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[Cites 0, Cited by 0] [Section 78] [Entire Act]

Union of India - Subsection

Section 78(3) in The Environment (Protection) Rules, 1986

(3)
(i)0.50 per cent by mass by 1st April 1996 in four metros and Taj Trapezium;
(ii)0.25 per cent by mass by 1st October, 1996 in Taj Trapezium;
(iii)0.25 per cent by mass by 1st April, 1996 throughout the country.
Note. - (a) Above specifications apply to HSD only.
(b)For new refineries coming during or after 1997 specification applicable by 2000 for existing refineries shall be applicable by 1997.
(c)"P" refers to parts of IS:1448.
Sl. No. Industry Parameter Standards
      New Batteries (at Green Field Site) Rebuild Batteries Existing Batteries
79. [] [Substituted by G.S.R. 46(E), dated 3-2-2006 (w.e.f. 3-2-2006).] Coke oven plants (by product recovery type) Fugitive Visible Emissions      
    (a) Leakage from door 5 (PLD)* 10 (PLD)* 10 (PLD)*
    (b) Leakage from charging lids 1 (PLL)* 1 (PLL)* 1 (PLL)*
    (c) Leakage from AP Covers 4 (PLO)* 4 (PLO)* 4 (PLO)*
    (d) Charging emission (second/charge) 16 (with HPLA)* 50 (with HPLA)* 75
    Stack Emission of Coke Oven      
    (a) SO2(mg/Nm3) 800 800 800
    (b) Nox(mg/Nm3) 500 500 500
    (c) SPM (mg/Nm3) 50 50 50
    (d) SPM emission during-charging-for stamp charging batteries (stack emission (mg/Nm3) 25 25 25
    (e) SPM emission during coke pushing (stack emission) gm/ton of coke 5 5 (applicable to stationary land based system) -
    (f) Sulphur in Coke Oven gas used for heating (mg/Nm3) 800 - -
    Emission for quenching operation      
    (a)Batteryarea (top of the battery) 5 5 5
    (b) Other units in coke oven plant 2 2 2
    (c) Ambient air standards (mg/Nm3) 10 10 10
For control of emissions and to maintain environmental quality in work zone area, the following guidelines shall be followed, namely:-
(i)New coke oven units shall follow any of the low-emission procedures, such as, coke dry cooling, non-recovery coke-ovens. Indirect Quenching Process, Jumbo coke oven reactor, modified Wet Quenching System with appropriate environmental controls (e.g., baffles, filtering media, collection and treatment of residual water from quench tower and recycling; Treated effluent conforming to the effluent discharge standards can be used for quenching, Use of untreated process water as quenching water shall not be permissible).
(ii)Effective pollution control measures (for e.g., Extensive maintenance and cleaning of oven doors and frame seals, ascension pipes, charging holes and lids and other equipment; On-main charging system(HPLA);
Luting charging holes with clay-suspension; Modified guide/transfer car with emission control system, etc., shall be used to reduce coal charging and coke pushing emissions.
(iii)During rebuilding or installing new coke oven batteries, the following clean technology and pollution control measures be adopted:
(a)air-cooled self-sealing dorrs;
(b)the hydro-jet cleaning system shall be provided for the door and door frame cleaning with a facility of hydro jet pressure of 600kg/cm2;
(c)the charging should be accomplished wiht hermetically sealed charging sleeves and screw feeder in charging car. The charging car. The charginh car should also be equipped with magnetic lid lifter and lid an frame cleaning mechanism (applicable to top charging batteries);
(d)to provide aspiration through high-pressure ammonia liquor (HPLA) injection in goose neck and emission should be transferred directly to gas collecting mains;
(e)water sealed AP covers should be provided;
(f)computerised combustion control and moisture control systems.
(iv)In addition to the above the new coke oven batteries, which will be installed after the date of publication of this notification at green field site and rebuild batteries wherever technically feasible should also be equipped to treat their pushing emission with stationary land-based system with collection hood and wet scrubbing units for gas cleaning.
(v)In the case of existing coke ovens with wet quenching, the new procedures as in (i) and (ii) shall be adopted.
(vi)The fugitive visible emission standards, i.e., PLD*, PLL* and PLO*, charging emission (second/charge).
Note. - Units set up after the publication of this notification shall be treated as new units.
*HPLA Aspiration through high pressure liquor injection in goose neck.
*PLD Percent leaking doors;
*PLL Percent leaking lids; and
*PLO Percent leaking off takes.