ML20101G084
| ML20101G084 | |
| 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-P-001, F458-P-1, NUDOCS 8412270421 | |
| Download: ML20101G084 (9) | |
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FOR INFORMATION ONLY PROJECT COVER SHEET r
t sl Doc uent Title 1
PROCESS CONTROL PROGRAM FOR THE INCONTAINER SOLIDIFICATION OF 20-25 UEIGHT PERCENT SODIUM SULFATE SLURRIES u,
Project Document Naber 1
F458-F-001. Rev. 0 for LILCO Shoreham Nuclear Power Station u
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Hittman Nuclear & Development Corporation 9151 Rumsey Road Columbia, Maryland 21045 l1 1
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N/A Rev.
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PROCESS CONTROL PROGRAM POR THE INCONTAIMER SOLIDIFICATI0d CF 20-25 lEIGHT PERCENT I.
SODIIM SUIJATE SL15tRIES
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1.0 PURPOSE 4:
va-r To define the analysis to be performed on samples taken from the r,'Q IIT1 MAN liners containing 20 to 25 weiSht percent sodium sulfate slurries and the parameters of the test solidification.
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2
2.0 REFERENCES
ENDC Document, "Operatins Procedure for Mobile Incontainer Solidi-ficatica of Codium Sulfate Slurries". F454-P-002.
5.0 DISCUSSION The types of weste covered by this document are 20 to 25 weight percest sodium sulfate. In order to ensure that the contenta cf the tasks to be processed fall within the acceptable range with respect to the parameters, samples of the tank contents must be i
analysed prior to solidification. Analysis includes pH, deter-
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Sente, a visual determinaties of oil centent and an isotopic analysis.
j 4.0 APPARATUS 4.1 pH meter 4.2 Disposabla beakers 4.3 Eydreenters i
4.4 Top leadias balance 4.5 Electric lab miser (sytiemal) l l
5.0 CEENICALS 1
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5.1 50% NaCE soluties
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5.2 Amhydreas sodium metasilicate
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5.3 portland Type I cement
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6.0 PREREQUISITES
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6.1 Ensure that a Weste Solidification Data Sheet, Attachment A, I
has been initiated for the solidification of sodium sulfate f
slurries.
r f-6.2 Chemistry has been advised that samples are to be taken for analysis for pH, oil, % sodium sulfate, temperature and for isotopic analycis.
7.0 PROCEDURE 4
NOTE:
Data taken as instructed in this section shall be recorded on the attached Waste Solidification Data 1,
Sheet, Attachment A.
J 7.1 Chemical Analysis and Pretreatment
.1 8
7.1.3 OBTAIN an appropriate amount of sample.
L 7.1.2 EXAMINE the sample for evidence of detergents. If I
large quantities of detergents are present, the 4
sample should be treated with an anti-foaming f
agent. The quantity of anti-foamins agent shall be recorded on Attachment A.
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7.1.3 AI.IM the sample to cool to 90-100*F if necessary.
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Do not allow the sample to cool below 90' as crys-j tallization may occur.
3 7.1.4 EXAMINE the surface of the sample for any signs of oil. If a measurable quantity of oil existo, determine the volume and record it as a percent of the total sample volume, otherwise note "None" or j
"Less than one percent" (1%) by volume. If the quantity of oil is greater than 1% by volume, the oil shall be reduced to less than 1% by skimming i
prior to recording.
j 7.1.5 MEASURE the pH of the liquid and record.
NOTE:
If necessary, adjust the pH to greater f
than 7 usisg 50 weight percent sodium i
hydroxide solution. The quantity of I
sodium hydroxide added shall be recorded j
on Attachment "A".
fj, 7.1.6.
DETERMINE the density of the liquid phase with a j
hydrometer. Record the density and return the liquid to the sample.
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7.1.7 Using Attachment "B", CONVERT the density deter-mined in 7.1.5 to weight percent sodium sulfate t
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and record. If the specific gravity is less than y
1.01, record <2.5 for weight percent sodium sulfate.
3
{j 7.1.8 PERFORM an isotopic analysis of an appropriate aliquot of the sample.
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7.2 Test Solidification
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7.2.1 MEASURE 200 ml of waste slurry into a 1000 ml E
disposable beaker or similar sized container.
h uh 7.2.2 MEASURE out the required quantities of cement and anhydrous sodium metasilicate as shown below.
t, T
Grams Anhydrous
[F Grass Cement Sodium Metasilicate 138.S 13.9
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- h 7.2.3 MIX the cement and additive together and slowly g
add this mixture to the test sample while it is 1,l beini stirred. Stirring can be accomplished by i
electric _ mixer or by hand.
f*t ii 7.2.4 After sufficient mixing (2 minutes after all the 1
cement and additive have been added) so that a-
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~ ~homogenous mixture has.been obtained, allow the y
f sample 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 />.
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7.3 Solidifiestion 4eceptability
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The following criteria define an acceptable solidification process and pt cets pctan ters.
7.3.1 TLe s m 2e ecliosficatiers are conside x
h able if there is no visual or drainabl-
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jj 7.3.2 The sac 31e solidifications are conside.
9 able if upon visual inspectian, the was
,d that it would hold its shape if remove-
[s beaker an' it resists netr 4 tion.
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7.4 fiolidification Unacceptability If a test sample fails to provide acceptable solidifica...
F perform the following steps:
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7.4.1 Mix equal volumes of dry cement and water to x
y ensure that the problem is not a bad batch of cement.
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7."4.2 Add additional caustic solution to raise the pH j(
insbove 8.
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b 7.4.3 If the waste is only partially solidified, use ji lower waste to cement and additive ratios. Using g
the recommended quantities of cement and anhydrous h; -
sodium metasilicate, reduce the amount of Sodium
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Sulfate Waste to 175 al per sample.
- 2 22 7.4.4 Perform another test solidification using the II lower waste to cement ratios. Continue lowering the waste to cement ratios until the acceptability c
criteria of 7.3 are met.
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'l ATTAC10ENT A WASTE SOLIDIFICATION DATA SHEET
- l FOR 20-25 WEIGHT PERCENT SODDH SULFATE
.j Liner Sampled: ~
Batch No:
6 Sample No:
[.
Sampled By:
Sample Volume, al:
-.I (1)
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Sample pH:
Volume 50% NaOH used to adjust pH
__ _ m1I (2)
Quantity of 011 %
(3)
Quantity of Inti-Forming Agent, al (4) i!
!j Temperature at Solidification:
(5)
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Other Major Constituents:
(6)
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gm (7)
Density of Liquid Phase (8) 7 Weight Percent Sodium Sulfate (9)
Quantity of Cement Added Cement Ratio (1bs/ft.s y,,g,)2
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gas (10) 3 l
Quentity of Additive Added Additive Ratio (1bs/ft.8 Waste) g gas (11) q Volumetric Ratio: Waste to Product:
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(12)
Product Acceptable:
Sample A Yes No Radionuclides Present:
(Isotopes & Concentrations)
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Test Solidification Done By Additional batches solidified based on this test solidification:
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Batch Batch,
Batch Batch Batch Batch No.
Vol.
Date No.
Vol.
Date No.
Vol.
Date
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- i I To determine the quantity of 50% Na05 or antifoam agent to add to the liner, use the following equation:
e al 50% NaOH (or antifoam) used for 200 m1 sample a it.s of waste in liner 26.72
= gallons of 50% Na0H to add to liner (or antifoam) 2 Ratios in this procedure yield a cement ratio of 43.3 lbs/ft.s 3 The additive used in this procedure is anhydrous sodium metasilicate.
. Ratios in this procedure yield an additive ratio of 4.3 lbs/ft.s
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