2nd Phase Expansion of Alumina Refinery

Key Features

• Overall Capacity :Brownfield smelter capacity augmentation from 1.575 MMTPA to 2.1 MMTPA.
• Major Processing Units: Stacker & Reclaimer, Crushing & Grinding, Pre/Post Desilication, Digestion, HRD/DCW, Security Filter, Precipitation, Heat Exchanger, Calcination, Evaporation etc.
• Other facilities: Caustic Soda Unloading from Ship at Vizag Port and Wagon unloading facilities at Plant.
• Total Project Cost: Rs.1350 Crore
• Schedule: 42 Months

Process: Caustic Effluent Disposal & Red Mud disposal system leading to Zero Effluent discharge

Engineering

• Introduction of state-of-the-art technology i.e. HRD/DCW, Diaster Filter, Vibrating Grinder thereby reducing the losses.
• Engineering & design of Tanks up to the capacity of 4500 M3 and 35 M in heights.
• Centralized compressed air system designed to cater the requirement of compressed air for better logistics, cost benefit & low maintenance.

Procurement: 150 nos. of vendors dealt with for procurement.

Construction

• 40 nos. of contractors engaged at site including package contractors.
• Difficult geographical location and hilly terrain coupled with heavy rainfall posed considerable challenges.