Refineries in India are working to find ways to deal with the hazardous residue created from bauxite during the alumina production process, according to the president of the International Bauxite, Alumina and Aluminium Society.
Vinod Sood said that the residue, known as "red mud," is highly alkaline and its storage creates serious environmental concerns."There is now environmentally friendly disposal of bauxite residue by filtration at high solids implemented at refineries operated by Vedanta, Hindalco's Utkal and Muri refineries, and the new Anrak refinery -...