Reduction of Magnetite in the Presence of Activated Carbon Using Mechanical Alloying-Reference-Cited by-同舟云学术

Reduction of Magnetite in the Presence of Activated Carbon Using Mechanical Alloying

Published:2013 Issue: Volume:2013 Page:1-8
ISSN:2090-9063
Container-title:Journal of Chemistry
language:en
Short-container-title:Journal of Chemistry

Author:

Moloto Ledwaba Harry¹²,Manzini Sunnyboy Stanley²,Dikio Ezekiel Dixon¹

Affiliation:

1. Applied Chemistry and Nanoscience Laboratory, Department of Chemistry, Vaal University of Technology, P.O. Box X021, Vanderbijlpark 1900, South Africa

2. Material Science Department, Sasol Technology, Sasolburg, South Africa

Abstract

The reduction behaviour of magnetite using graphite under ball-milling conditions (using a planetary mono mill, Fritsch Pulverisette 6) has been investigated. The reaction of magnetite and graphite at different milling conditions leads to the formation of Fe2+and Fe3+species, the former increasing at the expense of Fe3O4. Fe3O4completely disappeared after a ball to powder ratio of 50 : 1 and beyond. The Fe2+species were confirmed to be due to FeO using Mössbauer Spectroscopy and X-ray diffraction techniques. Scanning electron microscopy and transmission electron microscopy analyses confirm the reduction of magnetite to wüstite.

Funder

Vaal University

Publisher

Hindawi Limited

Subject

General Chemistry

Link

http://downloads.hindawi.com/journals/jchem/2013/837649.pdf

Reference14 articles.

1. Intensive Improvement of Reduction Rate of Hematite-Graphite Mixture by Mechanical Milling.

2. Mössbauer and X-ray studies of Fe-powder mechanically alloyed with C using power ultrasonics

3. Structure and properties of Fe–6.67% C alloy obtained by mechanical alloying

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