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has been cited by the following article:

• TITLE: Process Mineralogy of Iranian High Sulfur Iron Ore

  AUTHORS: Tonglin Zhao, Xiaoli Wang, Hongle Ai, Ahmed Sobhy

  KEYWORDS: High-Sulfur Iron Ore, Process Mineralogy, Magnetite, Pyrite

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.6 No.4, July 24, 2018

  ABSTRACT: Processing of Iranian high sulfur iron ore is problematic in minerals industry. The iron ores were studied by the means of polarizing microscopy, chemical analysis, X-ray diffraction. The study shows that the iron ores have high grade of iron, and complex structures. XRD showed that the iron ore consists of metallic minerals such as magnetite with a small amount of hematite and limonite and non-metallic minerals as serpentine, chlorite, and talc. The average particle size of magnetite crystals is 0.182 mm. The ore contains 1.62% sulfur as harmful impurity in form of pyrite mineral. Due to the isomorphism of magnesium and iron, magnetite mono crystal grade is lower than 68%, and difficult to be physically upgraded to a higher-grade iron concentrate using the available mineral processing technologies.