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ID-1922/13
VC Plant Vents
The VCM vent was sampled "before and after the scrubber during normal opera tions and during carbon filter regeneration toward, the end of the cycle. The results during normal operations were 105 lbs/day before and 86 lbs/day after the scrubber. Scrubber water results were 121 lbs/day. Scrubber water flow was estimated at 200 gallons per minute.
During carbon filter regeneration.the rate was 659 lbs/day before and l48
lbs/day after. Water effluent from the scrubber was 173 lbs/day, again
with the water flow estimated at 200 gallons per minute. Clearing of the
filter prior to regeneration had started at 0900 hours on H/20/78. Pinal
temperature was reached at 2400 hours 11/20/78. Cooling was started at
0400 hours H/21/78. Samples were collected at 1530 hours 11/21/78 which
is toward the end of the regeneration cycle so the results obtained are
probably low.
:
Also In the VC unit, the vent off the No. 1 Lift Station of the sewer segregation system was sampled November 17'and 20, 1978. On 11/17 the vent flow was about 2 cubic feet per minute. The emission rate wasQ).l lbs/day. Water from the Lift Station was 913 PP& total C1HC with an estimated riOtf of 210 gallons per minute for a rate of 2,300 lbs/day. The VC scrubber effluent was in the sewer segregation system, at the time of sampling.
Qnli/20/78 the vent flow was 4 cubic feet per minute. Emission rate was <Eii7llb a/* Water flow was approximately 10 gallons per minute at 9^5 pptn.
C1HC for an emission rate of 118 lbs/day total chlorinated hydrocarbons.
A summary of the tests follows. Detailed test data are included in Attachment No. 6 with the original copy of this report and is available upon request.
t h/S includes Tri ~ OdA#ste-JE Soinip
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SL 073290
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VCM Scrubber Vent
1(0 LD-1922/lV
c
Normal Operations
Test* Summary
Test Date
Test No.
Sample
Flow
ClEC
11/1T/78 1
Before Scrubber 105 seta. 73,600 ppm v/v ,,
105 Ibs/day
After Scrubber 108 scfm 3,200 ppm v/v
86 Ibs/day
;
Scrubber Water 200 gpm1/
50.5 ppm wt/wt 121 Ibs/day
Carbon Filter Regeneration
Test Date
Test No.
Sample
Flow
cmc
-
11/21/78 2 Before Scrubber 332 sefia 7,700 ppm v/v
659 Ibs/day
After Scrubber 157 softs 5,746 ppm v/v_ r 148 Ibs/day
Scrubber Water 200 gpm
72.2 ppm wt/wt 173 Ibs/day
Note: Stack Diameter -- 6"
c
Test Date 11./17/78
11/20/78
VCM No. 1 Lift Station Vent
Sample
Flow
-- C1HC=:" :
L/S Vent
2.4 scftn
M^o.crr i v/v
0.4
L/S Water
2101 gpm _ -* ^9l4-ppm wt/wt -^2,500 Ibs/day
L/S Vent - ~ ~scfta
12i 085= ppm
L/S Water
10 gpm
^--5985 ppm wt/wt'^fUS . Ibs/day
Note; Stack diameter - 4" 1. Estimated Plows
SL 073291
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PPG Industries, Inc. Industrial Chemical Division Lake. Charles, Louisiana
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Chemicals
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PROCI Job__ Date_
CALCULATIONS
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SL 073292
PPG Industrie*. Inc.
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Industrial Chemical Division Lake Charles, Louisiana
Chemicals
MOUSIWES
PROc_iCALCULATIONS
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SL 073295
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TABLE 3-3. PROCESS STREAM CLASSIFICATION BY GROUP
STREAM GROUP1
-* d
r
' '*
HYDROCARBON STREAM DESCRIPTION*
Gas/Vapor
Cj-Cj Hydrocarbons
C3-C4 Hydrocarbons Cs-CsHydrocarbons "
.
Cio+ Hydrocarbons
Mixed Molecular Weight Hydrocarbon Streams
Aromatic Hydrocarbons
*
Miscellaneous Organic Compounds
Hydrocarbon Streams Containing H2, HjS, and H2O
Light Liquids/Two-Phase
C2 Hydrocarbons C3-C4 Hydrocarbons Cs-C6 Hydrocarbons C7-C9 Hydrocarbons Naphtha Light Distillate Aromatic Hydrocarbons (low molecular
weight) Miscellaneous Streams
Heavy Liquids
Kerosene, Diesel, Heating Oil Gas Oils Atmospheric Resid/Vacuum Gas Oil Vacuum Resid/Asphalt Aromatics/Polymers Mixed Molecular Weight Streams Non-distillate Solvents Miscellaneous Organic Streams
Stream group is determined by the stream conditions within the process lines
zThe most volatile stream component present at a concentration of 20Z or more determines the stream classification.
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SL 073296
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SL 073297
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TABLE 4-2. SUMMARY STATISTICS AND ESTIMATED VAPOR EMISSION FACTORS FOR NONMETHANE HYDROCARBONS FROM BAGGABLE SOURCES
SOURCE TYPE
TOTAL SCREENED1
NUMBER LEAKING*
PERCENT LEAKING
951 CONFIDENCE INTERVAL POR
PERCENT LEAKING
PERCENTILE POR INDIVIDUAL LEAKE (lV./br)
lit 99th
EMISSION FACTOR ESTIMATE (lbi/hr-wurci)
95* CONFIDENCE interval for
OHS5ION FACTOR
(Ibi/hi-iouiee)
EMISSION FACTOR
PERCENTILE
VALVES Cas/Vepor Streane Light Uquid/Two-Phin Strews Heavy Liquid Streane
1019 s:i
200 371 . 15
29.3 36.1
6.7
(25.9 , 32.7)
(33.S . 39.3)
{ *.6 , 6.9)
0 0 0
0.61 0.31 0.08
0.047 0.023 0.0001
FUKF SEALS Light Liquid Strew* Heavy Liquid Strewe
*70
300
63.8
(56.9 , 68.8)
0
4.0
0.26
66
22.6
(17.1 . 26.1)
0
0.87
0.045
FLANGES (ALL)
2010
62
3.1
( 2.2 . 3.9)
0
0.008
0.00050
Cat/Vapor $taai
369
10
2.7
( 0.6 . 4.6)
0
0.008
0.0005
Light Liquld/TwQ-Phaae Strewe
616
31
5.6
( 1.3 , 7.*)
0
0.011
0.0005
Heavy Liquid Stxtaas
313
6
1.9
( 0.2 , 3.3)
0
0.009
0.0007
COMPRESSOR SEALS Hydrocarbon Service Hydrogen Service
143
102
70.3
(62.9 , 77.7)
0
17.0
63
69
61.2
' (71.2 . 68.8)
0
1.0
0.50 0.10
DRAINS (ALL)
133
49
19.1
(14.6 , 26.0)
a
1.3
O.0TQ
Light Llquid/Tvo Phin Streane
100
16
26.0
(14.6 , 37.4)
0
1.9
0.005
Heavy Liquid Strtm
107
19
11.6
( 9.3 , 26.1)
0
0.61
0.029
RELIEF VALVES (ALL)
146
36
39.2
(25.1 . 40.6)
0
6.9
0.19
C**/Vapor Strewe
SI
62
61.6
(33.1 j 36.6)
0
4.0
0.36
Light Ltquld/Ttfo Phaea Strewe
26
7
25.0
<10.1 . *4.9)
0
0.11
0.01J
Heavy Liquid Strewe
13
1
36.6
<16.6 , 37.3)
0
0.42
0.019
`Sooe etreeue could not be accurately tliuUtil lata airaaa catc|ory to tb Ratal* ara not the ua at tha ittit* grout**
'UtLlnt bomic> to t)il r.port >[ Usllnod aa oouicm with cr.mla( vslua* jr.ittr tkoo r qul to 200 rrr or
MrcM ollk oumN tub
thaa 0.00001 lto/hr.
f-'(
(0.027 0.064) (0.016 0.034) (0.0002 9 0.002)
94.4
09.T
95.0
(0.17 (0.02
0.19 ) 0.11 )
(0.0002
no"*
0.001) 0.003)
(0.0002 0.001) (10** 0.02 )
09.0 00.4
97.4
(0.46 (0.04
2.0 ) > 0.24 )
(0.01 (0.01 (0.003
0.20 ) 0.32 ) 0.21 )
(0.06
(0.10
(o.ooi
(0.001
0.52 ) 1.30 ) * 0.23.) 0.20 )
03.4 06.5 93.3
91.9