Study of certain parameters in laboratory-scale smelting of Sivrihisar laterite ores of Turkey

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2012

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Minerals, Metals and Materials Society

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Metallurgical and Materials Engineering
(2004)
The main fields of operation for Metallurgical and Materials Engineering are production of engineering materials, defining and improving their features, as well as developing new materials to meet the expectations at every aspect of life and the users from these aspects. Founded in 2004 and graduated its 10th-semester alumni in 2018, our Department also obtained MÜDEK accreditation in the latter year. Offering the opportunity to hold an internationally valid diploma through the accreditation in question, our Department has highly qualified and experienced Academic Staff. Many of the courses offered at our Department are supported with various practice sessions, and internship studies in summer. This way, we help our students become better-equipped engineers for their future professional lives. With the Cooperative Education curriculum that entered into effect in 2019, students may volunteer to work at contracted companies for a period of six months with no extensions to their period of study.

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Abstract

Conventional ferronickel smelting has five main steps: Drying, calcination, prereduction, smelting and refining. In the scope of the current work, smelting experiments were conducted using Sivrihisar laterite ores (1.26% Ni) of Turkey. The ore samples previously subjected to drying, calcination and prereduction stages were smelted in alumina crucibles in a laboratory-scale horizontal tube furnace under argon atmosphere. Smelting experiments were performed at 1500, 1550 and 1600°C. The amount of excess coal used in prereduction step was another variable. Sivrihisar laterite ore is a limonitic one with low MgO composition. Therefore, MgO was added to the smelting charge as a flux. The effects of experimental variables on metal Ni content and slag composition were investigated.

Description

Div. Miner., Met. Mater. Soc. (TMS); Pyrometallurgy Comm. Energy Comm. Extr. Process.

Keywords

Ferronickel, Laterite, Smelting

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3

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TMS Annual Meeting -- 3rd International Symposium on High-Temperature Metallurgical Processing - TMS 2012 Annual Meeting and Exhibition -- 11 March 2012 through 15 March 2012 -- Orlando, FL -- 89574

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Start Page

491

End Page

498

URI

https://doi.org/10.1002/9781118364987.ch59
 https://hdl.handle.net/20.500.14411/3682

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Scopus