Aluminum

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  • In aluminum sector, to become a designated consumer the threshold limit is 7500 toe and in PAT cycle-I 10 designated consumers from Odisha, Karnataka, Jharkhand, Chhattisgarh, Maharashtra and Uttar Pradesh has been notified and their targets have already been notified.
  • Achievements under PAT Cycle-I The achieved saving for aluminium sector is 0.730 Million TOE, which is around 60 % higher than the saving target notified for 10 aluminium sector DC's. For achieving this, DC's has invested 140 Crores in various Energy Conservation Measures. The saving detail is shown in below table :

 

Table 2 : Energy Savings in Aluminium Sector

S.No

Sector

Notified DCs

Energy Consumption (MTOE)

Target (MTOE)

Achieved (MTOE)

0% increase

  1.  

Aluminium

  1.  

7.71

0.456

0.730

60%

 

  • Best Practices & Technology up gradation:

For achieving the target, Designated Consumer's has commissioned variety of projects; from this some are best practices that were commissioned during PAT cycle 1. The following are the list of best practices that was followed:

  • Implementation of slotted anode in pots
  • Eco-contact to reduce voltage drop at conductor joints
  • Use of self-developed fuel “CRYSTAL" additive for dozing inside the furnace
  • STAL" additive for dozing inside the furnace Intelligent soot blowing system
  • Installation of VFD
  • Installation of High efficient screw compressor

 

In addition from these technologies, behavior changes were also observed. The plants opted for better operational practices like switching off cooling tower fans as per need, stoppage of driers in service air system, Interconnection of pump's, installation of efficient pumping system, modification of compressed air system, CPP's R&M, optimization, Bokela modification etc.

 

LIST OF DCs