School of Metallurgy;
Northeastern University;
Shenyang 110819;
Liaoning;
China;
School of Material Science and Engineering;
Dalian Jiaotong University;
Dalian 11602& Liaoning;
China;
Liaoning Key Laboratory for Metallurgical Sensor and Technology;
Northeastern University;
Shenyang 110819;
Liaoning;
China;
School of Resources and Materials;
Northeastern University at Qinhuangdao;
Qinhuangdao 066004;
Hebei;
China;
Department of Chemical & Biomolecular Engineering;
University of Melbourne;
Melbourne 3010;
VIC;
Australia;
High-iron; bauxite; Ammonium; sulfate; Roasting; Reaction; process; Kinetics;