Sponge Iron Plant (Rotary Kiln) - State Pollution Control Board

The Environment (Protection) Rules, 1986 515
1 [99. SPONGE IRON PLANT (ROTARY KILN)
A. Emission Standards*
Particulate
matter
Carbon
Monoxide
(Vol/Vol.)
Fuel Type Limiting value
for
concentration
Coal 100 mg/Nm 3
Gas 50 mg/Nm 3
Coal/gas 1%
(De-dusting unit)
Stack
Height**
(minimum)
Coal/gas 30.0m
Note:-
* Emission shall be normalized at 12% CO 2 in
stack emission,
** Stack height shall be calculated as H=14.0 Q 0.3
where Q is emission of Sulphur Dioxide (SO 2 ) in
kg/hr. i.e.
SO 2 (kg/hr) Height
(Meter)
Upto 12.68 30
12.69-33.08 40
33.09-69.06 50
69.07-127.80 60
127.81-213.63 70
Particulate
matter (mg/m 3 )
Existing unit
100
New Unit
50
Note:-
(i) Stack attached to de-dusting unit l
have minimum height of 30.0 metre.
(ii) If, De-dusting unit is connected to
After Burner Chamber (ABC),
emission shall be emitted through
common stack (minimum height 30.0
metre) having separate arrangements
for emission monitoring for dedusting
unit.
1
Inserted by Rule 2 (i) of the Environment (Protection) Fourth Amendment Rules, 2008 notified by G.S.R.414(E), dated
30.5.2008.

516
The Environment (Protection) Rules, 1986
(Rotary Kiln/Dedusting
unit)
B. Fugitive Emission Standards
Particulate Existing Unit New Unit
matter
(µg/m 3 ) 3000 2000
Note:-
(i) the existing industry shall comply
with a standard of 2000 (µg/m 3 ) after
one year from the date of notification.
(ii) Fugitive emission shall be monitored
at a distance 10.0 metre from the
source of fugitive emission as per
following:
Area
Monitoring location
Raw material Wagon tippler, Screen area,
handling area Transfer points, Stock bin
area
Crusher area Crushing plant, vibrating
screen, transfer points
Raw material Feeder area, Mixing area,
feed area Transfer Points
Cooler discharge
area
Over size discharge area,
Transfer points
Product Intermediate stock bin area,
processing area Screening plant, Magnetic
separation unit, Transfer
points, Over size discharge
area, Product separation area,
Bagging area
Other areas As specified by State
Pollution Control Board/
Pollution Control
Committees.
C. Effluent Standards
pH 5.5-9.0
Total suspended
solids
Oil & Grease
Chemical oxygen
demand
100mg/l
10 mg/l
250mg/l

The Environment (Protection) Rules, 1986 517
Note:-
(i)
(ii)
All effort shall be made to reuse and
re-circulate the water and to maintain
‗Zero discharge‘.
Stormwater drain shall be provided
within the premises of the industry so
as to avoid mixing with effluent].
1 [100. COMMON HAZARDOUS WASTE INCINERATOR
A. Emission
Limiting
concentration
in mg/Nm 3
unless stated
Particulate Matter 50 30
HCL 50 30
SO 2 200 30
CO 100 30
Total
Carbon
Organic
Sampling
Duration in
(minutes)
unless stated
50 24 hours
20 30
HF 4 30
400 30
NOx (NO and
NO 2
NO 2, expressed as
Total dioxins and
furans
Cd+Th+their
compounds
Hg and its
compounds
Sb+As+Pb+Co+
Cr+Cu+Mn+Ni+
V+their
compounds
0.1
ngETQ/Nm 3
8 hours
0.05 2 hours
0.05 2 hours
0.50 2 hours
1
Inserted by Rule 2 of the Environment (Protection) Fifth Amendment Rules, 2008 notified by G.S.R.481(E), dated
26.6.2008.