Low NOx Projects
The following fossil-fuel fired units have been retrofitted
with CCA's infurnace NOx reduction and combustion optimization
technologies i.e. burner upgrades, overfire air, SNCR, water
injection and FGR. Unit names have been withheld to protect
client confidentiality.
Coal fired Units
|
MW
|
No. of BURNERS
|
FUEL
|
BOILER MFG
|
TYPE OF FIRING
|
BASELINE NOx (lb/mmBtu)
|
FINAL NOx (lb/mmBtu)
|
|
80
|
12
|
Coal
|
B&W
|
Front
|
0.9
|
0.45
|
|
42
|
6
|
Coal
|
FW
|
Front
|
0.94
|
0.44
|
|
850
|
48
|
Coal
|
B&W
|
Opposed
|
N/A
|
0.44
|
|
850
|
48
|
Coal
|
B&W
|
Opposed
|
N/A
|
0.44
|
|
12
|
4
|
Coal/Oil
|
CE
|
Front
|
0.85
|
0.45
|
|
12
|
4
|
Coal/Oil
|
CE
|
Front
|
0.85
|
0.45
|
|
50
|
6
|
Coal/Gas
|
B&W
|
Front
|
0.85
|
0.44
|
|
50
|
6
|
Coal/Gas
|
B&W
|
Front
|
0.85
|
0.44
|
|
65
|
6
|
Coal/Gas
|
B&W
|
Front
|
0.85
|
0.45
|
|
300
|
16
|
Coal
|
FW
|
Front
|
CO=8000
|
.44 CO=100
|
|
120
|
9
|
Coal
|
FW
|
Front
|
0.53
|
0.33
|
|
150
|
12
|
PRB Coal
|
B&W
|
Front
|
0.97
|
0.23
|
|
230
|
18
|
Coal
|
B&W
|
Front
|
1.0
|
0.24
|
|
355
|
24
|
Coal/Gas
|
B&W
|
Opposed
|
0.9
|
0.6
|
|
355
|
24
|
Coal/Gas
|
B&W
|
Opposed
|
0.9
|
0.6
|
|
160
|
16
|
Coal
|
B&W
|
Front
|
0.5
|
.35
|
|
62
|
8
|
Coal
|
B&W
|
Front
|
0.43
|
0.34
|
|
50
|
6
|
Coal/Oil
|
FW
|
Front
|
0.85
|
0.48
|
|
50
|
6
|
Coal/Oil
|
FW
|
Front
|
1.0
|
0.50
|
|
50
|
6
|
Coal/Oil
|
FW
|
Front
|
0.82
|
0.40
|
|
190
|
15
|
Coal
|
FW
|
Front
|
1.0
|
0.43
|
|
190
|
15
|
Coal
|
FW
|
Front
|
1.0
|
0.43
|
|
180
|
15
|
Coal
|
FW
|
Front
|
0.90
|
0.33
|
|
300
|
18
|
Coal
|
B&W
|
Front
|
1.0
|
0.45
|
|
300
|
18
|
Coal
|
B&W
|
Front
|
1.0
|
0.45
|
|
300
|
24
|
Coal
|
B&W
|
Front
|
1.0
|
0.43
|
|
300
|
24
|
Coal
|
B&W
|
Front
|
1.0
|
0.43
|
|
100
|
12
|
Coal
|
B & W
|
Front
|
0.70
|
0.4
|
|
100
|
12
|
Coal
|
B&W
|
Front
|
0.70
|
0.45
|
|
140
|
16
|
Coal
|
B&W
|
Front
|
0.79
|
0.44
|
|
163
|
12
|
Coal/oil
|
B&W
|
Front
|
0.81
|
0.28
|
|
163
|
12
|
Coal/oil
|
B&W
|
Front
|
0.81
|
0.28
|
|
163
|
12
|
Coal/oil
|
B&W
|
Front
|
0.81
|
0.28
|
|
163
|
12
|
Coal/oil
|
B&W
|
Front
|
0.81
|
0.28
|
|
100
|
8
|
Coal
|
B&W
|
Front
|
0.94
|
0.22
|
|
15
|
4
|
Coal
|
B&W
|
Front
|
0.9
|
0.41
|
|
55
|
12
|
Coal/Gas
|
CE
|
Tangential
|
0.7
|
0.48
|
|
100
|
16
|
Coal
|
CE
|
Tangential
|
0.45
|
0.34
|
|
80
|
16
|
Coal
|
CE
|
Tangential
|
0.41
|
0.33
|
|
250 KPPH
|
4
|
Coal
|
CE
|
Front
|
0.74
|
0.26
|
|
Gas and Oil fired Units
|
MW
|
No. of BURNERS
|
FUEL
|
BOILER MFG
|
TYPE OF FIRING
|
BASELINE NOx (lb/mmBtu)
|
FINAL NOx (lb/mmBtu)
|
|
120
|
8
|
Gas
|
Riley
|
Front
|
0.55
|
0.24
|
|
102
|
9
|
Gas/Oil
|
Riley
|
Front
|
0.7
|
0.315
|
|
348
|
18
|
Gas
|
B&W
|
Opposed
|
0.7
|
0.228
|
|
348
|
18
|
Gas
|
B&W
|
Opposed
|
0.37
|
0.228
|
|
170
|
12
|
Gas
|
B&W
|
Front
|
0.2
|
0.1
|
|
320
|
16
|
Gas
|
CE
|
Tangential
|
0.23
|
0.14
|
|
420
|
18
|
Gas
|
B&W
|
Front
|
0.11
|
0.055
|
|
195
|
12
|
Gas/Oil
|
B&W
|
Opposed
|
0.24
|
0.125
|
|
185
|
16
|
Gas
|
CE
|
Tangential
|
N/A
|
0.147
|
|
220
|
9
|
Gas/Oil
|
Riley
|
Front
|
0.35 (1)
|
0.23
|
|
110
|
6
|
Gas
|
B&W
|
Front
|
0.18
|
0.08
|
|
18
|
4
|
Gas/Oil
|
B&W
|
Front
|
0.57 (2)
|
0.37
|
|
18
|
4
|
Gas/Oil
|
B&W
|
Front
|
0.57 (2)
|
0.37
|
|
95
|
9
|
Gas/Oil
|
Riley
|
Front
|
0.42 (2)
|
0.27
|
|
440
|
28
|
Oil
|
B&W
|
Opposed
|
0.35
|
0.2
|
|
160
|
12
|
Oil
|
CE
|
Tangential
|
0.43
|
0.28
|
|
1.4M KPPH
|
12
|
Oil
|
FW
|
opposed
|
0.31/0.33
|
0.22/0.17
|
|
180
|
18
|
Oil/Gas
|
FW
|
Rear
|
0.31/0.33
|
wo/0.2/0.17 w/na/0.11
|
|
860
|
32
|
Oil
|
CE
|
Tangential
|
0.21
|
0.174
|
|
220
|
12
|
Gas
|
CE
|
Tangential
|
0.18
|
0.11
|
|
600
|
20
|
Oil
|
CE
|
Tangential
|
0.25
|
0.2
|
|
600
|
20
|
Oil
|
CE
|
Tangential
|
0.25
|
0.2
|
|
12
|
4
|
Oil
|
B&W
|
Front
|
N/A
|
0.22
|
|
12
|
4
|
Oil
|
B&W
|
Front
|
N/A
|
0.23
|
|
80
|
12
|
Gas/Oil
|
B&W
|
Front
|
0.52
|
0.22
|
|
105
|
9
|
Gas/Oil
|
B&W
|
Front
|
0.72 (1)
|
0.32
|
|
50
|
8
|
Gas/Oil
|
B&W
|
Front
|
0.52
|
0.26
|
|
163
|
12
|
Gas
|
B&W
|
Front
|
0.3
|
0.25
|
|
80
|
12
|
Gas/Oil
|
B&W
|
Front
|
0.54
|
0.267
|
|
42
|
6
|
Gas
|
C&E
|
Front
|
0.17
|
0.10
|
|
42
|
6
|
Gas
|
C&E
|
Front
|
0.13
|
0.085
|
|
62
|
12
|
Gas
|
C&E
|
Front
|
0.14
|
0.10
|
|
74
|
6
|
Gas
|
C&E
|
Front
|
0.53
|
0.091
|
|
480
|
16
|
Gas
|
CE
|
Tangential
|
0.15
|
0.094
|
|
485
|
24
|
Gas
|
FW
|
Opposed
|
0.20
|
0.20
|
|
40
|
6
|
Gas/Oil
|
Riley
|
Front
|
0.15 (1)
|
0.10
|
|
40
|
6
|
Gas/Oil
|
Riley
|
Front
|
0.15 (1)
|
0.10
|
|
40
|
6
|
Gas/Oil
|
Riley
|
Front
|
0.15 (1)
|
0.10
|
|
40
|
6
|
Gas/Oil
|
Riley
|
Front
|
0.15
|
0.10
|
|
40
|
6
|
Gas/Oil
|
Riley
|
Front
|
0.15
|
0.10
|
|
115
|
15
|
Gas/Oil
|
Riley
|
Front
|
0.56 (1)
|
0.23
|
|
125
|
12
|
Gas/Oil
|
B&W
|
Front
|
0.73 (1)
|
0.48
|
|
600
|
16
|
Oil
|
CE
|
Tangential
|
0.29
|
.2
|
|
400
|
18
|
Oil
|
FW
|
Rear
|
0.65
|
.45
|
|
55
|
6
|
Oil
|
FW
|
Front
|
0.41
|
0.27
|
|
55
|
6
|
Oil
|
FW
|
Front
|
0.41
|
0.27
|
|
800
|
32
|
Oil
|
FW
|
Front
|
0.38
|
.32
|
|
800
|
32
|
Oil
|
FW
|
Front
|
|
|
|
125
|
12
|
OIL
|
CE
|
Tangential
|
0.26
|
.145
|
|
630
|
30
|
OIL
|
FW
|
Front
|
0.24
|
.167
|
|
12
|
6
|
Gas
|
Vogt
|
Front
|
0.12
|
0.05
|
|
12
|
6
|
Gas
|
Vogt
|
Front
|
0.12
|
0.06
|
|
20
|
4
|
Gas
|
Vogt
|
Front
|
0.14
|
0.08
|
|
65
|
12
|
Gas
|
Vogt
|
Front
|
0.20
|
0.02
|
|
20
|
4
|
Gas
|
Vogt
|
Front
|
0.14
|
0.08
|
|
43
|
6
|
Oil
|
B&W
|
Front
|
0.43
|
0.25
|
|
43
|
6
|
Oil
|
B&W
|
Front
|
0.43
|
0.25
|
|
500
|
24
|
Gas/oil
|
Riley
|
Front
|
0.5
|
0.375
|
|
18
|
4
|
Oil
|
Riley
|
Front
|
0.54
|
0.23
|
|
18
|
4
|
Oil
|
Riley
|
Front
|
0.29
|
0.22
|
|
10
|
3
|
Oil
|
Keeler
|
Front
|
0.35
|
0.20
|
|
640
|
32
|
Gas/Oil
|
CE
|
Tangential
|
0.48 (2)
|
0.24
|
|
640
|
32
|
Gas/Oil
|
CE
|
Tangential
|
0.48 (2)
|
0.24
|
|
122
|
12
|
Oil
|
Riley
|
Front
|
0.38
|
0.29
|
|
165
|
24
|
Oil
|
CE
|
Tangential
|
0.4
|
0.25
|
|
175
|
24
|
Oil
|
CE
|
Tangential
|
0.4
|
0.25
|
|
110
|
10
|
Gas/Oil
|
B&W
|
Front
|
0.13
|
0.075
|
|
110
|
10
|
Gas/Oil
|
B&W
|
Front
|
0.13
|
0.085
|
|
115
|
10
|
Gas/Oil
|
B&W
|
Front
|
0.13
|
0.08
|
|
15
|
4
|
Gas/Coal
|
B&W
|
Front
|
0.20 (1)
|
0.15
|
|
170
|
15
|
Gas
|
C&E
|
Front
|
0.11
|
0.03
|
|
850
|
32
|
oil
|
CE
|
Tangential
|
0.4
|
0.27
|
|
850
|
32
|
oil
|
CE
|
Tangential
|
0.36
|
0.29
|
|
180
|
20
|
Gas
|
CE
|
Front
|
0.35
|
0.20
|
|
10
|
4
|
Oil
|
Riley
|
Front
|
0.29
|
0.091
|
|
175
|
24
|
Gas/Oil
|
Riley
|
Front
|
0.43 (1)
|
0.19
|
|
400
|
16
|
Gas
|
FW
|
Opposed
|
0.31
|
0.15
|
|
540
|
32
|
Gas/Oil
|
B&W
|
Opposed
|
0.36 (1)
|
0.18
|
|
115
|
15
|
Gas/Oil
|
B&W
|
Front
|
0.81 (1)
|
0.29
|
|
134
|
12
|
Gas/Oil
|
B&W
|
Front
|
0.76 (1)
|
0.42
|
|
175
|
18
|
Gas/Oil
|
B&W
|
Front
|
0.72
|
0.45
|
|
175
|
9
|
Gas/Oil
|
B&W
|
Front
|
0.46
|
0.20
|
|
450
|
24
|
Oil
|
Riley
|
Rear
|
0.55
|
0.28
|
|
12
|
4
|
Oil
|
CE
|
Front
|
0.38
|
0.23
|
|
12
|
4
|
Oil
|
CE
|
Front
|
0.38
|
0.23
|
|
12
|
4
|
Oil
|
CE
|
Front
|
0.38
|
0.23
|
|
138
|
9
|
Gas
|
Riley
|
Front
|
0.45
|
0.30
|
|
153
|
9
|
Gas
|
Riley
|
Front
|
0.6
|
0.30
|
|
|
