Appendix C
Detailed Mass Balance Sheets
-- Pre-Conceptual Designs of Various Alternatives for the V-Tanks
Rev. 0; November 2002
Pre-Conceptual Designs of Various Alternatives for the V-Tanks Rev. 0; November 2002
._ . .
Appendix C
C1. DETAILED MASS BALANCE SHEETS
For clarity and convenience of use, detailed mass balance data spreadsheets for each option are provided in the accompanying Appendixes A and C Spreadsheets volume. However, the data is being validated and is subject to change. The spreadsheets supplied include:
Vitrification Options
In situ
Ex situ
Thermal Desorption
On/off-Site
On-Site
Off-Site
Chemical OxidatiodStabilization
In situ COG Ex situ COG
C2. ASSUMPTIONS
The following assumptions were used in developing the spreadsheets in this appendix:
The treatment alternatives flow sheet represents a complete solution, with all secondary waste streams and stack emissions complying with applicable regulations.
Treatment of the tanks will be based on the contents of the waste. Separate treatment trains for solid and liquid are not a requirement, although treatment alternatives may allow for some level of decant steps.
Treatment of the main organic constituents (TCE, PCE, PCB, and BEHP) in a given treatment alternative will be robust, relative to the non-detect organics as to require material balance tracking of every non-detect specie that exceeds the Universal Treatment Standard.
The concentrations of the CFTs in the primary and secondary wastes will be tracked to the final waste form following all the necessary treatments. The concentration in the final waste form will
h. For gaseous releases, not all of the treatment alternatives will be held to the same standard, Le. some alternatives by the nature of contamination destruction will be held by the stringent MACT requirements. The specific regulatory status will be spelled out in each treatment alternative section.
Pre-Conceptual Designs of Various Alternatives for the V-Tanks Rev. 0; November 2002
c- 1
be lower than the treatment standard (TS) concentration when the TS is based on total concentration. For the contaminants that have to meet a toxicity characteristic leaching procedure (TCLP) TS, suitable process knowledge will be required for any CFT with a total concentration exceeding the divide-by-20 rule. '
i. The basis for the divide-by-20 rule is that the total concentration of a RCRA metal in a non-wastewater form could theoretically fail TCLP based on the assumption that all of the metal is soluble in the TCLP extract. If process knowledge of a particular treatment (extent of immobilization) exists to imply that the TCLP limit would not be exceeded, this would have to be articulated to persuade the reader to accept the assertion of successful treatment (immobilization) regardless of the final reported total concenlration.
c - 2 Pre-Conceptual Designs of Various Alternatives for the V-Tanks
Rev, 0; November 2002
C3. IN SITU VITRIFICATION DATA SPREADSHEETS
4
each t a b
3A - ISV Vitrified
CAC Filter /u - FracNre & Excavate 1
Vitrified Monolith
12A - vimtied Waste Form Disposal
8 c - Grouted
8E - Aqua-Set - Stabilize
- 1 2 c 4 Wate Form
12E & Packaging 12B
Disposal - 8B - 12D ' - 12F
ICDF A,,-Set - 11 - Excavate
Tanks (& soil)
Figure C-1 . Alternative 1 .a. ISV process flow diagram.
_I__
Pre-Conceptual Designs of Various Alternatives for the V-Tanks Rev. 0; November 2002
c-3
--
C4. EX SITU DATA SPREADSHEETS
Vent
- 15 - Fines -
Super Metal Off-Gas Heater HEPA
Heat to 150°C. Filter
7 - Sludge + Liquid 1 - V-TANK (Generic)
(2 Stages) 11 - (1 00°C - 12 - 21 00°C
as necessary - > 150°C
Off-Gas 16-<100"C 17 - >lOO°C
Quench
Wet Spray Scrubber wlSump - 2o t-50"C
8 - Soil s k c i e n t to meet
In-LeTkaae 10 nCilg 2 - 20 yd3 Roll-Off BOX
13 - <I 00°C 14 - >I 00°C
2 - Decant Final Product ESV Batch Operation Liquid Pre-Vit Operations
(4 in. above sediments)
Soil
HEME Heater I - 10 - 20 yd3 Roll-Ofl BOX dT = 25°C
ESV Batch Operation Post-Vit Operations
Water w Addition
SDicient to fill
waste box - 32 - Vitrified Waste Form & Packaging
GAC Filter
1 - 28 - Aqra-Set Stabilize
3 - Fiitered Waste - Water 5 - Grouted
waste Form & Packaging 1
29+ ,
4 - - Disposal Aqiia-Set -- ICDF 4
33 - Excavate Tanks
Figure C-2. Alternative 1 .b ESV process flow diagram.
c -4 Pre-Conceptual Designs of Various Alternatives for the V-Tanks
Rev. 0; November 2002
V-TANKS 0 off-Gas @ Super ~a b Heater --b I
C5. TD ON/OFF SITE DATA SPREADSHEETS
Metal Filter
Fines Sludge + Liquid 100 to 300 C
Soil
Soil
I I
Vacuum Thermal Desorption "Batch Operations" wmitrogen Carrier Gas
Y 3 (Hopper)
'"0 to3"°C
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y n t f , Blower 54 Filters 'A
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To 150 C I Temp
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Stabilize Sample Disposal (3 ICDF
~~~ ~
SGAC Filters: 1 - GAC Filters 2 - SGAC Filters Monitor For V o C s & Hg Residence Time - 5 to 10 sec
Figure C-3. Alternative 2.a TD - odoff-Site process flow diagram.
c-5 Pre-Conceptual Designs of Various Alternatives for the V-Tanks
Rev. 0; November 2002
C6. TD ON SITE DATA SPREADSHEETS
V-TANKS
L
Vent 100 to300c
Super 1 Heater
I I
@ v
Disposal @ ICDF t so11
+ 100 to 300 C
Thermal Desorption “Batch Operatlons” loo to 3(X) C
1 - GAC Filters 2 - SGAC Filters Monitor For VOCs & Hg Residence Time - 5 to 10 sec
7
Vacuum to Pump
S-GAC 6 ) Filters
Figure C-4. Alternative 2.b TD - on-site process flow diagram
C-6 Pre-Conceptual Designs of Various Alternatives for the V-Tanks
Rev. 0; November 2002
C7. TD OFF SITE DATA SPREADSHEETS
To I5OC
_________________---------------
- I - I I ,
1 - GAC Filters 2 ~ SGAC Filters
(NTS, Hanford)
I Monitor For VOCs & Hg I Residence Time - 5 lo 10 sec Soil @ ICDF
Figure. C-5. Alternative 2.c - TD - off-Site process flow diagram.
_I-.
Pre-Conceptual Designs of Various Alternatives for the V-Tanks Rev. 0; November 2002
c-7
C8. CO/S IN SITU DATA SPREADSHEETS
contents
D C A 0
I 1 22 Heat to 80°C
23 * pH Adjust to 12 14 1 3 1 pH Adjust to 12
F
I + I
Reheater Ga 1 8 a Adjust/Cooling 27c7 Adj ust/Cool i ng
t 28 Grout Tanks
Contents Grout Tanks
Contents
t t t t I 1 I
ICDF 2r I I
Figure C-6. Alternative 3.a IS-COB process flow diagram.
c-8 Pre-Conceptual Designs of Various Alternatives for the V-Tanks
Rev. 0; November 2002
C9. CO/S EX SITU DATA SPREADSHEETS
A B D H
Excavate Tank iw 2 tcavate Soil -I
Heat to 80°C
I I
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;y Mixer/Extruder
I Fpq Containerization
Gallon out Drums
G
1 1 1 Excavate Tank
+
Demister
L Reheater
4
2 ICDF
Figure C-7. Alternative 3.b ES-COB process flow diagram
__I_
Pre-Conceptual Designs of Various Alternatives for the V-Tanks Rev. 0; November 2002
c-9
c-10 Pre-Conceptual Designs of Various Alternatives for the V-Tanks
Rev. 0; November 2002
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