Improved Flotation of Oolitic Hematite Ore Based on a Novel Cationic Collector

Zhi Qiang Rao; Yu Shu Zhang; Yong Chao Jibn

doi:10.4028/www.scientific.net/AMM.303-306.2713

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 303-306Improved Flotation of Oolitic Hematite Ore Based...

Improved Flotation of Oolitic Hematite Ore Based on a Novel Cationic Collector

Abstract:

Oolitic hematite and limonite in the ore integrate closely with fine particles of collophanite, quartz, chamosite, calcite and chalcedony to form concentric ring structure, making the separation of the minerals extremely difficult. The results indicated that the flotation separation efficiency with most cationic collectors such as dodecylamine, ether amine, GE601 or GE609 was not satisfactory. However, a novel cationic collector for silicon removal, EM506 was found to be specifically selective to separate the gangue minerals from the iron ore with an increase of TFe grade from 49％ to more than 58% and a recovery of TFe greater than 96%, which provided a promising approach for the beneficiation of the refractory oolitic hematite ore.

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Periodical:

Applied Mechanics and Materials (Volumes 303-306)

Pages:

2713-2716

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.303-306.2713

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Online since:

February 2013

Authors:

Zhi Qiang Rao, Yu Shu Zhang, Yong Chao Jibn

Keywords:

Collector, EM-506, Flotation, Oolitic Hematite, Silicon

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