Management of Red Mud

Abstract

There is no commercial use of red mud and utilisation of red mud is still on experimental basis. However, red mud tiles, sheets, bricks, doors, windows etc. are developed but are yet to be promoted for regular use. Red mud can also be used for pigment manufacturing. Since no comme-rcial utilisation of red mud is established, this is to be disposed off. Further, the red mud contains traces of caustic, it is essential to dispose it off in the most environment friendly manner and to allow proper rehab-ilitation of land filled up with disposed mud. In the present paper, available mud disposal techniques which are being, practised in alumina refineries worldwide have been discussed.Further, on-going R&D efforts towards potential uses of red mud have also been presented.