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has been cited by the following article:

• TITLE: Kinetics of Direct Reduction Titanomagnetite Concentrate Briquette Produced from Rossetta-Ilmenite via Hydrogen

  AUTHORS: Naglaa Ahmed El-Hussiny, Atef El-Amir, Saied Thabet Abdel-Rahim, Khaled El hossiny, Mohamed El-Menshawi Hussein Shalabi

  KEYWORDS: Titanomagnetite, Ilmenite Hydrogen, Reduction Kinetics

  JOURNAL NAME: Open Access Library Journal, Vol.1 No.5, August 12, 2014

  ABSTRACT: Reduction kinetics of titanomagnetite concentrate briquettes produced from Rossetta-llmenite ore via 1.5 liter/min hydrogen flow rate were investigated at different temperatures ranging from 600℃ to 950℃. It was found that the best reduction properties were found at 950℃, so the kinetic models shown by the briquettes at this temperature maybe: Diffusion control or Diffusion through ash layer (crank-cinslling-Broushten equation). And the apparent activation energy calculated for these models was 33.223 and 30.389 kJ/mole respectively. Also the main crystalline phases of reduced briquettes at 950℃ were metallic iron (syn. Fe), rutile (syn. TiO2) and some traces of magnetite (Fe3O4).