| EFFLUENT
MANAGEMENT (EN12) Wastewater from
process is being treated with best available physio-chemical methods and recycled in the
process. Wastewater from coke plant is treated biologically where organic pollutants are
oxidized and decomposed by microorganisms. Consumption of water (7.00 m3/tss) and
discharge of wastewater (5 m3/tss) are much lower than the legal norms of 20 m3/tss &
16 m3/tss respectively.
The levels of total pollutant discharge in
the wastewater streams have reduced considerably at various locations as shown in the
boxes. The absolute effluent quantities and pollution loads from the Steel Works are
furnished in the box. Noamundi, Joda Mines & Collieries do not discharge any overflow
from the Slime/Tailing Dams. Quality parameters for treated sewage are furnished in SO-1
under Section-6.0 (Water Management).
|
|
Absolute quantities
of pollutants & effluents from
Steel Works |
| Parameter |
01-02 |
02-03 |
03-04 |
Effluent generation
(million m3) |
10.23 |
10.4 |
904 |
| Total Suspended
Solids (tonnes) |
597.84 |
628.76 |
656.78 |
Oil & Grease
(tonnes) |
19.15 |
27.48 |
20.10 |
Ammonia
(tonnes) |
104.06 |
77.35 |
71.26 |
Cyanide
(tonnes) |
0.996 |
0.91 |
0.83 |
Phenol
(tonnes) |
0.16 |
0.89 |
1.25 |
|
