# OAR Box 1870

Prepped by Ollie Stewart



# Document

Number: 

# 12 ) ll-A-1 7 Docket Number: 

# A-90-1 9

Printed 11/28/20087:05:04 AM Sheet 12 of 67 P. 1

### P. 2



# -»ER- \ Unite d State s

Environmenta l Protectio n Agency Offic e o f Ai r Quality Plannin g an d Standard s Researc h Triangl e P ' EM B Repor t 80-OCM-1 9 Augus t 198 0
Ai r 

# A-90-1 9 ll-A-1 7 

# Benzen e Organi c Chemica l Manufacturin g Ethylbenzene/Styren e Emissio n Tes t Rep o US S Chemical s Houston , Texa sP. 3



## 2 . SUMMAR

YAND DISCUSSION

O F RESULT S
2. 1 GA S ANALYSI S RESULT S Th e samplin g an

danalysi s dat a a t USS C Housto nwer e obtaine dfro m five location s withi nth e ethylbenzene/styren e facility . Th e firs t phas e involve dth e samplin g andanalysi s o f th e ga s strea m compositio na t th e reboile r stac k outlet , th e superheate r stac k outlet , an dth e combine dga s inle t t o th e reboile r an dsuperheater . Th e secondphas e involve dsamplin g an danalysi s a t tw

o colum nven t locations . Thes e location s wer e th e styren e finishin g colum nven t t o th e atmospher e an dth e combine dhotwel l ven t recover y

syste m prio r t o th e natura l ga s ejector . Durin g th e firs t phas e o f testing , th e thre e location s wer e sample d simultaneousl y

i norde r t o determin e th e benzen e mas s remova l efficienc y o f th e combustio nprocesse s inadditio nt o th e benzen e emissio n concentrations . Summarie s o f th e result s o f testin g ar e presente di nTable s 2- 1 throug h2-3 . Th e averag e benzen e emissio nresult s an dremova l efficiencie s ar e summarize di nTabl e 2-4 . Th e benzen e emissio nconcentration s fro m th e two heater s range dfro m <0. 1 t o 0.3 4 ppmv . Th e averag e benzen e concentratio ni nth e fue l ga s wa s 44 0 ppm . Usin g thes e result s i na combustio ncalculatio n(describe di nAppendi xA ) yield s benzen e remova l efficiencie s rangin g fro m 99. 4 t o 99. 8 percent . Th e result s ar e consisten t fro m runt o runandther e wer e no know nsamplin g o r proces s difficultie s durin g thes e tests . Th e result s o f testin g a t th e styren e colum nven t ar e presente di n Tabl e 2-5 . Durin g sampling , condensat e wa s observe di nth e sampl e line . A sampl e o f thi s liqui dwa s analyze dan dfoundt o b e essentiall y styrene . No attemp t wa s mad e t o estimat e th e condensat e volume o r mas s rate .



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## 2- 2- o I Tabl e 2-2 . REBOILE RSTACKOUTLE T GA S ANALYSI S RESULT S AT USSC-HOUSTON

RU N NO . DAT E TIM E RBO- 1 6/24/8 0 096 0 HR S RB0- 2 6/25/8 0 100 0 HR S RBO- 3 6/25/8 0 140 0 HR S AVERAG E

Specie s analysi s Retentio n tin e (min ) ppm

v a s conpound ppm

v a s benzen e ppm

v a s compoun d ppm

v a s benzen e ppm

v a s compound ppm

v a s benzen e ppm

v a s compound ppm

v a s benzen e 

### C-l a 

### C- 2 C- 3 C- 4 C- 5

C-6 C Benzen e Toluen e Ethylbenzen e Styren e 0.9 5 1.3 3 1.9 7 3.4 1 6.4 9

2.1 3 3.1 6 4.8 2 7.2 9 

### 8. 3

Tota l hydrocarbon s b y specie s summatio n <0. 1 <0. 1 <0. 1 <0. 1 <0. 1

<0. 1 <0. 1 <0. 1 <0. 1 0.39 4

0.39 4 <0. 1

<0. 1 <0. 1 <0. 1 <0. 1

<0. 1 <0. 1 <0. 1 <0. 1 0.45 0

0.45 0 <0. 1

<0. 1 <0. 1 <0. 1 <0. 1

<0. 1 <0. 1 <0. 1 0.06 3 0.32 2

0.38 5 <0. 1

<0. 1 <0. 1 <0. 1 <0. 1

<0. 1 <0. 1 <0. 1 0.09 2 0.36 8

0.46 0 <0. 1

<0. 1 <0. 1 <0. 1 <0. 1

<0. 1 0.34 5 0.32 4 0.47 0 0.52 6

1.6 7 <0. 1

<0. 1 <0. 1 <0. 1 <0. 1

<0. 1 0.34 5 0.39 9 0.68 3 0.60 1

2.0 3 

### ND b 

### N D N D N D N D

N D 0.11 5 0.10 8 0.17 8 0.41 4

0.81 5 

### N

D N D N D N D N D

N D 0.11 5 0.13 3 0.25 8 0.47 3

0.97 9

Inert s H 2 0 Xb y volume 6 C0 2 Xb y volume C O Xb y volume N 2 Xb y volume 0 2 Xb y volum e H 2 Xb y volume CH 4 Xb y volum e TOTAL (X ) 

### ~ 5. 0 12.4 3 < 0. 1 85.9 8 3.9 1 < 0. 1 < 0. 1 107. 3
Porapa k Q column . No t determined . C SP2100/0.1 XCarbowa xon100/12 0 Supelcopor t column . Stolecula r Siev e an

dChromsor b102.columns . e H 2 0 Xb

y volum e - saturate da t analysi s temperatur e 92°F . 

### ~
<

< < 5. 0 9.8 1 

### 0. 1 83.2 6 3.5 5 

### 0. 1 0. 1 101. 6 ~ 5. 0 9.8 1 < 0. 1 83.1 0 3.1 7 < 0. 1 < 0. 1 101. 1 

### -
<

< < 5 0 10. 6 

### 0 8 4 3 0 0 . 1 11 5 4 1 1 103. 3RU N NO . DAT E TIH E .'*• • Retentio n Specie s analysi s tim e (min )
C-l a 

### C- 2 C- 3 C- 4 C- 5

C-6 C 'i * Benzen e Toluen e Unknow n Styren e 0.9 5 1.3 3 1.9 7 3.4 1 6.4 9

2.1 3 3.5 1 4.8 0 8.1 6 9.3 0

Tota l hydrocarbon s b y specie s summatio n

Inert s H 2 0 , Xby

volume 6 N 2 , Xb y volum e Oj , Xby

volum e C0 2 , Xby

volum e TOTA L (X )

a Porapa k Q column . No t determined . C SP2100/0.1 XCarbowa x on100/12 0 ecula r Sieve an

dChromosor b
e H 2 0 Xb

y volum e - saturate da t Tabl e 2-3 .

SHO- 1 6/24/8 0 090 0 HR S

ppm v a s compound
<0. 1 <0. 1 <0. 1 <0. 1 <0. 1

0.2 0 <0. 1 <0. 1 <0. 1 <0. 1

0.2 0

Supelcopor t 10 2 columns . ~5.00 e

85.9 5 5.9 6 11.0 2 107.9 3

colum n SUPERHEATE RSTAC KOUTLE T GA S ANALYSI S RESULT S AT USSC-HOUSTON

ppm v a s benzen e
<0. 1 <0. 1 <0. 1 <0. 1 <0. 1

0.23 7 <0. 1 <0. 1 <0. 1 <0. 1

0.23 7



### . analysi s temperatur e 92°F . SHO- 2 6/25/8 0 100 0 HR S

ppm v a s compound
<0. 1 <0. 1 <0. 1 <0. 1 

### <0. 1

<0. 1 0.16 3 0.43 2 0.63 2 1.1 3

2.3 6

-5.0 0 82.8 2 6.9 0 7.9 3 102.6 5 ppm

v a s benzene
<0. 1 <0. 1 <0. 1 <0. 1 <0. 1

<0. 1 0.16 3 0.53 2 0.94 9 1.2 9

2.9 3 SH0- 3 6/25/8 0 140 0 HR S

ppm v a s compound
<0. 1 <0. 1 <0. 1 <0. 1 <0. 1

<0. 1 0.19 5 0.22 0 0.09 9 0.13 4

0.64 8 ppm

v a s benzen e
<0. 1 <0. 1 <0. 1 <0. 1 <0. 1

<0. 1 0.19 5 0.27 1 0.14 4 0.15 3

0.76 3

-5.0 0 83.1 0 5.6 2 9.3 9 103.1 1 ppm v a s compound


### ND b 

### N D N D N D N D

0.06 7 0.11 9 0.21 7 0.26 0 0.42 8

1.0 9



### - AVERAG E

ppm v a s benzen e


### N O N D N D N O N D

0.07 9 0.11 9 0.26 8 0.36 4 0.48 1

1.3 1

5.0 0 83.9 6 6.1 6 9:4 5 104.5 6 

### »

. * .r o t n 

# •••I

Tabl e 2-4 . SUMMAR

YBENZEN E REMOVA

L EFFICIENCY

b e d Benzen e Oxyge nBenzen

e Benzen

e emission

s Benzen

e inle t Dilutio

n Remova

l ( Xv/ v dry ) (pp

m wet ) (ppm

v 9 3 % 0 2 dry ) (ppmv ) Facto r Efficiency 9 Ru n Numbe r
RBO- 1 RB0- 2 RB0- 3 SHO- 1 SH0- 2 SHO- 3 Moistur e

(X )
5. 0 5. 0 5. 0 5. 0 5. 0 5. 0 3.9 1

3.5 5 3.1 7 5.9 6 6.9 0 5.6 2 <0. 1

<0. 1 0.34 5 <0. 1 0.16 3 0.19 5 <0. 1

<0. 1 0.36 6 <0. 1 0.21 9 0.24 0 42 1 42 5 49 1 42 1 42 5 49 1 8.7 3

8.4 1 8.3 6 9.7 9 10.3 3 9.6 1 99. 8

99. 8 99. 4 99. 8 99. 6 99. 6

Saturate da t 92°-analyt1ca l temperature . Determine db

y TC D analysis . c A t stac k conditions . Equatio nA. 3
e Se e Tabl e 2-1 , Combine dGa s Inle t (CGI) . Se e Appendi xA

- Tabl e A-l . "Equatio nA.4 .

- o * ^ i•aui e t-o. ouncii c rii-USHIN G COLUM N VEN TGA S ANALYSI S RESULT

S A TUSSC-HOUSTO N

RU N NO . DAT E TIME SFCV- 1 6/26/8 0 SFCV- 2 6/26/8 0 SFCV- 3 6/26/8 0 AVERAGE
Specie s C-l a 

### C- 2 C- 3 C- 4 C- 4 C- 5 C- 5 analysi s Retentio n tim e (min ) 0.9 7 1.3 7 2.2 0 3.6 0 4.1 0 7.6 4 8.4 4 ppm

v a s compound 126,46 6 4,15 7 1,25 4 

### 14 7 24 9 68. 2 61. 2 ppm

v a s benzen e 29,72 0 1,83 3 

### 80 3 11 2 18 9 * 67. 2 60. 3 ppm

v a s compoun d 134,41 3 4,42 1 1,19 9 

### 145 24 0 64. 9 57. 1 ppm

v a s benzen e 31,58 7 1,95 0 

### 76 7 110 183 63. 9 56. 2 ppm

v a s compound 141,21 3 4,14 9 1,22 9 

### 13 9 24 5 68. 9 56. 0 ppm

v a s benzen e 33,18 5 1,83 0 

### 78 6 10 6 18 7 67. 9 56. 2 ppm

v a s compoun d 134,03 1 4,24 2 1,22 7 

### 14 4 24 5 67. 3 58. 1 ppm

v a s benzen e 31,49 7 1,87 1 

### 78 5 10 9 18 6 66. 3 57. 6

C-6 " C- 6 Benzen e Unknow n Unknow n Toluen e Unknow n Styren e 2.7 6 3.1 9 3.6 6 3.9 6 4.7 0 5.3 6 6.0 3 9.6 1 10. 5

5.8 6 11. 1 5.5 5 8.6 2 2.5 0 0.9 8 4,66 7 12. 4

6.9 4 11. 1 5.5 5 8.6 2 3.0 8 0.9 8 ,33 4 9.0 3

5.6 9 9.7 1 5.2 4 7.8 6 2.2 5 0.8 3 4,31 9 10. 7

6.7 4 9.7 1 5.2 4 7.8 6 2.7 7 0.8 3 4,93 6 11, 2

6.8 9 9.9 7 5.0 8 7.8 4 1.6 8 <0. 1 5,16 5 11. 2

6.8 9 9.9 7 5.0 8 7.8 4 2.0 7 <0. 1 5,90 3 10.2 4

6.1 5 10. 3 5.2 9 8.1 1 2.1 4 0.63 7 4,71 7 11. 4

6.8 6 10. 3 5.2 9 8.1 1 2.6 4 0.63 7 5,39 1
Tota l hydrocarbon s b y specie s itio n 137,11 5 38,16 7 144,90 0 39,69 7 152,30 8 42,16 4 144,77 4
Ijierts H 2 0 , Xb

y volum e N 2 , Xb y volum e 0 2 , Xb y volum e C0 2 , Xb

y volum e H 2 , Xb y volum e CH« , Xb

y volume ' TOTA L 40,00 8

N0 U 65. 9 16. 5 0.4 4 ND 15. 1 97.9 4
Porapa k Q column . b SP2100/0 . I XCarbowaxo n100/12 0 Supelcopor t column . c Holecula r Sieve an

d Chromosor b10 2 columns . No t determined . ND 63. 7 15. 7 0.4 1 NO 15. 2 95.0 1 N O 66. 1 16. 3 0.3 9 ND 15. 0 97.7 9 N O 65. 2 16. 2 0.4 1 NO 15. 1 96.9 1P. 9



## Durin g th e testin g a t th e styren e finishin g colum nven t (SFCV) , th e volumetri c flow

rat e wa s very

low . Th e measuremen t performe dindicate d tha t th e flow

wa s approximatel y

1 (one ) standar dcubi c foo t pe r hou r (scfh) . Th e descriptio nan ddiscussio no f th e volumetri c flo w measuremen t i s containe di nSectio n4. 2 an dAppendi xE . Th e volume flo w rat e result s ca nonl y b e considere destimate s sinc e i t i s suspecte dtha t a lea k wa s presen t i nth e measuremen t syste m an dth e result s presente d coul db e low . Th e result s o f testin g a t th e combine dhotwel l recover y syste m ar e presente di nTabl e 2-6 . Th e samplin g location s ar e describe di nSectio n3 , andth e tes t procedure s ar e presente di nSection.4 .



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