ML20101G091
| ML20101G091 | |
| Person / Time | |
|---|---|
| Site: | Shoreham File:Long Island Lighting Company icon.png |
| Issue date: | 07/29/1983 |
| From: | HITTMAN NUCLEAR & DEVELOPMENT CORP. (SUBS. OF HITTMAN |
| To: | |
| Shared Package | |
| ML20101G077 | List: |
| References | |
| F458-003, F458-3, NUDOCS 8412270423 | |
| Download: ML20101G091 (8) | |
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Document Title
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j PROCESS CONTROL PROGRAM FOR INCONTAINER SOLIDIFICt. TION OF BEAD RESIN - POVDERED RESIN MIX (Maximum 28 Wet Weight Percent Powdered Resin)
Project Document Number
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F458-P-003, Rev. O M
for LILCO N
Shoreham Nuclear Power Station
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a Hittman Nuclear & Development Corporation 9151 Rumse~ Road Columbia, MaryIand 21045 y
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Ref: Std. Doc.
N/A Rev.
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i 8412270423 841221 PDRADOCKOSOOOg
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12 PROCESS CONTROL PROGRAM FOR INCONTAINER SOLIDIFICATION j: -
0F BEAD RESIN - POWDERED RESIN MIX 1
(MAXIMUM 28 WET WEIGHT PERCENT POWDERED RESIN)
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1.0 PURPOSE
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.j To define the analysis to be performed on saeples taken from
.r MITTMAN liners while processing bead resin mixed with powdered 2
resic for solidification, and the parameters of the test solidi-
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ficu lon.
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2.0 REFERENCES
hk F458-P-010. " Operating Procedure for Mobile Incontainer y
Solidification of Bend Resin and Powdered Resin Mixtures."
yvM 3.0 DISCUSSION lI
.,j i The type of waste covered by this document is bead ion exchange p
resin mixed with powdered resin up to a 28 wot weight percent of f
powdered resin. In order to ensure that the contents of the jJ liners to be processed fall within the acceptable range with f
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respect to the parameters, samples of the liner contents must be gp analyzed prior to solidification. Analysis includes pH, deter-
- 1; gents, a visual determination of oil content an$ an isotopic
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analysis.
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- I 4.0 APPARATUS li T
4.1 pH meter h
i 4.2 Disposable beakers y
l' 4.3 Top loading balance pn 4.4 Electric lab mixer (optional) 41 5.0 CHEMICALSi
- !!y 5.1 50% NaOH solution y
f 5.2 Anhydrous Sodium Metasilicate n
j 5.3 Pprtland Type I cement
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6.0' PREREQUISITES l
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'6.1 Ensure that the contents of the MITTHAN liner have been ly dewatered prior to sampling.
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6.2 Ensure that a Waste Solidification Data Sheet, Attachment A,-
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itN' has been initiated for t' e solidification of liner contents consisting of spent bead resin mixed with powdered resin.
6.3 Samples are available for analysis for pH, detergents, oil and for an isotopic analysis.
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NOTE:
Data taken as instructed in this section shall be i
recorded on the attached Waste Solidification Data-
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Sheet, Attachment A.
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, 3-7.1 Chemical Analysis and Pretreatment
.,L' 7.1.1 EXAMINE the sample for evidence of detergents. If large quantities of detergents are present, the J'
sample should be treated vnh an anti-foaming agent. The quantity of anti-foaming agent required I-(
1 shall be recorded on Attachment A.
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7.1.2 EXAMINE the surface of the sample for any signs of
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y If a measurable quantity of oil exists,
- 9 determine the volume and record it as a percent of the total sample volume, otherwise note "none" or y
"less than one percent" (1%) by volume. If the p
quantity of' oil is greater than 11 by volume, the c.J oil shall be reduced to less than 1% by skimming
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prior to recording.
7.1.3 MEASURE the pH of the sample and record.
.1' NOTE:
If necessary, adjust the pH to greater than 4 using 50 weight percent sodium J
hydroxide solution. The quantity of sodium hydroxide added shall be recorded on Attachment A.
7.1.4 PERFORM an isotopic analysis of an appropriate
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aliquot of the sample.
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7.2 Test solidification 7-'
7.2.1 MEASURE 158.0 gas (* 180 ml) of dewatered waste M.(
from the liner into a 1000 ml disposable beaker or y
similar sized container.
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ADD 55.3 gas of water.
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7.2.3 MEASURE out the required quantities of c9nt and anhydrous sodium metasilicate as shown below.
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Grams Anhydrous Sodium
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Grams Cement Metasilicate dq 179.4 17.9 1
7.2.4
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MIX the cement and additive together and slowly -
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, 'l add this mixture to the test sample while it is being stirred. Stirring can be accomplished by an
-electric mixer or by hand.
'j 7.2.5 After sufficient mixing (2 minutes after all cement and anhydrous sodium metasilicate have been
.i added) so that a homogeneous mixture is obtained, allow the waste to CURE for a minimum of 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
g 7.3 Solidification Acceptability The following criteria define an acceptable solidification process and process parameters.-
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7.3.1 The sample solidifications are considered acceptable I
if there is no visual or drainable free water.
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'i 7.3.2 The sample solidifications are considered acceptable if upon visual inspection the waste appears that i
i it would hold its shape if removed from the beaker and it resists penetration.
q 7.4 Solidification Unacceptability 1
7.4.1 i
If a test sample fails to provide acceptable 1
solidification, perform the following steps:
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Mix egual volumes of dry cement and water to a
ensure that the problem is not a bad batch of cement.
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Add additional caustic solution to raise the pH above S.
i If the waste is only partially solidified, c.
use lower waste to cement and additive ratios.
Using the recommended quantities of cement i
and anhydrous sodium metasilicate, reduce the sample weight by 21.7 gas (* 25 al) and the water weight by 7.5 grams.
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Perform another test solidification using the I
revised waste to cement ratios. Continue lowering the waste to cement ratios until the acceptability criteria of 7.3 are meg.
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F458-P-003 Pase 5 of 6 I +.~-
ATTACHMENT A y=.
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WAS1T SOLIDIFICATION DATA SHEET iI:
FOR READ RESIN - POWDERED RESIN MIX l
Liner Sampled:
Batch No:
e Sample No:
Sampled By:
A i
g Sample Volume, al:
E (1) e; Sample pH:
Volume 50% NaOH used to adjust pH m1I (2) r.f Quantity of 011 %
K (3) f Quantity of Anti-Foaming Agent, al d
(4) f,i Temperature at solidification:
(5) a p
other Major Constituents:
(6) k L1 Quantity of Cement Added Cement. Ratio (1bs/ft.2 y,,ge)2
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Quantity of Additive Added Additive Ratio (1bs/ft.8 Weste) 1 gas (11) f Volumetric Ratio: Waste to Product:
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Product Acceptable:
Sample A Yes No 9
p Radionuclides Present:
(Isotopes & Concentrations) 4I
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Test Solidification Done By 2
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Additional batches solidified based on this test solidification:
F Batch Batch Batch Batch Batch Batch
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No.
Vol.
Date
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_Vol.
Date No.
Vol.
Date 4
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To determine the quantity of 50% NaOH or antifoam agent to add to the liner, 7
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. use the following equation:
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.I al 50% NaOH (or antifoaa) used for 200 al sample a ft.a of waste in liner
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, rr f*
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= gallons of 50% NaOH to add to liner (or antifoaa)
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Ratios in this procedure yield a cement ratio of 61.7 lbs/ft.a Il 3
p.f.
The additive used in this procedure is anhydrous sodium metssilicate.
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Ratios ir, this procedure yield an additive ratio of 6.2 lbs/tt.*
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