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NESEC MeetingNESEC Meeting
What is meant byWhat is meant by
““Variability”Variability”
Variability Variability
• ProcessProcess• Fermentation Fermentation • Control EquipmentControl Equipment• SeasonsSeasons
Emission Data Emission Data
• 2 sources with frequent testing are 2 sources with frequent testing are used for this presentation.used for this presentation.
Source 1Source 1
• 16 CO16 CO22 scrubber performance tests scrubber performance tests
• Jan 2008 – May 2010Jan 2008 – May 2010
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/0
8
2/29
/08
3/31
/08
4/30
/08
5/31
/08
6/30
/08
7/31
/08
8/31
/08
9/30
/08
10/3
1/08
11/3
0/08
12/3
1/08
1/31
/09
2/28
/09
3/31
/09
4/30
/09
5/31
/09
6/30
/09
7/31
/09
8/31
/09
9/30
/09
10/3
1/09
11/3
0/09
12/3
1/09
1/31
/10
2/28
/10
3/31
/10
4/30
/10
DATE
LB
/HR
VOC
HAP
Acetaldehyde
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
80 gpm
100 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
97 gpm
91 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
110 gpm
192 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
120 gpm
106 - 138 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
120 gpm
124 - 157 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
120 gpm
139 - 156 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
175 gpm
132 - 169 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
120 gpm
115 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
120 gpm
120 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
110 gpm
185 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
100 gpm
120 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
100 gpm
120 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
100 gpm
120 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
100 gpm
120 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
100 gpm
120 ml/min
80 gpm &100 ml/min
VOC/HAP
0
2
4
6
8
10
12
14
161/
31/2
008
2/29
/200
8
3/31
/200
8
4/30
/200
8
5/31
/200
8
6/30
/200
8
7/31
/200
8
8/31
/200
8
9/30
/200
8
10/3
1/20
08
11/3
0/20
08
12/3
1/20
08
1/31
/200
9
2/28
/200
9
3/31
/200
9
4/30
/200
9
5/31
/200
9
6/30
/200
9
7/31
/200
9
8/31
/200
9
9/30
/200
9
10/3
1/20
09
11/3
0/20
09
12/3
1/20
09
1/31
/201
0
2/28
/201
0
3/31
/201
0
4/30
/201
0
DATE
LB
/HR
VOC
HAP
Acetaldehyde
115 gpm
120 ml/min
Water to ScrubberWater to Scrubber
Gallons of Gallons of water water (gpm)(gpm)
175175 120120 115115 110110 100100 9797 8080
VOC VOC
(lb/hr)(lb/hr)8.08.088
5.15.1
--
14.14.00
5.05.044
4.94.9
--
5.75.7
5.55.5
--
6.66.66.86.855
2.02.077
AcetaldehAcetaldehydeyde
(lb/hr)(lb/hr)
0.30.344
0.30.344
--
0.70.722
0.30.322
0.30.300
--
0.50.522
0.30.388
--
0.40.488
2.02.011
0.40.433
Water vs Chemical
50
70
90
110
130
150
170
190
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
ml
or
gal
water
Bisulfite
Chemical to ScrubberChemical to ScrubberChemicChemical to al to scrubbescrubberr
ml/minml/min
191922
181855
171700
161600
151555
141400
121200
111155
101000
9191
VOCVOC
Lb/hrLb/hr4.94.977
5.75.7 8.08.088
14.14.11
8.28.211
5.65.622
5.05.04-4-6.66.611
6.66.655
2.02.077
6.86.855
ACEACE
(lb/hr)(lb/hr)0.30.300
0.50.522
0.30.344
0.70.722
0.50.533
0.60.600
0.30.322
--0.40.499
0.30.322
0.40.433
2.02.011
Difference from test to Difference from test to testtest
VOCVOC DiffDiff VOCVOC DiffDiff
Test 1Test 1 2.072.07 Test 9Test 9 5.045.04 --24.2%24.2%
Test 2Test 2 6.856.85 230.9230.9%%
Test Test 1010
5.15.1 1.19%1.19%
Test 3Test 3 4.974.97 --27.4527.45%%
Test Test 1111
5.75.7 11.7%11.7%
Test 4Test 4 5.625.62 13.0713.07%%
Test Test 1212
5.565.56 --2.45%2.45%
Test 5Test 5 14.0614.06 150.2150.2%%
Test Test 1313
6.616.61 18.8%18.8%
Test 6Test 6 8.218.21 --41.6%41.6%
Test Test 1414
5.485.48 --17.1%17.1%
Test 7Test 7 8.088.08 --1.58%1.58%
Test Test 1515
15.1815.18 177%177%
Test 8Test 8 6.656.65 --17.7%17.7%
Test Test 1616
5.155.15 --66.1%66.1%
Difference from test to Difference from test to testtest
AceAce DiffDiff AceAce DiffDiff
Test 1Test 1 0.4290.429 Test 9Test 9 0.3240.324 1.56%1.56%
Test 2Test 2 2.012.01 368.5368.5%%
Test Test 1010
0.3440.344 6.17%6.17%
Test 3Test 3 0.3010.301 --85.0285.02%%
Test Test 1111
0.5220.522 51.7451.74%%
Test 4Test 4 0.6040.604 100.6100.6%%
Test Test 1212
0.380.38 27.2%27.2%
Test 5Test 5 0.7170.717 18.7%18.7% Test Test 1313
0.4870.487 28.2%28.2%
Test 6Test 6 0.5290.529 26.2%26.2% Test Test 1414
0.4270.427 12.3%12.3%
Test 7Test 7 0.3390.339 35.7%35.7% Test Test 1515
0.4610.461 7.9%7.9%
Test 8Test 8 0.3190.319 6.12%6.12% Test Test 1616
0.3310.331 28.2%28.2%
Source 2 Source 2
• 7 CO7 CO22 performance test March 2009 performance test March 2009 – March 2010– March 2010
VOC/HAP
0
1
2
3
4
5
6
7
8
9
10
4/1/
09
5/1/
09
6/1/
09
7/1/
09
8/1/
09
9/1/
09
10/1
/09
11/1
/09
12/1
/09
1/1/
10
2/1/
10
3/1/
10
Date
lb/h
r VOC
HAP
Acetaldehyde
15 gpm well &
15 gpm RO
107 ml/min
VOC/HAP
0
1
2
3
4
5
6
7
8
9
10
4/1/
09
5/1/
09
6/1/
09
7/1/
09
8/1/
09
9/1/
09
10/1
/09
11/1
/09
12/1
/09
1/1/
10
2/1/
10
3/1/
10
Date
lb/h
r VOC
HAP
Acetaldehyde
20 gpm well &
20 gpm RO
95 ml/min
VOC/HAP
0
1
2
3
4
5
6
7
8
9
10
4/1/
09
5/1/
09
6/1/
09
7/1/
09
8/1/
09
9/1/
09
10/1
/09
11/1
/09
12/1
/09
1/1/
10
2/1/
10
3/1/
10
Date
lb/h
r VOC
HAP
Acetaldehyde
30 gpm well &
20 gpm RO
133 ml/min
VOC/HAP
0
1
2
3
4
5
6
7
8
9
10
4/1/
09
5/1/
09
6/1/
09
7/1/
09
8/1/
09
9/1/
09
10/1
/09
11/1
/09
12/1
/09
1/1/
10
2/1/
10
3/1/
10
Date
lb/h
r VOC
HAP
Acetaldehyde
20 gpm well &
10 gpm RO
100 ml/min
VOC/HAP
0
1
2
3
4
5
6
7
8
9
10
4/1/
09
5/1/
09
6/1/
09
7/1/
09
8/1/
09
9/1/
09
10/1
/09
11/1
/09
12/1
/09
1/1/
10
2/1/
10
3/1/
10
Date
lb/h
r VOC
HAP
Acetaldehyde
25 gpm well &
10 gpm RO
115 ml/min
VOC/HAP
0
1
2
3
4
5
6
7
8
9
10
4/1/
09
5/1/
09
6/1/
09
7/1/
09
8/1/
09
9/1/
09
10/1
/09
11/1
/09
12/1
/09
1/1/
10
2/1/
10
3/1/
10
Date
lb/h
r VOC
HAP
Acetaldehyde
20 gpm well &
10 gpm RO
103 ml/min
VOC/HAP
0
1
2
3
4
5
6
7
8
9
10
4/1/
09
5/1/
09
6/1/
09
7/1/
09
8/1/
09
9/1/
09
10/1
/09
11/1
/09
12/1
/09
1/1/
10
2/1/
10
3/1/
10
Date
lb/h
r VOC
HAP
Acetaldehyde
20 gpm well &
10 gpm RO
*new Chemical 43 ml/min
Water to ScrubberWater to Scrubber
Gallons of Gallons of water water (gpm)(gpm)
15/115/155
20/220/200
30/230/200
20/120/100
25/125/100
20/120/100
VOC VOC
(lb/hr)(lb/hr)
4.974.973.353.35
2.722.729.19.1 3.543.54 2.452.45
--
6.946.94
AcetaldehAcetaldehydeyde
(lb/hr)(lb/hr)
0.370.37 0.450.45 0.290.29 1.01.0 0.50.50.210.21
--
1.01.0
Chemical to ScrubberChemical to ScrubberChemical Chemical to to scrubberscrubber
ml/minml/min
133133 115115 107107 103103 100100 9595 43* 43*
VOCVOC
Lb/hrLb/hr2.722.72 3.543.54 4.974.97 2.452.45 9.19.1 3.353.35 6.946.94
ACEACE
(lb/hr)(lb/hr)0.290.29 0.500.50 0.370.37
440.210.2155
1.01.0 0.450.45 1.01.0
* Different chemical used
Difference from test to Difference from test to testtest
VOCVOC DifferenceDifference
Test 1Test 1 4.974.97
Test 2Test 2 3.353.35 -32.5 %-32.5 %
Test 3Test 3 2.722.72 -18.8 %-18.8 %
Test 4Test 4 9.19.1 234.6 %234.6 %
Test 5Test 5 3.543.54 -61.0 %-61.0 %
Test 6Test 6 2.452.45 -30.9 %-30.9 %
Test 7Test 7 6.946.94 183.3 %183.3 %
Difference from test to Difference from test to testtest
AceAce DifferenceDifference
Test 1Test 1 0.3740.374
Test 2Test 2 0.4510.451 20.4 %20.4 %
Test 3Test 3 0.2930.293 -34.9 %-34.9 %
Test 4Test 4 1.01.0 241.2 %241.2 %
Test 5Test 5 0.500.50 -50 %-50 %
Test 6Test 6 0.2150.215 -57.1 %-57.1 %
Test 7Test 7 1.01.0 369.1 %369.1 %
Fermentation LeaksFermentation Leaks
• PRV’sPRV’s• Man way Man way
PRV LeaksPRV Leaks
PRV LeaksPRV Leaks
PRV LeaksPRV Leaks
Click PRV
Thank YouThank YouQuestions?Questions?
Ken AlmquistKen AlmquistUnit SupervisorUnit Supervisor
Air Quality Compliance SectionAir Quality Compliance Section(402) 471-2186(402) 471-2186
ken.almquist@nebraska.govken.almquist@nebraska.gov
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