divine alloys ffini tel fax email - welcome to...

DIVINE ALLOYS & POWER CO. LTD.ffini - ag+oot (Jharkhand)

+91-651-2330798, 2331860, 3207559' Fax : +91-651-2330798

[email protected] ' Website : www divtnegroup'0rg ln

H.O :

Tel .

Email:

To,

Member SecretarY,

Expert Appraisal Committee ( lndustry-1-),

Ministry of Environment, Forest & Climate Change

lndira ParyavaranBhawan, Ali Ganj, JorBagh Road

New Delhi- 110 003

Date-04.01.2017

Sub:Reply to the observations made by 10th Reconstituted Expert Appraisal Committee

during EAC meeting held on 2gthAugust, 2016 regarding Environmental Clearance for

Expansion of M/s Divine Alloys & Power Co. Limited an lntegrated Steel Plant at

Village Palgam, Kaushalgarh, chowka-Kandra Road, P.o. Ghatdulmi, Tehsil chandil,

District Saraikela-Kha rsawa n, J ha rkhand.

Ref . 1. F. N o-J-1 101 L I 492 I ?,oL-tA. I I (l ) .dated L3.04'20LL

2. Minutes of meeting of the lgth Reconstituted Expert Appraisal Committee held on

29th -3lndAugust, 2015

Dear Sir,

sub the poi below:lyln tho ferpnce to the above cited sublect nt wlse ep

S.No" Observation Reply

1. Title of the project should be revised

and submitted.

The revised title name of the project is:

Capacity expansion of M/s Divine Alloys &

Power Co. Ltd, for production of 2,06,000 TPA

Rolled product from the existing capacity of

2L,OOO for Production of MS lngot bY

installation of Mini lntegrated Steel Plant at

P.O. Ghatdulmi, Tehsil- Chandil, District

Saraikela-Kharsawan, J ha rkhand'

2. Coal linkage details should be

provided.

M/s DAPCL shall buy the coal through the e-

auction from MSTC Ltd. DAPCL is registered

with MSTC Limited for participation in e-

auction, The coal registration and l-card issued

by MSTC for participation in e-auction is valid

till 23.06.2017.

The registration letter along with identity-card

& renewal letter are enclosed as Annexure-l.

R.gdrcffi* ., Bb"k - D, 139, Regent Estate, 1761141139, Raipur Road, Kolkata - 700 092 (West Bengal)

WORKS: Raidih-patgam, Kaushalgarh, Chowka Kandra Road, PS:Chowka, DT:Saraikela'832401(Jharkhand)

,(,,?\$ry

P-Iv INEA!-LPJ-9 g f g WP E Q -oJ TP.H.O. : 'DlVlNE HOUSE' Club Road, Ranchi - 834001 (Jharkhand)

Iel. : +91-651-2330798, 2331860, 3207559' Fax : +91-651-2330798

Email: [email protected] . Website : www.divinegroup.org.in

S.No. Observation Reply

3. Contour map of the area should be

superimposed on the layout map and

submitted.

Contour map of the area, superimposed on the

layout map is enclosed as Annexure-2.

4. Submit the numbers of bag filtersinstalled in the existing plant and

proposed for thepro.posed expansion

project.

The details of Bag filters are enclosed as

Annexure - 3.

5. The air quality monitoring site map

shown during the meeting should be

revised and submitted.

Revised Air Quality Monitoring Station Maps

for Ambient Air quality data collected during

March-May,2016 is enclosed as Annexure- 4.

6. The predicted values for the air

quality parameters should be

rechecke"d,

The revises Air Quality Modelling Report is

enclosed as Annexure- 5.

7. Quantitative assessment ofequipments to be installed at each

source of pollution should

be mentioned in tabular format.

Quantitative assessment of pollution controi

equipment along with Cost estimate for the

Pollution control equipment is enclosed as

Annexure-6.

8" Water balance statement should be

revised and submitted. A schematic

water balance

Diagram should be prepared and

submitted.

Revised Water Balance in form of schematic

diagram is enclosed as Annexure- 7. i

l

I

9. Revised layout plan indicating thewater harvesting structure should be

submitted.

Revised layout plan indicating the waterharvesting structure is enclosed as Annexure -2.

L0" Approval letter from the irrigationdepartment/concerned departmentfor drawl of water from the river

along with its quantity should be

submitted.

Permission for withdrawal of Surface waterfrom Swranrekha river and ground waterwithdrawal are enclosed as Annexure - 8.

Regd. Office : Block - D, 139, Regent Estate, 1761141139, Raipur Road, Kolkata . 700 092 (West Bengal)

WORKS: Raidih-Palgam, Kaushalgarh, Chowka Kandra Road, PS : Chowka, DT : Saraikela-832401 (Jharkhand)

i-

DIVINE ALLOYS & POWER CO. LTD.H.O. : "DlVlNE H0USE'Club Road, Ranchi - 834001 (Jharkhand)

Tel. : +91-651-2330798, 2331860, 3207559' Fax : +91-651-2330798

Email : [email protected] . Website : www.divinegroup.org.in

We hope you would find the same in order and kindly take up our case in next EAC meeting.

Thanking You,

For Divine Alloys & Power Co. Limited.

Directorlq

Regd. Office: Block - D, 139, Regent Estate, 1761141139, Raipur Road, Kolkata - 700 092 (West Bengal)WORKS : Raidih-Palgam, Kaushalgarh, Chowka Kandra Road, PS : Chowka, DT : Saraikela-832401(Jharkhand)

S.No. Observation Reply

1,1,. Technical details of the settling pond

proposed at the Coal washery should

be submitted.

The technical and process details for settling

ponds of the proposed Coal washery is

enclosed as Annexure - 9.

1.2. Project Proponent will provide a list

of flora and fauna in the area duly

authenticated (bythe Forest

Department or any other competentauthority) with a view to ensuring

their Conservation,

List of Flora & Fauna, duly authenticated by the

Forest Department is enclosed as Annexure -10. No, Site Specific wild life conservation is

envisaged. However, any majeure for Bio-

diversity conservation proposed by the

concerned department will be complied,

Annexure 1Annexure 1

Anneuxre 1

Annexure 1

Vardan Environet <[email protected]>

Fwd: Extension of Coal buyers Registration validity Anshul Yadav <[email protected]> Sat, Dec 24, 2016 at 12:05 PMTo: Vardan Environet <[email protected]>, Krishna Mohan Khare <[email protected]>

Dear Kaunain,

This should be incorporate in the divine alloys reply (Coal Linkage) point.

Best Regards Anshul Yadav | Vardan EnvironetD: +91 124 4270965 | M: +91 9953 147 268

Forwarded message From: S K Misra <[email protected]>Date: Sat, Dec 24, 2016 at 11:59 AM Subject: Fwd: Extension of Coal buyers Registration validityTo: [email protected]

Dear Anshul Jee !

Kindly find here under the mail from MSTC, regarding validity of registration. This is for your kind perusal.

Regards,

Misra S.K.

Forwarded message From: <[email protected]>Date: Fri, Dec 23, 2016 at 11:34 AM Subject: Extension of Coal buyers Registration validityTo: [email protected]

Dear Sir/Madam,

With reference to Coal India Ltd (CIL) letter dated 21.12.2016; this is to inform that your coal registration validity hasbeen extended for six month i.e 23.12.2016 to 23.06.2017. Accordingly, your login validity has also been extendedup to 23.06.2017.

The existing Icard issued by MSTC shall remain valid till 23.06.2017. A line of confirmation in this regard shall becommunicated to all Coal Subsidiary companies.

All the above actions have been done on the basis of CIL letter. If any changes by CIL in future, we shall inform youthe same in due course.

Regards

FromMSTC eAuction Team

Annexure 1

mailto:[email protected]




Annexure 2

ANNEXURE-3 LOCATION OF BAG FILTERS

Sl. No.

Location No. of Bag-Filters Units

Purpose

Induction Furnace (Existing)

1 1x 5 T 1 To control process emissions. Stack emissions shall be <50 mg/Nm3

Coal Washery

2 Coal Crushing Unit 1 To control fugitive emissions. Stack emissions shall be <50 mg/Nm3

Coke Ovens

3 Coke Crushing Unit 1 To control fugitive emissions. Stack emissions shall be <50 mg/Nm3

4 Coke handling areas 1 To control fugitive emissions. Stack emissions shall be <50 mg/Nm3

Sinter Plant

5 Sinter Crushing, Cooler & Product

1 To control fugitive emissions. Stack emissions shall be <50 mg/Nm3

Sponge Iron Plant

6 Coal Crusher 1 To control fugitive emissions. Stack emissions shall be <50 mg/Nm3

7 Coal Handling Area 1 To control fugitive emissions. Stack emissions shall be <50 mg/Nm3

8 Iron Ore Handling Area 1 To control fugitive emissions. Stack emissions shall be <50 mg/Nm3

9 Cooler Discharge 1 To control fugitive emissions. Stack emissions shall be <50 mg/Nm3

10 Product House 1 To control fugitive emissions. Stack emissions shall be <50 mg/Nm3

Blast Furnace

11 After dust catcher with 35 m3 BF 1 For cleaning of BF gas

12 After dust catcher with 125 m3 BF

1 For cleaning of BF gas

Basic Oxygen Furnace

13 With converter 1 To control process emissions. Stack emissions shall be <50 mg/Nm3

Sl. No.

Location No. of Bag-Filters Units

Purpose

Induction Furnaces

14 1x12 Ton Induction Furnace 1 To control process emissions. Stack emissions shall be <50 mg/Nm3

15 1x15 Ton Induction Furnace 1 To control process emissions. Stack emissions shall be <50 mg/Nm3

TOTAL 15 One (1) existing Fourteen (14) proposed

Annexure 4 (b)

AMBIENT AIR QUALITY DATA

Selection of monitoring stations

Ambient air quality was measured during the period of March 2016 to May 2016 in and around the proposed modernization project site. The primary selection of monitoring stations were done as per the environmental guidelines for setting of the Industries [published by MOEF], depending on the predominant wind direction.

A monitoring network for ambient air quality has been designed to characterize ambient air quality with respect to SO2, NO2, Particulate Matter PM2.5, PM10 and, Monitoring is conducted at eight (8) appropriate locations. At each location, 24-hour sample is undertaken twice a week for complete season. The monitoring location shall be selected based on meteorological condition and sensitive locations.

As per the MOEF guideline the first monitoring station [A1] was selected at the project site. The other station [A2] is selected at Palgam village, approx 0.5 km South West to proposed site, The other stations are at Katiya [A3] 6.3 Km East of the project site, Palna Dam [A4] is selected approx 5.75 km North West from the proposed site, Machabera (A5) is selected at the 5.6 Km west direction, Kandra (A6) is selected at 9.5 km South East, Chandil Reservoir (A7) is selected at 6.3 km North direction, and (A8) is selected as Chandil. This spot is inside the proposed project site. The location of AAQ monitoring stations are shown in below:

Study Period (March to May, 2016)

Table 1: Ambient Air Monitoring station (March – May, 2016)

S. No. Location Station Code

Distance & Direction from

project site

Latitude & Longitude Zone (core/buffer)

1 Plant site AQ1 Site 22055’10”N & 85029’28”E Core

2 Palgam village AQ2 0.5 km SW 22054’52”N & 85059’18”E Core

3 Katiya AQ3 6.34 km E 22054’30”N & 86003’05”E Buffer

4 Palna Dam AQ4 5.75 km NW 22056’21”N & 85056’20”E Buffer

5 Machabera AQ5 5.6 km W 22055’38”N & 85056’11”E Buffer

6 Kandra AQ6 9.5 km SE 22050’58”N & 86003’00”E Buffer

7 Chandil Reservoir AQ7 6.3 km N 22058’23”N & 86001’18”E Buffer

8 Chandil AQ8 7.83 Km NE 22057’11”N & 86003’35”E Buffer

Annexure 4(b)

Figure 1: Air Monitoring Map (Study Period- March to May, 2016)

Mini Integrated Steel Plant with CPP Village Palgam, District Saraikela-Khasawan, Jharkhand

ANNEXURE 5

Air Quality Modeling Report

1

DAPCL Stack and Pollution Control Equipment details:

1.0 Technical details of Bag Filter with Coal Crusher in Coal Washery

System Parameters

Air / Gas Volume (m³/hr) 22000

Inlet dust load (gm/Nm3) 15 Gr./Nm3

Dust composition Dust generated due to crushing of coal

Gas temperature 450C

Bag Filter Details

Type Pulse jet Type

Air to Cloth Ratio (m³/min.m²) 1.19

Total Filtering area (m²) 308

Bag Size (mmØ X mm long) 150 X 4000

Maximum design temperature 500C

Total no. of Bags 160

Filter Bags Material Polyester Needle felt

Outlet emission <50 mg/Nm3

Bag Cleaning

Air required 275@300 mmWC


ANNEXURE 5


2

2.0 Technical details of Bag Filter with Coke Crusher in Coke Oven Plant

System Parameters

Air / Gas Volume (m³/hr) 30,000


Dust composition Coke dust generated during crushing of coke


Bag Filter Details

Type Pulse jet Type


Total Filtering area (m²) 415.8






Bag Cleaning



ANNEXURE 5


3

3.0 Technical details of Bag Filter with Coke Handling Area in Coke Oven

System Parameters



Dust composition Coke dust generated during transportation of Coke


Bag Filter Details

Type Pulse jet Type








Bag Cleaning



ANNEXURE 5


4

4.0 Technical details of Bag Filter with Sinter Plant for Area De-dusting

System Parameters



Dust composition Sinter Dust generated during crushing, screening of sinter


Bag Filter Details

Type Pulse jet Type




ng Nter dust generated during crushiMaximum design temperature

500C




Bag Cleaning

R required 500@400 mmWC


ANNEXURE 5


5

5.0 Technical details of Bag Filter with Coal Crusher of Sponge Iron Plant

System Parameters



Dust composition Coal dust generated during crushing of coal


Bag Filter Details

Type Pulse jet Type








Bag Cleaning



ANNEXURE 5


6

6.0 Technical details of Bag Filter with Coal Circuit of Sponge Iron Plant

System Parameters



Dust composition Coal dust generated during transportation of coal


Bag Filter Details

Type Pulse jet Type








Bag Cleaning



ANNEXURE 5


7

7.0 Technical details of Bag Filter with Iron Ore Circuit of Sponge Iron Plant

System Parameters



Dust composition Iron ore dust generated during transportation


Bag Filter Details

Type Pulse jet Type








Bag Cleaning



ANNEXURE 5


8

8.0 Technical details of Bag Filter at Cooler Discharge Area of Sponge Iron Plant

System Parameters



Dust composition Sponge Iron dust generated from the cooler discharge area


Bag Filter Details

Type Pulse jet








Bag Cleaning



ANNEXURE 5


9

9.0 Technical details of Bag Filter at Product House Area of Sponge Iron Plant

System Parameters



Dust composition Sponge Iron dust generated during storage in bins and during loading for despatch


Bag Filter Details

Type Pulse jet Type








Bag Cleaning



ANNEXURE 5


10

10.0 Technical details of Bag Filter with 35 M3 Blast Furnace

System Parameters



Dust composition BF Gas


Maximum Oxygen in flue gas <8% at 1700C

Bag Filter Details

Type Pulse Jet






Bag Type Snap Band Type

Filter Bags Material Glass Fiber Needle felt

Dust in BF Gas after cleaning <40 mg/Nm3

Bag Cleaning

Bag Cleaning by Compressed Air (m3/min). 3@6 kg/cm2


ANNEXURE 5


11


System Parameters






Bag Filter Details

Type Pulse Jet






Bag Type Snap band type


Dust in BF Gas after cleaning <40 mg/Nm3

Bag Cleaning



ANNEXURE 5


12

12.0 Technical details of Bag Filter with BOF (20T)

System Parameters






Bag Filter Details

Type Pulse Jet








Outlet emissions <50 mg/Nm3

Bag Cleaning

Bag Cleaning by Compressed Air 8@6 kg/cm2


ANNEXURE 5


13

13.0 Technical details of Bag Filter with Induction Furnace (5T) - Existing

System Parameters





Bag Filter Details

Type Pulse Jet

Air to Cloth Ratio (m³/min.m²) 1








Bag Cleaning

Bag Cleaning by Compressed Air 2@6 kg/cm2


ANNEXURE 5


14

14.0 Technical details of Bag Filter with Induction Furnace (12T)

System Parameters






Bag Filter Details

Type Pulse Jet Type









Bag Cleaning

Bag Cleaning by Compressed Air (m3/min). 2.5@6 kg/cm2


ANNEXURE 5


15


System Parameters






Bag Filter Details

Type Pulse Jet Type









Bag Cleaning



ANNEXURE 5


16

16.0 Technical details of ESP with 2x100 T DRI Kilns

System Parameters

Gas Volume (Nm³/hr) 27000

Gas Volume (Am³/hr) 46780


Dust composition

Inlet Gas temperature 2000C

Moisture in flue gas (% v/v) 15%

ESP Details

Plate Area (M2) 1190.2

Number of Mechanical Fields 3

Number of Electrical Fields 3

Number of ESP Units 2

Through Velocity (meter/sec.) 0.45

Mitigation Velocity (cm./sec) 6.82

Treatment Time (seconds) 18.5

ESP Performance

Emission at outlet <50 mg kg/cm2

Efficiency % 99.8

Results


ANNEXURE 5


17

• The maximum cumulative GLC concentration of PM10 wiz. 90.66 ug/m3 was predicted inside the study area. As the distance from source increases, the incremental concentration of PM10 drops drastically due to settling of PM10 particles under gravity.

• The maximum cumulative GLC concentration of SO2 wiz. 8.11 ug/m3 was predicted inside the study area.

• The maximum cumulative GLC concentration of NOx wiz. 33.42 ug/m3 was predicted inside the study area.


ANNEXURE 5


18

Table 1 – Predicted GLC of PM10 at Ambient Air Quality Monitoring Stations

Location Code Location Name Parameter

Max Baseline

Conc. (µg/m3)

Predicted GLC (µg/m3) –

ISCST3 Model

Cumulative GLC

(µg/m3)

A1 Project Site PM10 81.30 0.78 82.08 SO2 5.80 1.10 6.90 NOx 25.70 1.49 27.19

A2 Palgam Village PM10 90.40 0.26 90.66 SO2 7.80 0.31 8.11 NOx 32.90 0.52 33.42

A3 Katiya Village PM10 87.80 0.07 87.87 SO2 6.00 0.09 6.09 NOx 25.40 0.13 25.53

A4 Palna Dam PM10 76.80 0.01 76.81 SO2 5.90 0.09 5.99 NOx 24.00 0.21 24.21

A5 Machabera PM10 73.10 0.04 73.14 SO2 5.80 0.07 5.87 NOx 21.80 0.09 21.89

A6 Kandra PM10 85.60 0.01 85.61 SO2 5.80 0.06 5.86 NOx 26.40 0.08 26.48

A7 Chandil Dam PM10 83.70 0.01 83.71 SO2 6.50 0.02 6.52 NOx 30.20 0.04 30.24

A8 Chandil PM10 55.40 0 55.40 SO2 5.80 0.008 5.81 NOx 26.50 0.01 26.51

The contour maps showing the predicted concentration levels of PM10, SO2, NOx are presented in Figure 1, Figure 2 and Figure 3.

Mini Integrated Steel Plant with CPP Village Palgam, District Saraikela -Khasawan, Jharkhand

ANNEXURE 5


19

Figure 1 – Spatial distribution of predicted GLCs of PM10

Figure 2 – Spatial distribution of predicted GLCs of SO2


ANNEXURE 5


20

Figure 3 – Spatial distribution of predicted GLCs of NOx


ANNEXURE 5


21


Air Qua

22

ANNEXURE-6

TECHNICAL DEATAILS OF BAF FILTERS 1.0 Technical details of Bag Filter with Coal Crusher in Coal Washery

System Parameters Air / Gas Volume (m³/hr) 22000 Inlet dust load (gm/Nm3) 15 Gr./Nm3 Dust characteristics Dust generated due to crushing of coal Gas temperature 450C Bag Filter Details Type Pulse jet Type Air to Cloth Ratio (m³/min.m²) 1.19 Total Filtering area (m²) 308 Bag Size (mmØ X mm long) 150 X 4000 Maximum design temperature 500C Total no. of Bags 160 Filter Bags Material Polyester Needle felt Outlet emission <50 mg/Nm3 Bag Cleaning Air required 275@300 mmWC

2.0 Technical details of Bag Filter with Coal Crusher in Coke Oven Plant

System Parameters Air / Gas Volume (m³/hr) 30,000 Inlet dust load (gm/Nm3) 20 Gr./Nm3 Dust characteristics Coal dust generated during crushing of coal Gas temperature 450C Bag Filter Details Type Pulse jet Type Air to Cloth Ratio (m³/min.m²) 1.22 Total Filtering area (m²) 415.8 Bag Size (mmØ X mm long) 150 X 3600 Maximum design temperature 500C Total no. of Bags 240 Filter Bags Material Polyester Needle felt Outlet emission <50 mg/Nm3 Bag Cleaning Air required 500@300 mmWC

ANNEXURE-6

3.0 Technical details of Bag Filter with Coke Handling Area in Coke Oven

System Parameters Air / Gas Volume (m³/hr) 10000 Inlet dust load (gm/Nm3) 10 Gr./Nm3 Dust characteristics Coke dust generated during transportation of Coke Gas temperature 450C Bag Filter Details Type Pulse jet Type Air to Cloth Ratio (m³/min.m²) 1.19 Total Filtering area (m²) 140 Bag Size (mmØ X mm long) 150 X 3600 Maximum design temperature 500C Total no. of Bags 80 Filter Bags Material Polyester Needle felt Outlet emission <50 mg/Nm3 Bag Cleaning Air required 180@300 mmWC

4.0 Technical details of Bag Filter with Sinter Plant for Area De-dusting

System Parameters Air / Gas Volume (m³/hr) 30000 Inlet dust load (gm/Nm3) 20 Gr./Nm3 Dust characteristics Dust generated during raw material handling Gas temperature 450C Bag Filter Details Type Pulse jet Type Air to Cloth Ratio (m³/min.m²) 1.2 Total Filtering area (m²) 415.0 Bag Size (mmØ X mm long) 150 X 3600 ng Nter dust generated during crushiMaximum design temperature

500C

Total no. of Bags 240 Filter Bags Material Polyester Needle felt Outlet emission <50 mg/Nm3 Bag Cleaning R required 500@400 mmWC

ANNEXURE-6

5.0 Technical details of Bag Filter with Coal Crusher of Sponge Iron Plant

System Parameters Air / Gas Volume (m³/hr) 15000 Inlet dust load (gm/Nm3) 20 Gr./Nm3 Dust characteristics Coal dust generated during crushing of coal Gas temperature 450C Bag Filter Details Type Pulse jet Type Air to Cloth Ratio (m³/min.m²) 1.19 Total Filtering area (m²) 209.0 Bag Size (mmØ X mm long) 155 X 3600 Maximum design temperature 500C Total no. of Bags 120 Filter Bags Material Polyester Needle felt Outlet emission <50 mg/Nm3 Bag Cleaning Air required 275@300 mmWC

6.0 Technical details of Bag Filter with Coal Circuit of Sponge Iron Plant

System Parameters Air / Gas Volume (m³/hr) 15000 Inlet dust load (gm/Nm3) 20 Gr./Nm3 Dust characteristics Coal dust generated during transportation of coal Gas temperature 450C Bag Filter Details Type Pulse jet Type Air to Cloth Ratio (m³/min.m²) 1.19 Total Filtering area (m²) 209.0 Bag Size (mmØ X mm long) 155 X 3600 Maximum design temperature 500C Total no. of Bags 120 Filter Bags Material Polyester Needle felt Outlet emission <50 mg/Nm3 Bag Cleaning Air required 275@300 mmWC

ANNEXURE-6

7.0 Technical details of Bag Filter with Iron Ore Circuit of Sponge Iron Plant

System Parameters Air / Gas Volume (m³/hr) 25000 Inlet dust load (gm/Nm3) 20 Gr./Nm3 Dust characteristics Iron ore dust generated during transportation Gas temperature 450C Bag Filter Details Type Pulse jet Type Air to Cloth Ratio (m³/min.m²) 1.24 Total Filtering area (m²) 335.0 Bag Size (mmØ X mm long) 155 X 3600 Maximum design temperature 500C Total no. of Bags 192 Filter Bags Material Polyester Needle felt Outlet emission <50 mg/Nm3 Bag Cleaning Air required 458@300 mmWC

8.0 Technical details of Bag Filter at Cooler Discharge Area of Sponge Iron Plant

System Parameters Air / Gas Volume (m³/hr) 15000 Inlet dust load (gm/Nm3) 10 Gr./Nm3 Dust characteristics Sponge Iron dust generated from the cooler

discharge area Gas temperature 800C Bag Filter Details Type Pulse jet Air to Cloth Ratio (m³/min.m²) 1.43 Total Filtering area (m²) 176 Bag Size (mmØ X mm long) 100 X 3600 Maximum design temperature 1000C Total no. of Bags 150 Filter Bags Material Polyester Needle felt Outlet emission <50 mg/Nm3 Bag Cleaning Air required 458@300 mmWC

ANNEXURE-6

9.0 Technical details of Bag Filter at Product House Area of Sponge Iron Plant

System Parameters Air / Gas Volume (m³/hr) 30000 Inlet dust load (gm/Nm3) 10 Gr./Nm3 Dust characteristics Sponge Iron dust generated during storage in

bins and during loading for despatch Gas temperature 800C Bag Filter Details Type Pulse jet Type Air to Cloth Ratio (m³/min.m²) 1.32 Total Filtering area (m²) 496 Bag Size (mmØ X mm long) 150 X 3600 Maximum design temperature 1000C Total no. of Bags 288 Filter Bags Material Polyester Needle felt Outlet emission <50 mg/Nm3 Bag Cleaning Air required 550@300 mmWC


System Parameters Air / Gas Volume (m³/hr) 5833 Inlet dust load (gm/Nm3) 20 Gr./Nm3 Dust characteristics Cleaning of BF Gas Gas temperature 1400C Maximum Oxygen in flue gas <8% at 1700C Bag Filter Details Type Pulse Jet Air to Cloth Ratio (m³/min.m²) 0.21 Total Filtering area (m²) 455 Bag Size (mmØ X mm long) 240 X 4000 Maximum design temperature 1800C Total no. of Bags 150 Bag Type Snap Band Type Filter Bags Material Glass Fiber Needle felt Dust in BF Gas after cleaning <40 mg/Nm3 Bag Cleaning Bag Cleaning by Compressed Air (m3/min). 3@6 kg/cm2

ANNEXURE-6


System Parameters Air / Gas Volume (m³/hr) 20833 Inlet dust load (gm/Nm3) 20 Gr./Nm3 Dust characteristics Cleaning of BF Gas Gas temperature 1400C Maximum Oxygen in flue gas <8% at 1700C Bag Filter Details Type Pulse Jet Air to Cloth Ratio (m³/min.m²) 0.2 Total Filtering area (m²) 1700 Bag Size (mmØ X mm long) 300 X 6000 Maximum design temperature 1800C Total no. of Bags 300 Bag Type Snap band type Filter Bags Material Glass Fiber Needle felt Dust in BF Gas after cleaning <40 mg/Nm3 Bag Cleaning Bag Cleaning by Compressed Air (m3/min). 6@6 kg/cm2

12.0 Technical details of Bag Filter with BOF (20T)

System Parameters Air / Gas Volume (m³/hr) 6800 Inlet dust load (gm/Nm3) 15 Gr./Nm3 Dust characteristics Cleaning of BOF Flue Gas Gas temperature 1200C Maximum Oxygen in flue gas <2% at 1700C Bag Filter Details Type Pulse Jet Air to Cloth Ratio (m³/min.m²) 1.3 Total Filtering area (m²) 87 Bag Size (mmØ X mm long) 150 X 3650 Maximum design temperature 1800C Total no. of Bags 50 Bag Type Snap Band Type Filter Bags Material Glass Fiber Needle felt Outlet emissions <50 mg/Nm3 Bag Cleaning Bag Cleaning by Compressed Air 8@6 kg/cm2

ANNEXURE-6

13.0 Technical details of Bag Filter with Induction Furnace (5T) – Existing

System Parameters Air / Gas Volume (m³/hr) 1750 Inlet dust load (gm/Nm3) 5 Gr./Nm3 Dust characteristics Cleaning of Induction Furnace Flue Gas Gas temperature 1100C Bag Filter Details Type Pulse Jet Air to Cloth Ratio (m³/min.m²) 1 Total Filtering area (m²) 32 Bag Size (mmØ X mm long) 150 X 2000 Maximum design temperature 1300C Total no. of Bags 32 Bag Type Snap Band Type Filter Bags Material Polyester Needle felt Outlet emissions <50 mg/Nm3 Bag Cleaning Bag Cleaning by Compressed Air 2@6 kg/cm2


System Parameters Air / Gas Volume (m³/hr) 2800 Inlet dust load (gm/Nm3) 5 Gr./Nm3 Dust characteristics Cleaning of Induction Furnace Flue Gas Gas temperature 1100C Maximum Oxygen in flue gas <3% at 1700C Bag Filter Details Type Pulse Jet Type Air to Cloth Ratio (m³/min.m²) 1 Total Filtering area (m²) 47 Bag Size (mmØ X mm long) 150 X 3650 Maximum design temperature 1300C Total no. of Bags 27 Bag Type Snap Band Type Filter Bags Material Polyester Needle felt Outlet emissions <50 mg/Nm3 Bag Cleaning Bag Cleaning by Compressed Air (m3/min). 2.5@6 kg/cm2

ANNEXURE-6


System Parameters Air / Gas Volume (m³/hr) 3500 Inlet dust load (gm/Nm3) 5 Gr./Nm3 Dust characteristics Cleaning of Induction Furnace Flue Gas Gas temperature 1100C Maximum Oxygen in flue gas <3% at 1700C Bag Filter Details Type Pulse Jet Type Air to Cloth Ratio (m³/min.m²) 1 Total Filtering area (m²) 60 Bag Size (mmØ X mm long) 150 X 3650 Maximum design temperature 1300C Total no. of Bags 34 Bag Type Snap Band Type Filter Bags Material Polyester Needle felt Outlet emissions <50 mg/Nm3 Bag Cleaning Bag Cleaning by Compressed Air (m3/min). 3@6 kg/cm2

16.0 Technical details of ESP with 2x100 T DRI Kilns

System Parameters Gas Volume (Nm³/hr) 27000 Gas Volume (Am³/hr) 46780 Inlet dust load (gm/Nm3) 25 Gr./Nm3 Dust characteristics Flue gas from DRI Kiln Inlet Gas temperature 2000C Moisture in flue gas (% v/v) 15% ESP Details Plate Area (M2) 1190.2 Number of Mechanical Fields 3 Number of Electrical Fields 3 Number of ESP Units 2 Through Velocity (meter/sec.) 0.45 Mitigation Velocity (cm./sec) 6.82 Treatment Time (seconds) 18.5 ESP Performance Emission at outlet <50 mg kg/cm2 Efficiency % 99.8

ANNEXURE-6

17.0 Technical details of Dust Catcher with 35 M3BF

System Parameters Inlet Gas Volume NM³/ Hr 5844 Temperature at Cyclone inlet (⁰C): 180 Inlet dust load (mg/Nm³) 20000 B.F Gas composition N₂ - 60 %, H₂ - 2-4 %, CO₂- 18-20 %, CO – 18- 20 % Efficiency ( % ) 65% Moisture in gas (% v/v) 0.5% Dust in BF Gas after cleaning (mg/Nm3) 7000 No. of Cyclone Separator unit 1 Size ɸ2100 X H3500 Volume 12.5 M3

18.0 Technical details of Cyclone Separator with 35 M3BF


19.0 Technical details of Dust Catcher with 125 M3BF


ANNEXURE-6

20.0 Technical details of Cyclone Separator with 125 M3BF


21.0 Technical details of Dust Catcher with Sinter Plant

System Parameters Inlet Gas Volume NM³/ Hr 6800 Temperature at Cyclone inlet (⁰C): 180 Inlet dust load (mg/Nm³) 17,000 B.F Gas composition N₂ - 60 %, H₂ - 2-4 %, CO₂- 18-20 %, CO – 18- 20 % Efficiency ( % ) 62% Moisture in gas (% v/v) 0.5% Dust in BF Gas after cleaning (mg/Nm3) 6460 No. of Cyclone Separator unit 1 Size ɸ2350 X H3950 Volume 17.6 M3

22.0 Technical details of Water Pollution Control Facilities

Settling Ponds with Coal Washery

6 Nos. Two rows of settling pond in parallel (One working and one stand-by). Each row will have 3 settling Ponds in series. Sizes 5mx2.5mx4m(D), 5mx3mx4m(D), 5mx3.5mx4m(D),

Neutralisation Pit at CPP

1 No. Neutralisation pit shall be of RCC structure with suitable lining for handling of acid/alkali. The nuetralization pit shall be designed to take up 12 hours collections of waste water coming out during regeneration of exchangers. Two sections in the neutralizing pit shall be provided, each section being capable of holding total waste water coming out of all the exchangers at a time. Proper pumping and recirculation arrangement for effluent mixing shall be provided. If required, additional air grid shall be provided in the pit for thorough mixing of alkali/acid for complete neutralization. Lime shall be used for neutralization for which lime preparation tank and feeding arrangement by gravity shall be included in the specifications.

ANNEXURE-6

COST OF PROPOSED POLLUTION CONTROL EQUIPMENT Sl. No. Location No. of Units Estimated Cost in Rs.

Lakhs Air Pollution Control Equipment

A Coal Washery 1 Bag Filter with Coal Crushing Unit 1 11 B Coke Oven 2 Bag Filter with Coal Crushing Unit 1 14 3 Bag Filter with Coke handling areas 1 11 C Sinter Plant 4 Bag Filter at Material Handling Area of Sinter Plant 1 22

D Sponge Iron Plant (Bag Filter - 5 Sets)5 85 5 Bag Filter with Coal Crusher 1 6 Bag Filter with Coal Handling Area 1 7 Bag Filter with Iron Ore Handling Area 1 8 Bag Filter with Cooler Discharge 1 9 Bag Filter with Product House 1 E Mini Blast Furnace

10 Bag Filter with 35 M³ MBF 1 21 11 Bag Filter with 125 M³ MBF 1 65 F BOF

12 Bag Filter with 20 Ton BOF 1 23.5 G Induction Furnace 13 Bag Filter with existing1X5 Ton Induction Furnace 10 14 Bag Filter with 1x12 Ton Induction Furnace 1 19 15 Bag Filter with 1x15 Ton Induction Furnace 1 20.5 H ESP - WHRB Power Plant 16 ESP at Power Plant for DRI Kiln flue-gas 1 120 I Dust Catchers

17 Dust Catcher with Sinter Plant 1 21 18 Dust Catcher with 35 m3 BF 1 18 19 Dust Catcher with 125 m3 BF 1 48 J Cyclone Separator

20 Cyclone Separator with 35 m3 BF 1 21 21 Cyclone Separator with 125 m3 BF 1 55

Water Pollution Control Equipment K Wet Scrubber

22 Wet Scrubber with Sinter Plant 1 28 23 Wet Scrubber with BOF 1 32 L Neutralization Pit At CPP for DM water 1 17

M Other equipment – FD Coolers, Spark Arrestor, ID Fan / FD Fan, Chimneys

208

TOTAL ESTIMATED COST (LAKHS) 870

Annexure 7

WATER FLOW CHART

RE-

CIR

CU

LATI

ON

OF

WAT

ER

COOLING TOWER

COOLING TOWER

Power Plant-187.2 KLD

Green Belt & Water Sprinkling

ETP

Domestic Use- 30 KLD

From BORE WEL 30 KLD

From Swarnrekha River – 2119.2 KLD

RE-CIRCULATION OF WATER

WATER RESERVOIR

Coke Oven-62.40 KLD

DRI Plant - 60 KLD

MBF (2) – 1070.4 KLD

Rolling Mill – 156.0 KLD

CCM – 84.0 KLD

Induction Furnace - 283.2 KLD

Coal Washery -153.60 KLD

RWH Recharge Pit

BOF – 62.4 KLD

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Annexure 8

Annexure 9

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Annexure 10Annexure 10

Annexure 10

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