Document RjGRx0EOY5erL7dNQvGY6yBDa
CAUSTIC 1 / CHLOR-ALKALI2
1997 REACTIVE CHEMICALS REVIEW
CAUSTIC AREA (Both Plants)
00 A 0366?1 OONFTDFNTTAI
NaOH EVAPORATOR AREA
23SJ Sltwn
OO o^ -5f P^O) - -V\Js
NaOH CENTRIFUGES & PRIMARY COOLING AREAS
NaOH FINISHING AND STORAGE AREA
CAUSTIC l/CAII
REACTIVE CHEMICALS REVIEW FEBRUARY, 1997
RAW MATERIALS/PROCESS AIDS
- RAW MATERIALS Cell Effluent (8-11% NaOH, 15-17% NaCI, 72% Water)
- PROCESS AIDS Steam (150# and 235#) Carrier Brine (Caustic I Only) Process Water River Water Instrument Air Plant Air
- SUPPLIES
HCL (Used for pH Control at Caustic 1-Does Not Contact Process)
Lithium Bromide (ARU-not in Contact With Process)
Revisedl/27/97
I
1 <1'
(M1i' ( imiti.l >
'i-X * '1
DO A 0 3 0 0 7 5
CONFTDFNTTAl
CAUSTIC l/CAll
REACTIVE CHEMICALS REVIEW FEBRUARY, 1997
RAW MATERIALS/PROCESS AIDS: SOURCE AND STORAGE
- SOURCE Cell Effluent Steam Carrier Brine Process Water River Water HCL Lith. Bromide CTW
CL2 and CA2 (Pipelines) Power I (Pipelines) CL2 (Caustic I Only-Pipeline) Utilities (Pipeline) Plant Pumps (Caustic I Only-Pipeline) Solvents (Pipeline-Caustic 1 Only) ARU (Contained Within Unit) Plant Pumps (CAII Only)
- BLOCK STORAGE
Cell Effluent - T-1 (Plant Feed), T-2 (User Feed), T-1 A, T-2A, T-3, T-109 Tanks @ Caustic; D-301, D-316A @ CAII
HCL, Steam, Carrier Brine, Process Water, River Water
Lith. Bromid
- No Storage: Supplied via Pipeline on Demand - Stored Within ARU
Revis d 1/27/9'
9 i9 9 t'0
CAUSTIC l/CAII
REACTIVE CHEMICALS REVIEW __________ FEBRUARY, 1997
I
RAW MATERIAL: SPECIFICATIONS
Cell Effluent
Caustic (NaOH)
%
Iron (Fe)
PPM
Sodium Sulfate (Na2S04)
PPM
Sodium Sulfite (Na2S03)
PPM
Sodium Chlorate (NaCI03)
%
5-15 <1.0 <2500 1-20 <0.03
oo A 036637
CONFTOFNTTAI
Revised 1/27/9
CAUSTIC l/CAll
REACTIVE CHEMICALS REVIEW FEBRUARY, 1997
j
PRODUCTS/BY-PRODUCTS
- PRODUCT 50% Caustic (50% NaOH, 0.9% NaCI, 49.1% Water)
- BY-PRODUCTS Condensate (Boiler and Non-boiler Grade) Salt Slurry Sulfate Purge
o
33 Z3 Ti
-t X>
3Tj
Z3
HMT> ^3V
^ CO
Revised 1/27/9'
CAUSTIC l/CAII
REACTIVE CHEMICALS REVIEW FEBRUARY, 1997
PRODUCTS/BY-PRODUCTS: IN-PLANT DISTRIBUTION
- PRODUCT Caustic - Pipelines to Storage Tanks in Plant and at Tank Farm Cell Effluent - Pipelines to Users (Backflow Protection Critical)
- BY-PRODUCTS
Condensate - Boiler Grade Routed from Collection Tank to Power I or Used Internally
- Non-Boiler Grade consumed in Process or Rout d to Canal
Salt Slurry
- Routed from Two Salt Columns (D-205&D-207) to
CL2 or Used Internally (CAM)
n
3 z>
- Brine Mixed with Salt to Assist in
Zn 3 Transfer
33 3--$ x> Sulfate Purge - Routed to User Feed Tank (T-2) @ Caustic
HZ 33
--i 3
Revised 1/27/97
> \)
f~ vO
CAUSTIC l/CAII
REACTIVE CHEMICALS REVIEW I]
FEBRUARY, 1997
1
PRODUCT SPECIFICATIONS 50% CAUSTIC
Caustic (NaOH)
%
Salt (NaCI)
%
Iron (Fe)
PPM
Sodium Carbonate (Na2C03)
%
Sodium Sulfate (Na2S04)
%
Sodium Chlorate (NaCI03)
%
Nickel/Copper (Ni/Cu)
PPM
Nickel
PPM
Arsenic (As)
PPM
Mercury (Hg)
PPM
or> o Lead (Pb)
3*
2 0)
Heavy Metals as Pb Silicon (Si)
--t JTv ^ O'
Manganes (Mn)
o^
PPM PPM PPM PPM
49.0-51.0 <1.0 <5.0 <0.2 <0.025 <0.15 <1.0 <0.95 <1.5 <0.5 <5.0 <15.0 <100 <1.0
Revised 1/27/9;
CAUSTIC l/CAII
REACTIVE CHEMICALS REVIEW
FEBRUARY, 1997
"-t1--?- '.''v
h,-:9 >!
it*. .or-
. _> '* r^l^t'J*
BY-PRODUCT SPECIFICATIONS
Salt Slurry
Caustic (NaOH)
%
Salt Settle Volume (SV)
%
Conductivity Hydrazine
Boiler Grade Condensate
MMHOS PPM
1.25 Max 5-50
10 Max 0
72o?
O o
2~r> U)
U)
Revised 1/27/91
CAUSTIC I/OAll
REACTIVE CHEMICALS REVIEW FEBRUARY, 1997
REA..CTIVI"TY: ...5..0. % NaOH
- WATER
- Dilution With Water is Exothermic
- Rapid Temperature Increase Can Result
- Heat of Dilution:
Naoh*H20+H20-^NaOH*2H20+175 BTU/LB
- ACIDS
- Reaction is Violent and/or Explosive
- ORGANIC COMPOUNDS - Chlorothene and other organic cleaning agents should not be used in caustic service.
Potential Violent Reaction
- METALS
- Rapid Reaction With Aluminum, Copper Tantalam, Tin, and Zinc.
- Can React with Amphoteric Metals in Water Solutions to Generate H2 Gas
- Reaction With Bronze and Brass
R vised 3/4/97
CAUSTIC l/CAll
REACTIVE CHEMICALS REVIEW FEBRUARY, 1997
- Flammability - Not Flammable
1V'
00 A 036633
OONFTDENTTAl
Revised 3/4/97
-- -------------------------------------------
g^MV
CAUSTIC 1
REACTIVE CHEMICALS REVIEW
FEBRUARY, 1997
t*. v.v-.'/< * -- 5'iV.... ** .,V-,|i ,, * ,**..
>`5'5 !..Sr-* 'V'" -^a*";- .'.-'*--"U;T '.
REACTIVE CHEMICAL CONCERNS
1
4
. .1
-
CONCERN Cell Effluent DistributionBackflow From User Plants
Water/NaOH Heat of Dilution
Utility SystemsCaustic Contamination
Corrosion of Nickel Clad Vessels
o
3O 23 T? ~f 3> 3 3o
23 Cf\
O' X> OJ
by Hypochlorites in the Cell Effluent Feed
PREVENTIVE MEASURES User Plants Surveyed in May, 1994 to Ensure Backflow Protection is In-place.
Water is Added Throughout Process. Continuous Flow and Closed System Control Temperatur Increase Near Normal and Eliminate Impact Of Boiling Action, Respectively.
Double Block and Bleed Used at All Cross Tie Points.
Cell Effluent Analyzed for Hypochlorites. Neutralized With Sodium Bisulfite.
Revis d 1/27/91
CA Il/CAUSTIC AREA CRITICAL INSTRUMENTS
T-301 High Level Switch P-302 Gear Low Oil Pressure A-301 High Amps
Dow Confidential
Do
c.QNr rFNT74(
CAUSTIC I CRITICAL INSTRUMENTS
D-205 High Level Switch D-207 High Level Switch T-204 High Level Switch
Dow Confidential
01/23/97 HO A 036636 CONFIDENTIAL
1
LAD CRITICAL INSTRUMENT LIST
Bldgs 6 Grnds
PM MODULE PT-1001
TAGS PT-1001
GRP
Caustic
LSH-3311
LSH-3311 TSH-291
MO
Causti c
PSL-3228
PSL-3228
150
Caustic
IA-3651
IA-3651
190
Liquefaction
UQ_CL2
Purificat ion
D-227BJTEMP
Purificat ion
D-277ATEMP
PT-52425 EV-S2400 EV-S2402 EV-52405
TT-2613A TT-2613B CV-2604
TT-26UA TT-2614B CV-26CM
180 170 170
Liquefaction
0-526_H2
AT-51310 AT-51311 AT-51312
1A16
Hydrogen Recovery
AM61_02
Bldgs & Grnds CGD-CRIT-CHECKS 1
AT-6091 AT-6092 AT-6093 CV-61H feV-6007
MC-601
CGDCrew Maintains List
IA16 (All
DESCRIPTION Low Breathing Aii to control room
T-301 high livel twitch P-302 gear low ol pressure
A-301 high amps Liquid transfer lina EBV
D-227 B temperature transmitter
D-227 A temperature transmiHer
High K2 Inerts in 0-526 tail gas
At-161 02 in H2 analyzer
Area Combustible Monitors Analyzer House Monitors
CA2 PLANT
CONSEQUENCES OF FAILURE Loss o1 breathing air pressure Potential personnel injury Major equipment damage Major production loss
Potential undetected leak
Review Date: 1197
LEVEL REQ FREQ GEMTS PROC DRAWING* FIELD ID
2 N 6M V
Y
N/A
Y
2 N 3M Y
2 N 3M Y
N 3M
Y
Y B1-305 Y B1-3M Y B1-322
Y Y Y
3 N 1M Y
Y B1-502F
Y
Explosive potential (tally pols) Explosive potential (tally pots)
Explosive potential
2 N 3M Y
Y B1-21BC
Y
2 N 3M Y
Y B1-21BC
Y
2 N 3M Y
Y B1-5513
Y
Explosive potential
Explosive potential Potential lor asohvxiation
2 N SD Y Y B1-604
Y
2
N 12M
Y
Y
KIA
Y
on a
2o
2TaTH1)
X> OCO
H O'
I->H COO'
~ NJ
Crit tost cj2 fs
D Mack
I I
LAD CRITICAL INSTRUMENT UST
Caust tc
PM MODULE LSH-05600
TAG* LSH-05600
Caustic Caustic
LSH9013 LSH-153T
LSH-9013 LSH-1537
Bldgs & Grnds CGD-CRIT-CHECKS
CGDCrew Maintains list
GRP MO MO MO IA11
DESCRIPTION D-205 HI LEVEL SWITCH
D-207 HI LEVEL SWITCH
T-2CM HI LEVEL SWITCH COMBUSTIBLE GAS MONITORS ANALYZER HOUSE MONITORS
CAUSTIC PLANT
Review Date: 1197
CONSEQUENCES OF FAILURE POTENTIAL PERSONNEL HAZARD POTENTIAL PERSONNEL HAZARD POTENTIAL PERSONNEL HAZARD
LEVEL REQ FREQ GEMTS PROC DRAWINGS FIELD ID
2 N 6M Y V BI-2056
Y
2 N EM Y
Y BI-2222
Y
2 N 6M Y
Y Bt-2032
Y
POTENTIAL FOR EXPLOSIVE MIXTURE
2
N 3M
Y
Y
N/A
Y
r> Oo
o^ x> 5? -f ^ cv
CD
caustic vis
LAO CHLOR-ALKALI
Instructions
Chlor-Alkall Depurtminl
To acetic raactlva chamlcal information for a apaciflc area, follow tha Inatructlons outllnad below: 1) Uiing the arrow* in tha lower left hand comer, ccroU to the left or right to find tha worksheet
for the reactive chemical data for which you are Marching. Note that the arrow* with the vertical line* mov* you to tha extreme left and right of the worksheet Uct. These reactive chemical workahaet* Include tha following:
2) Click the mouce on the workcheet of choice and the worksheet will appear on the screen. 3) Scroll up or down to find the chemical for which you are Interacted, and then acroll
acrot* to find the chemical or material of construction for which it la to mix with. 4) You can print out any of the worksheet* by selecting that worksheet and executing a print request.
This document i* intended to provide general information on reactive chemical data.
Rxchm703: Instructions
Dow Confidential Page:1
Rev.Date: 8/7/96 Print Date: 1/27/97
LM> CHUM-ALKALI
Process Chemicals REACTIVE CHEMICAL MATRIX
or> o
Zo TJ
o-H > 2 cOo
-i O'
2w> Ofc.'
~o
RxctimTOS: Pwcm Chmlch
Print Date W77WT
| X=Unlikely Mixture
lao chlor-alkau Process Materials
REACTIVE CHEMICAL MATRIX
~
|
DO A 0 3 6 6 4 1
OONFTDFNTTAl
Rxchm703: Process Materials
Dow Confidential Page:1
Rev. Date: 10/31/96 Print Date: 1/27/97