HomeMy WebLinkAboutDEQ-CFW_00088045Nafionombrane Coating Operation eration Air Emissiotnvento Pa 1 of 4
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Emission source/Operating Scenario Data
for year 2004
1. Emission Source ID No.
NS-I
2. Emission Source Description:
Nafion® Resin Membrane Coating process
3. Operating Scenario Description:
6S-19 Nafion® Resin Membrane coating process
4. SCC Number/Description:
301 999 98 / * other organic chemical manufacture not listed.
5. Through put in CY k s:
4875 gal
6. Fuel Information:
N/A
7: Capture Efficiency:
100%
8. Control Device Information
none vented through stack
9. Stack or emission release point information:
stack
stack height
diameter
temperature
velocity
volume flow
release point
ERP
stack ID
feet
feet
deg. F.
feet/sec
rate (acfm)
description
description
Nafion®
membrane
NEP-1
50
2
ambient
0.4
75
Vertical
Icoating
10. Operating Schedule: OS-19
Hours per last year
3134
hours/da 2
1 da s/wk 7 wks/ r 52
11. Typical Start & End times for Operating Scenario: lContinuous when used
12. Seasonal periods percent annual throughput: Jan -Mar 24% April -June 29% Jul -Sept 25% Oct -Dec 21
Nafio*brane Coating Operation Air Emissiol'}�Invento ry
Emission source/Operating Scenario Data
1. Emission Source ID No. NS-1
Actual emissions per pollutant listed for source/process identified on page 1:
Criteria (NAAQS) pollutants
Pollutant
code
Emissions -Criteria polllutants tons/ r
Emission
estimation
method
code
Control
efficiency
2001
2002
2003
2004
Carbon Monoxide
CO
0
0
0
0
8
NOx
NOx
0
0
0
0
8
TSP
TSP
0.15
0.13
0.15
0.17
8
0%
PM 2.5
PM-2.5
0.15
0.13
0.15
0.17
8
0%
PM 10
PM-10
0.15
0.13
0.15
0.17
8
0%
SO2
SO2
0
0
0
0
8
VOC
VOC
12.7
10.9 1
13.1 1
15.1
8
0%
HAP/TAP pollutants ICAS
# I
Emissions HAP/TAPs Ibs/ r
Pa 2 of 4
Nafion Membrane Coating Operation
Air Emissions Inventory
Page 3 of 4
NS-I Membrane Spraybooth
2004
summary.
Coating Process
Max Spray Coat Rate
cc/min (2 guns)
400
From PR-81 in process specification spray
gun maximum capability
Max Process Rate
gal/hr
6.3
=cc/min * 2.64E-4 gal/cc * 60 min/hr,
conversion for cc/min to gal/hr
Paint Batches
batch
193
from
From spraycoating run sheets on how many batches
spraycoating
were made during the year. Note that lab sample
paint & binder analysis numbering system provides last 3 numbers
lab results
which equals number of batches made and tested
during the year ie 3FWC169 means that 169 batches
were made in 2003.
Gallons/batch
gals
25
From PR-81 process specifications for
batch size.
Gallons from Original batches
gals
4825
calculation from batch size * number of
batches
Remade batches
batchs
10
from
In 2003 we stopped tracking remade batchs as a
spraycoating
separate process and combined this with the paint
paint & binder batch number. From spraycoating run sheets on how
lab results NG many batches were remade during the year. Note that
first samples.
the lab numbering system will indicate R for remade
batches.
Gallons added/batch
gals
5
From PR-81 process specifications for
remake batch size.
Gallons added to remake
batches
gals
50
Calculation from gallons added * number
of remade batches
Annual Process Throughput
gals/yr
4875
addition of original batches + remade
batch gals producted. This number is
brought to NS-1 summary sheet
Coating Density
lb/gal
7.928
From PR-81 process specifications for
coating batches
Coating Consumed
Ibs/yr
38649
calculation of coating density * gals per
year
% change
15.38
VOC Emissions
Ethanol
Wt %
69%
From PR-81 process specification for
binder solution make up
Methanol
Wt %
1 %
From PR-81 process specification for
binder solution make up
1-Propanol
Wt %
8%
From PR-81 process specification for
binder solution make up
Annual VOC Emissions
Ibs/yr
30146
calculation of voc components % * coating
consumed
tons/yr
15.1
conversion to tons Ibs/2000lbs per ton.
This number is brought to NS-1 summary
sheet
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DEQ-CFW 00088047
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Nafion Membrane Coating Operation Air Emissions Inventory Page 4 of 4
TSP Emissions
% change
Coating Solids
wt %
18%
From PR-81 process specifictions for
coatings batch.
Paint Arrestor Effic
%
95%
From PR-81 equipment specifictions for
coatings paint arrestor efficiency.
Solids Produced
Ib/yr
6957
calculation of % coatings solids * coating
consumed
Annual TSP Emissions
Ibs/yr
347.8
=Ibs/yr of coating consumed * wt% coating
solids * (1-efficiency of arrestors) ,
calculation of emissions due to paint
arrestor efficiency not 100%
total suspended particles
tons/yr
0.17
calculation from Ibs per year to tons per
year. This number is brought to NS-1
summary sheet
% change
15.38
CA membrane Coated.
m2
158849
from molly from Master Production Scheduler (David
cognos report Garwood) via SAP BW Reporting.
% change
77.27
Throughput (production)
Coating Consumed Ibs/yr
% change
Total Hours of operations hrs
38649
from above calculations
15.38
3134 from Membrane
from Master Production Scheduler (David
Process Times
spread sheet
Garwood) via SAP BW Reporting. This
number is brought to NS-1 summary sheet.
from mollys
This number is brought to NS-1 summary
24.3%
cognos report
sheet.
1st qrt % hrs of operations
2nd qrt % hrs of operations
29.3%
3rd qrt % hrs of operations
25.1 %
4th qrt % hrs of operations
21.3%
see process time spreadsheet for hours
S:/Everyone/Scarrepa/Environmental/
5/10/2005
DEQ-CFW 00088048