Issues |
Action
Points |
Targets |
| Technology |
Allowing
new Potlines only with Pre-baked Technology |
Environmental clearance for new potlines to be given by MoEF,
after June 2003, only with pre-baked technology.
|
| Fluoride Emissions |
Prescribing maximum size of the plant
Revision of fluoride emission standards
Phasing out Wet Scrubbing System for fluoride
Allowing new Potlines only with Dry Scrubbing System
Monitoring of fugitive emissions from pot rooms
|
Maximum size of the plant shall be decided based on the assimilative
capacity of each plant location.
For Soderberg Technology 2.8 kg/t by December 2005
[1.0 kg/t (VSS) & 1.30 kg/t (HSS) by December 2010]*
For Pre-baked Technology 0.8 kg/t
By December 2006
Environmental clearance for new potlines shall be given
by MoEF, after June 2003, only with Dry Scrubbing System.
To start with Indal or any other better method & submit
data from January 2004, regularly to SPCBs & CPCB
|
| Fluoride Consumption |
Fluoride consumption per tonne of aluminium produced (as
F) |
[For Soderberg Technology 15 kg/t by December 2005
For Pre-baked Technology 10 kg/t by December 2005]*
|
| Ambient Fluoride |
Forage fluoride standards
Measurement of forage fluoride |
• Twelve consecutive months average - 40 ppm
• Two consecutive months Average – 60
ppm
• One month – 80 ppm
To start monitoring and submit data from January 2004,
regularly to SPCBs & CPCB. The locations of monitoring
may be selected in collaboration with SPCBs & CPCB
|
| Spent Pot Lining (SPL) |
Setting up a centralized SPL treatment & disposal facility
with aluminium fluoride recovery and utilization of SPL
in steel / cement industries
Limit for pot life (for new pots installed after December
31, 2003
SPL (Carbon & Refractory) to be disposed in Secured
Landfill
|
[Proposal to be prepared]*
[2500 days (average)]*
With immediate effect |
| Red Mud |
Phasing out Wet disposal
Red Mud Utilisation |
To achieve minimum 50% solids in red mud by Dec 2005
A proposal for practical utilisation to be prepared by
Aluminium Association of India within six months
|
| Anode Baking Oven |
Achieving particulate matter limit of 50 mg/Nm3 |
By Dec. 2005 |
*
National Task Force will submit the proposal within
three months |
