# OAR Box 1313 Prepped byLaTeia Shed



### Document

Number: 

# 31 ) ll-B- 5
Docket Number: 

# A-88-0 2

Printed 6/12/20089:03:28AM Sheet 31 of 99 P. 1

# (§ ) or-s- 5

CY

. - P. 2



## A-88-0 2 MIDWES TRESEARC H INSTITUT E 450 5 Creedmoo rRoa d *.•:;*'>Raleigh , N.C

. 2761 2

, Telephon e (919 ) 781-575 0


### J8 7 L

Date : Apri l 9 , 198 6

(Finalize dMa y

2 , 1986 ) Subject : Sit e Visit—Stee l Heddl e

Chromiu m Electroplatin g NESHA P EP A Contrac t 68-02-3817 ; ESE DProjec t 85/02 a MR I Projec t 7717- K From : Randy

Strai t To : Al Vervaer t

ESED/ISB/SS S (MD-13 ) U . S . Environmenta l Protectio nAgenc y Researc hTriangl e Park , N.C . 2771 1 I . Purpos e Th e purpos e o f thi s sit e visi t wa s t o gathe r backgroun dinformatio n abou t th e chromiu

m electroplatin g operatio na t thi s plan t an dt o determin e th e suitabilit y

o f thi s plan t fo r chromiu m emission s testing . II . Plac e an

dDat e Stee l Heddl e Pos t Offic e Box186 7 Greenville , Sout hCarolin a 2960 2 (803 ) 244-411 0 Marc h13 , 198 6 III . Attendee s Stee l Heddl e Steve nA . Ramsey , Corporat e Safet y Directo r U . S . Environmenta l Protectio nAqenc y Al Vervaert , IS B Midwes t Researc hInstitut e Randy Strai t

/ • Principa l Laboratorie s 42 5 Volke rBoulevard

. Kansa s City , Missour i 641 1P. 3

IV . Discussio n We arrive da t th e plan t a t 1:3 0 p.m . Th e visi t consiste do f a tou r o f th e platin g shopan da discussio nabou t th e hardchromiu m electroplatin g operatio nan dchromiu

m emissio ncaptur e an dcontro l equipment . A . Genera l Stee l Heddl e 1 s anorigina l equipmen t manufacture r o f stee l heddle s fo r textil e looms . Th e platin g facilit y 1 s operate dbot ha s a captiv e an d a jobshop . Platin g operation s performe da t thi s plan t Includ e chromium , zinc , copper/nickel , copper/sulfate , chemica l polishin g wit hhydrochlori c an dchromi c adds , an

dsulfuri c ad danodizing . Reed s fo r textil e looms an dmiscellaneou s jobsho ppart s ar e chromiu m plated , an

dstee l heddle s ar e zin c plated . B . Proces s Informatio n Ther e ar e fou r hardchromiu m platin g tank s use da t thi s plant , whic h ar e arrange da s show n1nFigur e 1 . Th e dimension s an doperatin g specification s fo r eac htankar e liste d1nTabl e 1 . C . Emission s Contro l Tank s 1 an

d4 ar e equippe dwit hpush-pul l emissio ncaptur e systems , an dtank s 2 an

d3 ar e equippe dwit hdouble-side ddraf t hoods . Visibl e chromi c aci dmis t wa s observe dt o be draw nInt o th e hood s o ntank s 1 , 2 , an d3 . Tank4 wa s no t operatin g durin g the visit . Al l fou r tank s ar e ducte dt o a closed-loo pfum e scrubbe r system

tha t wa s manufacture dan

dInstalle d1n198 1 b y KC HServices , Incorporated . Specification s o f the scrubbe r system ar e presente di nth e Attachment . Th e scrubbe r i s a doubl e packed-be dhorizontal-flow uni t (mode l No . H-2000 ) tha t 1 s locate donth e roo f o f the platin g shop . Th e desig n ga s flow rat e o f th e uni t i s 19,00 0 actua l cubi c fee t pe r minute , an dthe wate r flow

rat e i s 5 7 gallon s pe r minute . Wate r flow s b y gravit y fro m th e scrubbe r t o a recirculatio ntankinsid e the platin g facilit y an d1 s recirculate dt o was hdow nth e scrubbe r ona continuou s basis . Cit y wate r 1 s use dt o mak e upevaporatio nlosse s fro m the system . Th e scrubbe r an d ductwor kar e washe ddow nonc e pe r mont hwit hcit y wate r tha t drain s int o th e platin g tanks . D . Conclusion s Th e fou r chromiu

m platin g tank s a t thi s facilit y appea r t o hav e effectiv e emissio ncaptur e an dcontro l systems . Th e KCHscrubbe r use dt o contro l chromiu

m emission s a t thi s plan t i s a goo dcandidat e fo r testin g fo r th e followin g reasons : (1 ) th e uni t i s representativ e o f th e type s o f contro l equipmen t use dt o contro l chromiu m emission s fro

m hardchromiu

m platin g operations , (2 ) th e scrubbe r syste m ca nb e teste dt o determin e th eP. 4

TANK 3

TAN K 4 STAC K

KCH SCRUBBE R \

/ 

### FA

N ROO F


## I I

RECIRCULATION TAN K

TANK 2 TANK 1

LEGEND AIRFLOW
HATE RFLO

W

Figur e 1 . Schemati c o f Stee l Heddl e chromiu m platin g operation .

m-2

### TABL E 1 . SPECIFICATION S O F HAR DCHROMIUM PLATINGTANK S A T STEE L HEDDL E

Tan k 

### No . 1 2 3 4 Dimension s (1 , w , h) , in . 150 , 36 , 3 6 120 , 21 , 3 6 66 , 21 , 3 6 81 , 30 , 3 6 Capacity , ga l 

### 84 0 390 21 0 380 Hour s o f

operation a
8 , 5 , 5 0 4 , 5 , 5 0 4 , 5 , 5 0 4 , 5 , 5 0 Voltage ,

volts D


### 5 5 5 5 Current ,

ampere s 2,00 0 2,00 0 1,00 0 1,00 0 Metho do f

cooling
Wate r Wate r Wate r Wate r Constituents ,

oz/qa l Cr0 3 

### 3 3 3 3 3 3 3 3 H

2 S0. »
0.3 3 0.3 3 0.3 3 0.3 3 

### ^hours/day , days/week , weeks/year . "Direc t current .

^ inP. 6



### effec t o f recirculate dscrubbe r wate r o ncontro l devic e performance , an d (3 ) ther e 1 s adequat e duc t lengt ha t th e Inle t an dth e outle t o f th e scrubbe r fo r tes t ports . However , i t 1 s uncertai n1 f th e plan t ca n operat e th e platin gtank s a t sufficien t capacit y t o ensur e adequat e emission s loadingfo r testing . Stee l Heddl e personne l wer e very cooperativ e durin gth e visit , an dth e informatio nprovide dwil l be mos t usefu l t o th e chromiu

m study . Attachmen t

j~

### Attachmen t P. 7



## \n - k



# 1 *

\ \ 

# "W

a

%



### < 5 

# I

m c 

# J 3 . 2

i i E a Z 3 ? O 

# J

O M 

# i

o 2 • 6 5 

### 0 

# fcl \

•v .
•* 

### 2 \ S



## T Q 

### < J



# I^ 

# lf l Q 

# 0

1 >

!



## s i



# - £ O 

## o 

# o

a » 

# o * A

0

*x *

u > . U 

# i fc
V A 

# i 2



# i I 

# 3

o > 

## 0 

# ft

•*- " ./ . 

### 0

• > V V 

### V )

J S

V 

## fr 1 

## v * 0 - \ 

### 1 E a Z u i <



### V \ 

### V \ \ 

### •o - 

## J
" 3 

## s • 

### o % 

# 0

s . % \ "



### . o M- > . 

# £

:

VJ l \ 1 ^ 

### 0 

# h < K \
E a Z



# - 1 a 

# i

m 

## 3 m C a 

### < 5 E 3 Z *-* »



### - 8 6 J • 

### € £



# J 5

* •

_ C *

• « > | 

# 1 •

i

« ^MIS T (UM1NAIO * H-20 0 SCRUBBE R WIT H REMOT E RECIRCULATIO N TAN K O n Thousand*

) 11-7 7

CF M A 8 C 0 E F C H W 

### c K OVERFLOW-MAI N PUM P OISCHARG E PUM P SUCTIO N NO . O F NOZZLE S

Q J O.S I t 1 0 1 0 7 0 3 0 1 2 2 1 4 1 4 2 2 8 2 0 2 0 7 1 3 4 | 4 0 3

3 2 2 4 2 4 7 2 4 4 4 3 7 2 9 2 9 S 4 1 3 3 3 3 7 3 4 9 | S 3 3f t If t 6

4 5 3 7 3 7 7 4 5 8 8 5 2 4 4 4 4 7 5 6 5 1 0 5 8 4 6 4 6 8 0 7 1 1 2 6 4 5 2 5 2 1 4 6 9 5 7 S 7 8 1 7 7 | 8 2 4f t
4 2 J 5 4 ISf t 2 1 m 2 3 | 2 6 | 2 8 3 0

30ft | 32* . 35f t | 3 9 | 4 2 | 4 5 2 If t | 2

1 47f t 3 3 I K I k 1 5 6 | 5 9 2 | 3

6 0 | 6 1 4

6 2 1ft 

## > l

6 6 3 6 6 4 8 6 5 8 1 6 7 4 6 2 6 2 1 6 8 1 6 5 6 9 8 2 8 7

3 2 S O

2f t
1 0 6 6 2 0 8 8 2 2 9 7 2 4 10 4 2 6 11 2 2 8 12 3 3 0 13 5 6 1 7 2 | 8 1 | 8 8 | 9 6 |107||1 9 8 7 9 1 5f t 2 66 . | 3 6 | 4 2 52f t 4 1 1 3 If t 1 2 | 1 4 ] 1 6 | 1 8 6 7 1 0 3 5 15 7 4 0 17 9 4 5 20 2 S O 22 4 S S 24 7 6 0 26 9 14l|l63|l86|208j231 | 2S 3

1 4 . | S

4

6 1
2 0 3 2 4 | 2 7 | 30 ] 3 3 | 3 6

N j nuttMX coAtt o matA M (WATI tMA U UF ) HCMMt.lt

• TO HMI O MSTAUf O 

## HE-»S.- I

OIlCMAtC I CONNfCT t T O sr*A*rNOZZU S TO $»«A » NOZZU S BSST i

N , ! •CMKULATM M | TAW

K f|—-n_J I .ruMnucnoS " 

# ti

- _J

_

COOOSK M mtllAN TPUMT H O A

H-200 D FUM E SCRUBBE R WIT H REMOT E RECIRCULATIO N SYSTE M KC H Services , DRAW N B Y OAT E JO B NO . r*ct\* inc . —

** « - Rutherfordton , USE R PURCH . LOCA . N.C .

0 0

# r^ s~\ 

# r\ 11-7 7

H-20 0 SCRUBBE R WIT H SELF-CONTAINE O RECIRCULATIO N Q n Thousands )

MIS T fUMINATOI

COMOUO N HSISTAN I fUMt *
WCMMOIO I CF M A • C 0 f F C 

### c K DRAIN-LIN E PUM P DISCHARG E PUM P SUCTIO N w«wn- n mUtMtMM Q

J O. S I S 1 0 1 0 7 0 3 0

2 .

* 1 2 2 1 4 1 4 3

. " 3 0 2 0 7 1 3 4 | 4 0 3

3 2 2 4 2 4 7 2 4 4 3f t If t 2 3 | 3 6 | 3 8 3
« 1 1 5 9 1 4

3 7 2 9 2 9 5 4 1 3 3 3 3 7 3 4 9 | S3
30»|32f t 6

4 5 3 7 3 7 7 4 s a

35f t
1 I * J H 2 | 3 6 0 6 6 1 4

6 2 8 S2 4 4 4 4 7 5 6 5 10 5 8 4 6 4 6 8 0 7 1 1 2 6 4 5 2 5 2 1 4 6 9 5 7 5 7 S I 7 7 | 8 2 4f t 3 9 | 4 2 | 4 5 |47 H 3
if t 1 2 1 1 If t 6 6 3 6 4 1

6 5 8 1 6 7 4 6 2 6 2 I S S I 6 5 6 9 S3 8 7

S O
I H 3f t 3 1 0 3 0 8 8 2 2 9 7 2 4 10 4 2 6 11 2 2 8 12 3 3 0 13 S 3 5 IS 7 4 0 17 9 4 S 20 2 S O 22 4 S S 24 7 6 0 26 9 6 1 7 3 | S I | S

S | 9 6 |I07||I9|I41|163|IS6|20«|23 I |2S 3

8 7 9 1 5ft 2 52f t 4
1 3 1 2 2f t 1 4 | 1 6 | I S 3

* > 4 3 4 4

S Tl |3 0 4

3 3 | 3 6 6 6 6 7 10 

# r J p*-nowMfi u (F*O M WAT HMAUUT)

— *—^^^^^*^mmmm^^^*^m.
.

OfA N OU

TOOOO 1 • § ^N^ ' I > l ' > l Il

JCUAN C

-ROWAOJ.VA1V I

nAlIIK X COA1H

) STHltA U H-200 D FUM E SCRUBBE R WIT H SO F CONTAINE D RECIRCULATIO N SYSTE M

* \ KC H Services , Inc . DRAW N B Y DAT E JO B NO . —Rutherfordton , N.C . USE R PURCH . L0CA . U C O