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2nd Phase Expansion of Alumina Refinery
2nd Phase Expansion of Alumina Refinery
  • Project Summary
  • Unique Challenges
  • Achievements
Phase Expansion of Alumina Refinery

NALCO., Damanjodi (Odisha)

Mode of Execution    
EDP, FEED & Project Management Services

Key Features     

  • Overall Capacity :  

Brown field 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

42 Months

Phase Expansion of Alumina Refinery

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



  • 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.

150 nos. of vendors dealt with for procurement.




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


Phase Expansion of Alumina Refinery

No Loss Time Accident.