appendix c detailed mass balance sheets · appendix c detailed mass balance sheets --...

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.


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__


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


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

Botloms

I n

y n t f , Blower 54 Filters 'A

I W I HEPA I Filters

HEME Heater

To 150 C I Temp

Surge Tank Surge Tank Low Temp High Temp

Off-S i te Treatment &lor

Grout I Water I Disposal I

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


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


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-.


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.



C9. CO/S EX SITU DATA SPREADSHEETS

A B D H

Excavate Tank iw 2 tcavate Soil -I

Heat to 80°C

I I

4 10

AdiusffCoolina I ’ I ,

;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_


c-9

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12c 4 8C - Grouted Waste Form

v & Packagme: 12B - -

Disposal - 12E - 12D ICDF '

In situ VIT

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Tanks

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SGAC Filters: 1 - GAC Filters 2 - SGAC Filters Monitor For VOCs & Hg

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appendix c detailed mass balance sheets · appendix c detailed mass balance sheets --...

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