Ashfa ka ppt

The document summarizes red mud, a waste product generated during aluminum production via the Bayer process. Red mud is a complex, alkaline slurry containing iron oxide (30-60%), aluminum oxide (10-20%), silica (3-50%), and other compounds. Approximately 1-2.5 tons of red mud is created for every ton of alumina. Red mud poses various environmental problems and is typically stored in disposal areas, with current methods including sea water discharge, lagooning, and dry stacking. The document also briefly outlines the Bayer process and notes that red mud has potential applications in areas like building materials and cement production.