Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 100: Issue 1
Phase transformations of nickeliferous laterites during preheating and reduction with carbon monoxide
Authors:
Emmanuel Zevgolis National Technical University of Athens School of Mining and Metallurgical Engineering Polytechnioupoli Zografou 15780 Athens Greece

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Charalabos Zografidis National Technical University of Athens School of Mining and Metallurgical Engineering Polytechnioupoli Zografou 15780 Athens Greece

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Theodora Perraki National Technical University of Athens School of Mining and Metallurgical Engineering Polytechnioupoli Zografou 15780 Athens Greece

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Eamonn Devlin NCSR Demokritos Ag. Paraskevi 15310 Athens Greece

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Pages:
133–139
Online Publication Date:
28 Aug 2009
Publication Date:
01 Apr 2010
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-009-0198-x
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Abstract  

This article refers to the mineralogical composition and phase transformations of Greek nickeliferous laterites and to their metallurgical behaviour, during preheating and reduction with carbon monoxide. Transformation of goethite to hematite and decomposition of chlorite and serpentine, were identified during preheating. Higher iron metallization was achieved for the ore in which goethite is the main iron mineral and reduction goes up to 95%, whereas it goes up to 50% for the ore in which hematite is the main iron mineral. The higher reducibility, however, seems to be due to the higher specific surface area of the goethitic type of ore.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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