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Minerals 2016, 6(4), 99; https://doi.org/10.3390/min6040099

Microwave-Absorbing Characteristics and XRD Characterization of Magnetic Separation Products of Reductive Products of Ilmenite Concentrate

1
Faculty of Science, Kunming University of Science and Technology, Kunming 650093, China
2
Key Laboratory of Unconventional Metallurgy, Ministry of Education, Kunming University of Science and Technology, Kunming 650093, China
*
Authors to whom correspondence should be addressed.
Academic Editor: William Skinner
Received: 9 July 2016 / Revised: 4 August 2016 / Accepted: 17 August 2016 / Published: 27 September 2016
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Abstract

The microwave absorbing characteristics of magnetic separation products (magnetic and non-magnetic) of reductive products of ilmenite concentrate were measured by the method of microwave cavity perturbation and the magnetic separation products were characterized by X-Ray Diffraction (XRD). It was demonstrated that metallic iron was a strong microwave absorbing material, while TiO2 was a weak microwave absorbing material. The decrease of a strong microwave absorbing material and an increase of weak microwave absorbing material resulted in the great decrease of microwave absorbing characteristics of magnetic products by using a current intensity from 2.5 to 3.0 A. FeTi2O5 was a strong microwave absorbing material, the increasing content would lead to the significant increase of the microwave absorbing characteristics of non-magnetic products by using a current intensity from 2.0 to 4.0 A. The conclusions could help us to optimize the ilmenite concentrate processing by microwaves and microwave cavity design. View Full-Text
Keywords: microwave-absorbing characteristics; magnetic separation; ilmenite concentrate; XRD characterization microwave-absorbing characteristics; magnetic separation; ilmenite concentrate; XRD characterization
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Wang, X.; Li, W.; Zhang, L.; Peng, J. Microwave-Absorbing Characteristics and XRD Characterization of Magnetic Separation Products of Reductive Products of Ilmenite Concentrate. Minerals 2016, 6, 99.

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