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Vinyl Ethers -South Air Emissions Inventory PMVE Only Emissions
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2004 AIR EMISSIONS INVENTORY SUPPORTING DOCUMENTATION
Emission Source ID No: NS-C
Emission Source Description: VE-South PMVE Only Manufacturing Process
Process & Emission Description: The VE-South PMVE Only manufacturing process is a continuous chemical reaction. All
emissions from the process are vented through the VE-South Waste Gas Scrubber (Control Device ID No. NCD-Hdr2) which
has a documented control efficiency of 99.6% for all acid fluoride compounds. Some emitted compounds are assumed to pass
completely through the scrubber, so the control efficiency for those compounds is assumed to be 0%. The control of emissions
of specific compounds will be addressed and detailed in the following pages.
The PMVE Only process in VE-South emits compounds in the acid fluoride family. In the presence of water (such as in
atmospheric moisture), these acid fluorides can eventually hydrolyze to hydrogen fluoride. For the purpose of this emissions
inventory, a conservative approach will be taken and the acid fluorides will be reported both as a VOC and as the equivalent
quantity of hydrogen fluoride.
Basis and Assumptions:
- The PMVE Only process flowsheet is the basis for relative concentrations of before -control emissions of gaseous wastes.
- The flowsheet is based on a 67:33 PAF/COF2 precursor feed ratio. In 2004, the precursor feed ratio was 100% COF2 during a
PMVE Only Campaign.
- Accordingly, a flowsheet correction was made.
PAF ratio is 0.00 COF2 Ratio is 1.00.
- Calculations of point source emissions are based on actual vent flow totals taken from the IP21 Historian.
All emission determination calculations are available on the EXCEL spreadsheet found at
- S:/Everyone/cecilkd/Emissions/2004/VES 2004 Emissions.xls.
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Vinyl Ethers South Air Emissions Inventory PMVE Only Emissions
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E. Perfluoromethyl vinyl ether (PMVE) CAS No. 1187-93-5
HF Potential:
PMVE is a VOC without the potential to form HF.
Quantity Released
Before -control PMVE per the process flowsheet:
Before -control PMVE vented based on 226.56 kg HFPO
PMVE Vented from Low Boiler Column:
C Ata! kg PMVE x 226.56 kg HFPO = 0.0219 kg PMVE
kg HFPO
After -control emissions from the Waste Gas Scrubber with an assumed efficiency of zero percent (0%)
VOC Emissions = 0.0219 kg VOC
0.048 Ib VOC
F. Perfluoroethyl vinyl ether (PEVE) CAS No. 10493-43-3
HF Potential:
PEVE is a VOC without the potential to form HF.
Quantity Released
VOC Emissions = 0 kg VOC
E
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Vinyl Ethers South Air Emissions Inventory PMVE Only Emissions
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0 G. Hexafluoropropylene (HFP) CAS No. 116-15-4
HF Potential:
HFP is a VOC without the potential to form HF.
Quantity Released
HFP vented from Condensation Reactor (Cond Rx) per process flowsheet
0.15 kg HFP
kg Cond Rx Vent
HFP vented from Stripper Column per process flowsheet
i35 kg HFP
w' 3_ kg Stripper Vent
HFP vented from Low Boiler Column (LBC) per process flowsheet
=fl 72r kg HFP
kg LBC Vent
Before -control HFP vented from Cond RX based on 833 kg
Before -control HFP vented from Stripper Column based on 1,900 kg
Before -control HFP vented from LBC based on 227 kg
HFP vented from Cond Rx:
0.15 kg HFP x 833 kg CondRx Vent =
;.125 kg HFP
1: kg Cond Rx Vent
HFP vented from Stripper Column:
0.15 kg HFP x 1900 kg Strip Vent =
285 kg HFP
1 kg Stripper Vent
HFP vented from LBC:
0.72 kg HFP x 227 kg LBC Vent =
163 kg HFP
1 kg LBC Vent
After -control emissions from the Waste Gas Scrubber with an assumed efficiency of zero percent (0%)
VOC Emissions
125 kg HFP from CondRx Vent
+ 285 kg HFP from Strip Vent
+ 163 kg HFP from LBC Vent
573 kg HFP = 573 kg VOC
1,261 Ib VOC
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H. Tetrafluoroethylene (TFE) CAS No. 116-14-3
HF Potential:
TFE is a VOC without the potential to form HF.
Quantity Released
TFE vented from Low Boiler Column (LBC) per process flowsheet
kg TFE
1 , : ` ';"' kg LBC Vent
Before -control TFE vented from LBC based on 227 kg vented from LBC
TFE vented from LBC:
0.27 kg TFE x '227kg vented from LBC = 61 kg TFE
1' kg LBC Vent
After -control emissions from the Waste Gas Scrubber with an assumed efficiency of zero percent (0%)
VOC Emissions
61 kg TFE = 61' kg VOC
135 lb VOC
I. VOC
•
•
Summa
Nafion Compound Name
Before Control
After Control
VOC Generated
Stack Emissions
k / r VOC
Ib/ r VOC
Ib/ r VOC
Ib/ r HF
A.
COF2
27,889
i, . 61357
, , : ' 246
149
B.
PAF
28,165
61963
248
43`
C.
PMPF
37,332,
82,131=:
329
28
D.
PEPF
0
0
E.
PMVE
0.02
0.05
0.05
F.
PEVE
0
0
0
G.
HFP
573
-; 1.,261
1,261'
H.
TFE
135
'296
• 1�35
Total
94,0951
207009
2,217
220^
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Vinyl Ether:& South Air Emissions Inventory PMVE Only Emissions
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J. Point Source Summary
Nafion Compound Name
Stack
Emissions
lb/yr
Equipment
Emissions (Note 1)
lb/yr
Maintenance
Emissions (Note 2)
lb/yr
Total
Emissions
lb/yr
A.
COF2
245
84.6
2.1
332
B.
PAF
248
85.5
2.1
335
C.
PMPF
329
113.3
2.8
445
D.
PEPF
0
0.0
0.0
0
E.
PMVE
0
ao,
0.0 _ '
01"
F.
PEVE
0
0.0
0.0
0
G.
HFP
1,261
434.8
1,0.9 =
1,707
1 H.
ITFE
135
46.4
1.2
182
Tota 1
21217
-765
> 19
3,001
Note 1 - See section titled "Equipment Emissions" for details
Note 2 - See section titled "Maintenance Emissions" for details
HF Equivalent Emissions
Nafion Compound Name
Stack
Emissions
lb/yr
Equipment
Emissions
Ib/yr
Maintenance
Emissions
Ib/yr
Total
Emissions
lb/yr
A.
COF2
148.74
51
1.284
201.3Z
B.
PAF
42.73
,14.737
01.369,
7'84 �
C.
PMPF
28.32
9767
0.244
38.33
D.
PEPIF
0
0.000
0000
0.00
Total
219.80,
73.800
1.897,
-297.50
The estimated HF equivalent emissions from Equipment Emissions were determined by multiplying the
COF2 HF Potential (0.606 lb. HF/lb. COF2) by the COF2 Equipment Emissions
for the Compound
0.606 lb/yr HF x 84.64 lb/yr Equipment COF2 = 51 lb/yr HF
lb/yr COF2
The estimated HF equivalent emissions from Maintenance Emissions were determined by multiplying the
COF2 HF Potential (0.606 lb. HF/lb. COF2) by the COF2 Maintenance Emissions
for the Compound
0.606 lb/yr HF x 2.12 lb/yr Maintenance COF2 = 1 1b/yr HF
lb/yr COF2
DEQ-CFW-00087991