关键词: 拜耳法赤泥, 建筑材料, 环境材料, 氧化铝

Abstract: Red mud is an solid residue discharged from the production process of alumina.Its composition and properties varies with the different types of bauxite and production processes.Research status of red mud utilized in the fields of low value-added building materials and environmental pollution treatment as well as the research of recovering valuable metals from red mud was reviewed respectively.In addition, according to the present utilization status of red mud from Bayer process, a new technology of comprehensively and high-efficiently reusing red mud was proposeds.

Key words: red mud of Bayer process, building materials, environmental materials, alumina