CAS Key Laboratory of Green Process and Engineering;
Institute of Process Engineering;
Chinese Academy of Sciences;
Beijing 100190;
China;
National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology;
Institute of Process Engineering;
Chinese Academy of Sciences;
Beijing 100190;
China;
University of Chinese Academy of Sciences;
Beijing 100049;
China;
RH Mining Resources Limited;
Hong Kong;
China;
Acid-leaching tailings; Red mud; Waste treatment; Sintering; Preparation; Lightweight aggregate;