Polyvinyl Chloride and Copolymers (PVC) Production

Beyond The Floor Analyses

Storage Tanks

February 7, 2012

Worksheet Names

Models
ride and Copolymers (PVC) Production

oor Analyses

Description 

Beyond the Floor Model for Storage Tanks
ATTACHMENT D: BEYOND THE FLOOR ANALYSIS FOR STORAGE VESSELS

02/07/2012

Emissions, lb/yr*

20,000 gal 40,000 gal

MTVP, 1 TO 5 TO 1 TO 5 TO VP, mm Hg Lowest

HAP psi S_Loss W_Loss Total W_Loss Total S_Loss W_Loss Total W_Loss Total 25 C emissions 10.78992 120.069692

Methanol 1.85 557 49 606 243 800 20 C Trend

Methylene chloride 6.78 3,693 246 3,939 1,229 4,922 6,006 491 6,498 2,457 8,464 79 1,176 972

Hexane 2.35 1,763 171 1,933 853 2,616 92 571 1,113 y=10.79*VP+120.1

Acetaldehyde** 14.5 115 1,482 1,361

Propylene oxide 8.48 3,724 211 3,935 1,054 4,778 6,015 422 6,437 2,109 8,124 125 606 1,469

Vinylidene chloride 9.64 8,028 400 8,428 1,998 10,026 12,922 799 13,721 3,995 16,917 151 1,933 1,749

Vinyl acetate 1.74 1,357 125 1,482 627 1,983 194 3,484 2,213

Ethyl benzene 0.14 250 3,366 2,818

Phenol 0.004 429 3,939 4,749

Methyl isobutyl ketone 0.28 533 3,935 5,871

Acetonitrile 1.41 523 48 571 241 764 601 8,428 6,605

Chloroform 3.00 3,183 301 3,484 1,507 4,690

Methyl tert-butyl ether 2.13 3,071 294 3,366 1,472 4,543

Ethylene dichloride 1.20 1,079 98 1,176 488 1,567

> 4 psi -----> > 0.75 psi ----->

* Emissions = breathing losses (S_Loss) + working losses (W_Loss). Default values for Atlanta, Georgia.

** Unable to model acetaldehyde tank emissions due to vapor pressure.

Estimated S and W

mmHg psia emissions, lb/yr

triethylamine 57 1.1 735

trichloroethylene 69 1.3 745

benzene 95 1.8 1,025

acrylonitrile 109 2.1 1,176

carbon tetrachloride 115 2.2 1,241

methyl chloroform 124 2.4 1,338

MTBE 250 4.8 2,697

acrolein 274 5.3 2,956

carbon disulfide 359 6.9 3,874

allyl chloride 368 7.1 3,971

Vapor pressure (25C)

y = 10.79x + 120.07

R2 = 1

0

1,000

2,000

3,000

4,000

5,000

6,000

7,000

8,000

9,000

0 100 200 300 400 500 600 700

Emissions, lb/yr

Vapor pressure, mm Hg

Emissions vs Vapor Pressure
ATTACHMENT D: BEYOND THE FLOOR ANALYSIS FOR STORAGE VESSELS

02/07/2012

Emissions Needed to Achieve Cost Effectiveness of $3,500/ton

Volume

Degas 

(1989)

FlRoof 

(1989)

Cost 

Escal*

TCI 

(2010) O&M

Emissions

, lb/yr

Emiss 

Red, lb/yr TAC** Rec. Cr.*** $/ton

Volume 20,000 $1,227 $8,817 1.80 $18,087 $1,809 1,997 1,897 $3,795 $949 $3,500

Volume 20,000 gal 75.7 m3 30,000 $1,510 $9,925 1.80 $20,593 $2,059 2,599 2,469 $4,320 $3,500

Tank diameter 15.0 ft 4.6 m 40,000 $1,750 $10,807 1.80 $22,614 $2,261 2,497 2,372 $4,744 $1,186 $3,500

Height 15.0 ft 4.6 m 50,000 $1,963 $11,552 1.80 $24,338 $2,434 3,071 2,918 $5,106 $3,500

60,000 $2,155 $12,203 1.80 $25,858 $2,586 3,263 3,100 $5,425 $3,500

Volume 30,000 gal 113.6 m3 * Cost escalation conducted from 7/89 to 6/06.

Tank diameter 17.2 ft 5.2 m ** TAC (annualized capital cost plus O&M, w/o recovery credit).

Height 17.2 ft 5.2 m ***Based on $500/ton (approx average of methylene chloride and ethylene dichloride from Platts)

Equation: Emissions = 0.0191 x volume + 1442.7 (R2=0.99)

Volume 40,000 gal 151.4 m3

Tank diameter 18.953 ft 5.777 m

Height 18.953 ft 5.777 m

Volume 50,000 gal 189.3 m3

Tank diameter 20.4 ft 6.2 m

Height 20.4 ft 6.2 m

Volume 60,000 gal 227.1 m3

Tank diameter 21.7 ft 6.6 m

Height 21.7 ft 6.6 m

bEmissions estimated for model tank in Atlanta, Georgia using TANKS4.
ATTACHMENT D: BEYOND THE FLOOR ANALYSIS FOR STORAGE VESSELS

02/07/2012

Turnovers: 1

mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg

39 52 78 103 129 155 39 52 78 103 129 155

psia psia psia psia psia psia psia psia psia psia psia psia

Volume TAC** 0.75 1 1.5 2 2.5 3 0.75 1 1.5 2 2.5 3

20,000 $3,795 539 678 957 1236 1515 1794 13616 10717 7455 5665 4534 3755

30,000 $4,320

40,000 $4,744 606 15188

50,000 $5,106

60,000 $5,425

Turnovers: 5

mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg

39 52 78 103 129 155 39 52 78 103 129 155

psia psia psia psia psia psia psia psia psia psia psia psia

Volume TAC** 0.75 1 1.5 2 2.5 3 0.75 1 1.5 2 2.5 3

20,000 $3,795 2213 2910 4305 5700 7095 8490 2955 2133 1288 856 595 419

30,000 $4,320

40,000 $4,744 800 11379

50,000 $5,106

60,000 $5,425

Turnovers: 10 # of TO's $/Ton

mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg mm Hg 1 $ 15,188

39 52 78 103 129 155 39 52 78 103 129 155 5 $ 11,379

psia psia psia psia psia psia psia psia psia psia psia psia 10 $ 8,616

Volume TAC** 0.75 1 1.5 2 2.5 3 0.75 1 1.5 2 2.5 3 20 $ 5,725 

20,000 $3,795 4305 5700 8490 11280 14070 16860 1288 856 419 198 64 -25 40 $ 3,315

30,000 $4,320 80 $ 1,657

40,000 $4,744 1044 8616 160 $ 662

50,000 $5,106

60,000 $5,425

Using methanol TANKS value in CMAS table, VP = 1.85

lb/yr Emissions $/ton including recovery credits

lb/yr Emissions $/ton including recovery credits

lb/yr Emissions $/ton including recovery credits