phase diagrams and characterized the effects of temperature, oxygen content and silica on the system.

It has allowed Xstrata Technology to better understand the relationship between product blister copper quality and copper in slag, as well as identify how the operating window of the ISACONVERTTM process is altered at different conditions.




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