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# OAR Box 1490 Prepped by Charmelle Mathews



### Document

Number: 

# 4DIV-C-1 4 Docket Number: 

# A-94-5 2

Printed 8/4/200811:51:47

AM Sheet 41 of 273P. 2 

# PE S A MACTEC

COMPANY A-94-5 2 Pacifi c Environmenta l S

. , , 500 1 Sout h Miam i Boulevard , j i u a JU D P.O

. BO X 1207 7 Researc h Triangl e Park , N C 2770 9 Office : 919/941-0333 Fax : 919/941-0234 Hom e Page : www.mactec.co m

Februar y 20,200 2 Mr
. Ji mKuzar a Dur r Environmenta l Phone : 248-668-521 6 Fax : 248-926-657 0 FE B 2 0 200 2 TO- i.VCu-^tAi x 

### 0> f $i^J* K

Dea r Jim : Than k yo u fo r talkin g wit h m e yesterday
. I hav e enclose d severa l item s for you r consideration
. Thes e ar e a s follows : Ite m1
. "Summary o f

Durr Industry Rotary Concentrato r Syste mCos t

fo r Styren e Control. " Thi s i s asingl e pag e tabl e provide d b y Ji mSton e t o Researc h Triangl e Institut e (RTI) , an d i s date d Marc h 14 , 1996
. Ite m2
. Contac t

Report betwee n Melani e Procto r an d Ji mStone , date d Apri l 2 5 an d 26 , 2001
. Ite m3
. Contac t

Report betwee n Melani e Procto r an d Ji mStone , date d Ma y 11 , 2001
. Ite m4
. Fa n Powe r

Calculations
. Spreadshee t showin g calculate d fa

n power s (kW ) for

variou s combination s o f

fa n efficiencie s (eithe r

0.6 5 o r 0.8 ) an d pressur e drop s (5 , 6 o r 8 ) i n inche s water . Thi s spreadshee t

was create d t o se e what

combination s o f

fa n efficiencie s an d pressur e drop s woul d yiel d th e electrica l consumptio n value s show n i n Ite m1
. A littl e background
. W e ar e supportin g EP A i n th e developmen t o f aNESHA P for

th e reinforce d plasti c composite s (RFP ) industry
. T o support thi s an d anothe r

effort , bac k

i n 1996 , RT I was puttin g togethe r

costin g algorithm s for

controllin g styren e emission s usin g variou s technologies
. On e o f

thos e technologie s wa s th e Dur r rotar y concentrato r

syste m(includin g th e carbo n be d an d th e oxidizer)
. Ji mSton e provide d th e informatio n show n i n Ite m1 an d RT I use d i t t o develo p acostin g algorith mwhic h w e use d i n th e RF P standar d developmen t process . W e receive d comment s (generate d b y Ro b Haberlein ) tha t questione d th e natura l ga s an d electricity costin g associate d with th e rotar y concentrato r

system . PE S calle d Ji mSton e t o clarif y Vh e numbers
. Whil e w e thin k w e understan d th e natura l ga s numbers , w e stil l ar e concerne d abou t th e electricity consumptio n numbers
. Ro b Haberlei n use d th e fa n powe r equatio n fro m EP A Contro l Cos t

Manua l an d highe r

pressur e drop s suc h tha t

h e generate d muc h highe rP. 3

Mr
. JimKuzara Dur r Environmenta

l Februar y 20 , 200 2
electricit y consumptio n numbers
. A s I mentioned , h e wa s looking a

t pressur e drop s o f a t leas t 1 6 inches
. I believ e he als o referenced on e o f Durr' s installation s a

t aRF P facility
. Wha t w e ar e lookin g fo

r now i s first

an dforemost areview of

th e electricit

y consumptio n information Ji mStone provide d i n Ite m1
. Thes e number s needto represen t a n expecte d pressur e drop acros s th e concentrato r an dthe oxidize

r (and , a s you mentioned , an y intervenin g duct work)
. W

e would als o lik

e mor e detail (words? ) explainin g th e derivatio n of th e electricit

y consumptio n value s (eve

n if the y d o not chang e fro

mwha t Ji mprovided)
. Thi s explanatio n wil l hel p u s respond to publi c comments . Secondly , if

an y of th e othe r cost s have changedfro

mthos e shown in Ite

m1 (sa y b y a t leas t 10%) , w e would appreciat

e a n updat e on thos e value s a s well
. Pleas e d o no t hesitat e t o call m e wit h an y questions
. If

you nee dto talk

to ou r EP A project lead , hi s nam

e i s Keit h Barnet t (919-541-5605)
. I realiz e tha t thi s i s afavor , s o w e wil l wor k wit h you on you

r schedule
. Pleas e le

t m e know whe

n you thin k yo u migh t b e abl e t o get bac k to us . If a t all possible , w e ar

e tryin g to d

o ou r re-costin g withi n th e next

one to tw o weeks
. Than k you ver y much fo r you r time
. Kennet h R
. Meardon 

# ftuv

PACIFIC ENVIRONMENTA L SERVICES , INC
. ^ 919-941-033 3 (phone ) 919-941-023 4 (fax) krmeardon@mactec
. co

m



### 2 ^C\ J C D



# 5 * i o o 0 0
VJ O ^ 

# k

SUMMAR Y O F DUR R INDUSTRIE S ROTAR Y CONCENTRATO R SYSTE M COS T FO R STYREN E CONTRO L A.

SMAL L PLANT , 2 0 TP Y AIRFLO W (Q ) OXIDIZE R TYP E EQUIPMEN T COS T (EC ) MISCELLANEOU S COS T SCF M US $ USS/YEA R ELECTRICA L CONSUMPTIO N k W FUE L CONSUMPTIO N millio n BTU/H R ^ 5.00 0 RECUPERATIV E $149,91 8 $4,04 0 6. 6 0.0 0 1.&

7.50 0 RECUPERATIV E $163,80 2 $4,89 0 8. 3 0.2 3 

### Q,qz

10,00 0 RECUPERATIV E $191,18 3 $6,87 0 10. 1 0.3 8 C. ?-h

15.00 0 RECUPERATIV E $223,73 9 $8,99 0 13. 7 0.6 1 sr^i

20,00 0 RECUPERATIV E $270.93. 4 $12,34 0 17. 2 0.87 MEDIU M PLANT , 10 0 TP Y AIRFLO W (Q ) OXIDIZE R TYP E EQUIPMEN T COS T (EC ) MISCELLANEOU S COS T SCF M US $ US$/YEA R ELECTRICA L CONSUMPTIO N kW |FUE L CONSUMPTIO N millio n BTU/H R 15,00 0 RECUPERATIV E $223,73 9 $8,99 0 13. 7 0.0 0 20,00 0 RECUPERATIV E $291,33 4 $12,34 0 17. 2 0.2 7 y.^i-"

30.00 0 RECUPERATIV E $331,36 1 $14,53 0 24. 3 0.7 8 <TZ-7"

50.00 0 RECUPERATIV E $499,46 1 $13,60 0 38. 5 1.6 0 

## V cr-/ * 100,00 0 REGENERATIV E $1,082,93 2 $27,20 0 74. 1 0.5 2 LARG E PLANT , 40 0 TP Y AIRFLO W (Q ) SCF M OXIDIZE R TYP E EQUIPMEN T COS T (EC ) US $ MISCELLANEOU S COS T USI/YEA R ELECTRICA L CONSUMPTIO N kW FUE L CONSUMPTIO N millio n BTU/H R 50.00 0 RECUPERATIV E $499,46 1 $13,60 0 38. 5 0.0 0 100,00 0 REGENERATIV E $1,082,96 2 $27,20 0 74. 1 0.0 0 s- H

150,00 0 REGENERATIV E $1,512,38 0 $40,80 0 109. 6 0.0 0 4.4

6 ¥
' 200.00 0 REGENERATIV E $1.9)6.72 9 $54,40 0 145. 1 0.0 0 . . 4.W.

250.00 0 REGENERATIV E $2,320,29 6 $66,00 0 180. 7 0.1 9 NOT E 1 . MISCELLANEOU S COS T I S FO R ADSORPTIO N MEDI A REPLACEMEN T EVER Y 5 YEAR S 2 . RECUPERATIV E OXIDIZE R HA S 60 % THERMA L EFFICIENC Y 3 . REGENERATIV E OXIDIZE R HA S 90 % THERMA L EFFICIENC Y 4 . CONCENTRATIO N RATI O I S 10: 1 FO R AL L SYSTEM S 5 . EQUIPMEN T COS T I S F.O.B . PLYMOUT H M l 6 . NO T INCLUDED . INSTALLATION . FOUNDATION . DUCTWORK . START-UP . PERFORMANC E TESTIN G 

### H * STYRDAT1.XL S 3/14/96 . 10:27 A M

T JP. 5 

# J7e^K ^

Contac tRepor t From : Melani e Proctor , Pacifi c Environmenta l Services , Inc
. (PES ) Date : April 25,200 1 an dApri l 26,200 1 Contact : Mr
. Jame s Stone , Sale s Manage r - On-Sit e Program s Company : Dur

r Environmental , Inc
. Telephon e Number : (630)587-996 0 Fa x Number : (630 ) 587-997 0
Contac tSummary : Mr
. Stone wa s contacted to verif y cos t information previousl

y provide dt o th e Researc h Triangl e Institut

e (RTI) fo r Diir r Environmental , Inc
. rotar

y concentrator

systems . I n respons e t o Ms
. Proctor' s question s Mr
. Ston e indicate dth e following : Th e information Diir

r Environmental , Inc
. provide dt o RT I i n 199 6 i s stil l applicable , wit h th e exceptio n of

cost s fo r smalle r ski dmounte dsystems , which hav e decrease dsinc e 1996
. Mr
. Stone explaine d tha

t Dur r Environmental , Inc
. sell s rotar y concentrator

system s designe d t o handl e flow s a s lo w a s 3000 cf man d a s hig h a s 700,00 0 cfm
. A Diir r rotar y concentrator

syste m wit h highe r flow s (i.e. , greate

r tha n 60,00 0 cfm

) wil l typically consis t

o f more tha n on e module
. Eac h added module ca

n handl e a n additiona

l flow of 60,00 0 t o 70,000 cfm
. Mr
. Stone furthe

r indicate d tha

t th e cos t informatio n provide db y Diir r Environmental , Inc
. i s applicabl e t

o rotar y concentrator

system s a s lo w a s 3,000 cf man dhigher tha n 300,00 0 cfm, contrar

y to claim s mad

e b y CF A (se e informatio n attached)
.

INFORMATIO

N I S ACCURAT

E 

# 4P. 6 

## ITE M 3

Contac tRepor t From : Melani e Proctor , Pacifi c Environmenta l Services , Inc
. (PES ) Date : Ma

y 11,200 1 Contact : Mr
. Jame s Stone , Sale s Manage r - On-Sit e Program s Company : Dur

r Environmental , Inc
. Telephone Number : (630)587-996 0 Fa x Number : (630 ) 587-997 0
Contac tSummary : Mr
. Stone wa s contacted to verif y cos t information previousl

y provide dt o th e Researc h Triangle Institut

e (RTI ) fo r Diir r Environmental , Inc
. rotar

y concentrato

r systems . I n respons e t o Ms
. Proctor' s question s Mr
. Stone indicate dth e following : Th e pressur e dro p in Diir r rotar y concentrato

r system s without

an y pre-filtratio n i s betwee n 6- 8 inche s an

d the combined fa

n an d moto r efficienc y i s betwee

n 6 5 and8 0 percent . Th e data provided t o RT I in 199 6 ar

e fo r system s withou

t an y pre-filtration
. Facilitie s generally nee da t leas t som e pre-filtration , however , th e amoun t o f pre-filtratio n varie s fromfacilit y t o facility
. Th e dataprovide d t o RT

I show no step up i n electrica l consumptio n du e to a

n increase d pressur e drop whe

n switching fro

marecuperativ e to aregenerativ e oxidize r becaus e th e therma

l efficienc y of th e regenerative oxidize

r ha s bee n reducedfro

m9 5 to 9 0 percen

t t o yiel dahighe

r stac k ga s temperatur

e neede d t o desor b th e volatil e organi c compound s (VOCs ) fro mth e carbo n i n th e pre-concentrator . Th

e lowered therma

l efficiency reduce s th e pressur e dro p fo r th e regenerativ e oxidizer
. Wit h regar d to fue l use , Mr
. Stone explaine dtha t facilitie s ma

y choos e a concentrator/recuperative oxidize r fo r flows les s tha

n 75,00 0 cf

man daconcentrator

/ regenerativ e oxidize r fo r flows a t 75,000 cf man dabove
. He addedtha

t fro matechnolog y standpoint , a recuperativ e oxidize

r coul d b e use d a

t an y flow rat e eve n a t flows above 75,00 0 cfm , but fo r highe r flow rate s aregenerative oxidize r ma y b e abette

r choic e froma

n economica

l standpoint
. Mr
. Stone adde d tha t balancin g operatin g an d capita l cos t consideration s will determin e th e customer' s choic e between arecuperativ e an

d aregenerativ e oxidizer
.

INFORMATIO

N I S ACCURAT

E 

## <3P. 7 

## ITE M 4 FA N POWE R CALCULATION S Typ e o f Oxidize r Flo w (cfm ) Fa n Powe r (kW ) Calculate d Fa n Powe r(kW )
recu p recu p recu p recu p recu p recu p recu p rege n rege n rege n rege n 500 0

750 0 1000 0 1500 0 2000 0 3000 0 5000 0 10000 0 15000 0 20000 0 25000 0 6. 6

8. 3 10. 1 13. 7 17. 2 24. 3 38. 5 74. 1 109. 6 145. 1 180. 7 3.67187 5

5.50781 3 7.3437 5 11.0156 3 14.687 5 22.0312 5 36.7187 5 73.437 5 110.156 3 146.87 5 183.593 8 4.4062 5

6.60937 5 8.812 5 13.2187 5 17.62 5 26.437 5 44.062 5 88.12 5 132.187 5 176.2 5 220.312 5 4.51923 1

6.77884 6 9.03846 2 13.5576 9 18.0769 2 27.1153 8 45.1923 1 90.3846 2 135.576 9 180.769 2 225.961 5 5.42307 7

8.13461 5 10.8461 5 16.2692 3 21.6923 1 32.5384 6 54.2307 7 108.461 5 162.692 3 216.923 1 271.153 8 5.87 5

8.812 5 11.7 5 17.62 5 23. 5 35.2 5 58.7 5 117. 5 176.2 5 23 5 293.7 5 7.23076 9

10.8461 5 14.4615 4 21.6923 1 28.9230 8 43.3846 2 72.3076 9 144.615 4 216.923 1 289.230 8 361.538 5 Fa n Efficiency 0. 8 0. 8 0.6 5 0.6 5 0. 8 0.6 5 Pressur e drop , inche s H2 0 5 6 5 6 8 8 Equation : kW = 0.000117 5 x flo w x inche s wate r fa n efficienc y



# 6 flow.xls