ML19309E974
| ML19309E974 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 01/31/1980 |
| From: | ANEFCO, INC. |
| To: | |
| Shared Package | |
| ML19309E971 | List: |
| References | |
| PROC-800131-01, NUDOCS 8004280235 | |
| Download: ML19309E974 (26) | |
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O e h ENCLOSURE 2
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ANEFCO INC. ECOPAC SYSTEM PROCEDURE FOR ON-SITE SOLIDIFICATION OF LOW-:;EVEL RADIOACTIVE WASTE AT SEQUOYAH NUCLEAR PLANT CONTRACT 80P68-1619S7 ANEFCO CODE B-123 This Procedure describes general operation of the ECOPAC system and the necessary interfacing with Sequoyah Nucipar plapt systems.
" COURTESY COPY" '
1/31/80 Rev. 0
/ 9004280 7 2-%5
3.4 wipe tests (i.e. smearable loose contamination) will be performed prior to work and at the finish of the job to establish that this area is within the linits as prescribed by the applicable regulation.
3.5 waste transfer piping and hose will be blown free when transfer is completed to prevent subsequent plug'ging, contamination buildup within the lines, and to reduce area background radiation levels.
3.6 All ECOPAC co.inecting hoses will be disconnected and stored when operations are completed. 1 OPERATIONAL PROCEDURE (Utilize 4.0 thru 4.8 for both Resin and Boric Acid solidification) 4.0 Position cask with empty disposable liner inside auxiliary building access bay alongside the ANEFCO ECOPAC solidification system.
4.1 Attach ECOPAC loading arm to the liner 2" male dry-break connector. Verify that the ultra-sonig level detector fits properly into liner port and seal OPW quick disconnpct.
4.2 Connect the loading arm acid line to the liner 1/q!l male dry-break connector; 4.3 Connect the dowatering system hose to the pCOPAC gyptem air compressor outlet.
4.4 Connect two air hoses from plant seryicp Dir to the ECOPAC system.
Connect both electrical supplies to ECOPAC system. (110 VAC, 4.5 60 hz; 220 VAC 3 phase, 60 hz).
l 4.6 Couple U-F tank to the 1 1/2" Sandpiper pump using 4' double OPW female quick-disconnect hose. .
% e 4.7 Couple U-P Sandpiper pump to ECOPAC system using 25' double OPW female quick-disconnect hose.
4.8 Attach air supply from ECOPAC system outlet to the U-F ,
Sandpiper pump.
RESIN. SOLIDIFICATION 5.0 Slide hose containment over resin-transfer hose prior to attaching hose to SNP discharge fitting FCV-77-226.
5.0.1 Tape hose containnent to hose, add (3) three absorbant pads .
into the containment, then tape and seal the containment to SMP pipe (re Fcc to drawing SNP-1).
5.1 Connect the SMP resin outlet hose to the catch tank top inlet quick-disconnect and contain per drawing SNP-1.
5.2 Conr ect the resin catch tank discharge pump outlet (Moyno) to the ECOPAC system utilizing the 25' female quick disconnect flanged hose and contain per drawing SNP-1.
5.3 Connect the resin catch tank well point to the dewatering pump and contain per drauing SNP-1.
5.4 Attach dewatering pump discharge hose to SNP valve FCV-77-227.
5.5 AMEFCO will indicate when 1 complete batch of resin can be pumped by SNP to the catch tank.
5.6 SNP should flush / clear resin' hose prior to step 5,7 to lower the dose rate as low as reasonably achievable.
5.7 Supply 110 vac to the dewatering pump and dewater resin through SNP valve FGT-77-227 Mater recovered by dewatering system from catch tank will be pumped to SNP receiving line.
5.8 Supply 220 vac, 3 phase 60 hz. to resin forwarding Moyno pump from ECOPAC system.
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lo 5.9 Connect air sparge hose from ECOPAC system to resin catch tank and sparge for a minimum of 30 minutes prior to transfer for solidification.
5.10 ANEFCO personnel to solidify the dewatered resin according to the ANEFCO ECOPAC process control plan. When resin solidification is completed, disconnect the SNP ' resin outlet hose to the catch tank top inlet and contain per drawing SUP-1. Store hose in assigned location.
5.11 Disconnect the catch tank discharge pump (Moyno) outlet hose to the ECOPAC system and contain per drawing SNP-1. Store hose in proper location.
5.12 Disconnect loading arm waste dry-break connector, acid dry-break connector, and ultra-sonic level detector. Contain opening with safety drip bags.
5.13 Health Physics Technician will monitor radiation levels and condition of solidified waste in the liners, 5.14 Seal full liners. Paint one liner cap'with temporary sealed cap for indentification at burial site for subsequent inspection. Seal other liner caps with lock-cement (permanent) .
5.15 Seal cask cover.
BORIC ACID / EVAPORATOR BOTTOMS (Liquid Wastes) 6.0 Slide hose containment over boric acid-transfer hose prior to attaching hose to SNP discharge line number 6.1 Tape hose containment to hose, add (3) three absorbant pads into the containment then tape and seal the containment to l
SNP pipe (refer. to drawing SNP-1) . ;
i Connect the boric acid transfer hose to the ECOPAC syster l 6.2 )
l waste inlet and contain per drawing SNP-1. )
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- 6.3 ANEFCO will notify SNP when ECOPAC system is ready to receive
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liquid wastes.
6.4 SNP to open valve FCV-77-226 for transfer of waste to ECOPAC sy s t.c m.
6.5 ANEFCO personnel will solidify the liquid wastes according to the ANEFCO ECOPAC Process Control Program.
6.6 ANEFCO will verbally notify SilP upon receipt of one complete batch of boric acid so that SNP can terminate pumping waste ,
by closing valve rcV-77-226.
6.7 After notifying St1P operator, ANEFCO will flush ECOPAC system using SIIP domin water through SNP valve FCV-77-227.
G.8 Disconnect the boric acid transfer hose from both the ECOPAC waste inlet and the SNP discharge line valve FCV-77-226 using the containment method illustrated in drawing St1P-1 Store hoses in proper location.
6.9 Disconnect loading arm waste dry-break connector, acid' dry-break connector, and ultra-sonic level detector. Contain openings with safety drip bags.
6.10 llealth Physics technician will monitor radiation levels.
6.11 Seal full liners.
Paint one liner cap with temporary seal for identification at the burial site for subsequent inspection.
Seal other liner caps with lock-ccment (permanent) .
6.12 Seal cask cover.
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Dato Prepared by:
C h eta i c a 1 Acceptanec J' ,1. 0 A-Set Test and acceptance criteria check and sign when acceptabic.-
- 1. !!yd rom e t e r tout results: Spccific Gravity.
The acceptance criteria is betwoon the range 700 and 1400 Cps.
If unacceptabic, refer to PCP Section 4.3.3.
1.2 A-Set Ph test results: Ph.
The acceptance criteria is between 'the range 7.4'and 7.7. ' M-
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If unacceptable, refer to PCP S e c t i'o n 4.3.3.
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1.3 The Acidacceptance (Catalyut) Ph test criteria is results:
between _the range and .
If unacceptable, refer to PCP Section 4.3.3.
1.4 Acid Visual Color test results: .
signature date 2.0 Verify the solidification of at least one representative test
.uample from at least every tenth batch of each type of wet radioactive waste. Check one below.and show date and batch 5/
HMRS # of each of up to 10 batches. ,
2.1 Pilter sludg Date Batch #/RMRS# Batch 8/Rt1RSD 2.2 Spent Rcsin Date Batch #/RMRSH Batch 8/RHRS# _
2.3 1:vap rator '
Bo t to:a s Date Batch 4/RMRS#_ Batch #/RMRSN 2.4 Boric Acid
- Solutionu Date Batch #/RMRSN B a t c h # / Ril,RS 8 2.5 Sodiun Sulfate Solutions D a t e,,,_,, ' Batch #/RitRS$ _ Batchu/Rt1RSE
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2.6 l'il ter Media Datc__ Batch 9/RMRS# BatchW/RMRSS ._
signature date Sample Collection 3.O ,
l hefer to PCP Section 3.2 " Collecting Samples" ,
i 3.1 Obtain Sample ( 1 liter) from valve V-6.
3.2 Obtain sam'ples~f' rom va'1ve V-7'duri'ng multi-transfers. ,
7,;i- 7 . 3. 3 preparc a composite sample from effuents obtained .in..3.2 . ~ ' -- -
Rcfer to PCP.Section 3.2.4.." Sample , Multiple Transfers __,
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4.0 usino proper radiological control transfer sample to TVA for lab
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..-,, . below, 4.1 he c c> r d lab results reauired '
- if s 2 refer to PCP Section 4.1.2 and fill out 4.1.1. I'h of U .i n4.1.1.te Section sami>1e volume or %
4.1.2 __
Type / volume of caustic added refer to PCP Section 4.1.4.
i f ? l t, 4.1.3 Wauto oil content _,,
4.1.4 w a n t e / U r r a t io ___...__ ,
4.1.5 Uv/ Acid Ratio _ .
signature date 5.0 Teut Solidification Prerequisite: All previous section 1-4 must b.c completed and proper signature atfixed to this forn.
5.1 v.lume of waste (3 400ml) 5.2 volume of U.F.
5.3 volume of Acid 5.4 Total Volume signature date 6.0 Free Standing Water 6.1 Free standing water of sample refer to PCP Section 4.2.7 and 4.2.8 6.2 Volume of decanted water Volume of sample (taken from SQNP-PCP Section 95).
g3 s f free standing water.
! 6.4 signature date 7.0 Solidification AcceptabillLy Refer to PCP Section 4.3 7.1 6.4 above must be less than 1%. If 6.4 is greater than it, refet- to PCP Section 4.3.3.
7.2 Visual physical appearance: Verify that the soli ? '. f l e'd wa s t e will maintain its shape when rcraoved .f rom the . container.
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- ENCLOSURE 3 EXPERIMENTAL SIMULATIONS OF RADIOACTIVE WASTF. AND A-SET RESIN
- FORMULAT.T.ONS '
Mx pe r i .non t al formulations for the solidification of selected simulated wastes withbased A-Set onRosin has been laboratory determined.
trials, attapt t;o Thene .for mulations, incorporate a relatively maximum quantity of waste while Solidified products consist ently producing a solidified product. tested although some difficulties were obtained for all waste types to solidification agent ratios for were encountered at high wasteThe addition of sufficient acid catalyst sulfate wastes to UF. _ .
to waste-UF mixtures to achieve a pli of 1.5t 0.5 was found to produce a more rapid and consiste nt polymerization and also permits a higher waste to UP ratiofree forfrom most wastes. Care should bee >
foreign matter and cured Mixing equipment must be kept adhesive build-up.
The free standing water in simulated wastes solidifiedAdjustment with UF was of measured and found to vary from zero 0.5to 25.4 by thewt.%.
addition 'of su f ficient the waste to UP mixture pH to 1.5 reduction in the quantity acid catalyst resulted in a significantfree The standing water was found to of have free standing a pil water. that of the water to UF mixture after approximating iddition of the catalyst.
The polymerization reaction is acid catalyzed and is both ternp.et;atureLow waste to and pH dependent. A pH temperature decrease the time required for solidification. the of 1.St 0.5 in the waste-UF mixture is desirable; however, annount of catalyst needed must be determined for each t'/paa mate.
Euch mixtures will begin to gel in several minutes and are generally ' Dilute solutions of strong well soTidified within thirtythe minutes.
pH of. highly buffered waste-UF acids maybe used to adjustThe use of strong acid solutions must be done with care mixturcs, to avoid premature gelling of the mixture.
Concentrat ed soduim sulfate wastes- may cause erratic setting in UF.
Additions of less than ten weight percent sodium sulfate or small 1 emounts of calcium chloride are reported to eliminate this problem. sodium The addition of 2 wt.% calcium chloride to UF containing I
lli cacock, H.W. and Riches, J.W., Waste Solidification-Cement or Ureaformalden_yde, American. Society of Hechanical Engineers, l 74-WA/NE-9, 1974.
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sulfate wastes was fourid to increase the permissible waste /A-set Resin ratio. The addition of sufficient cataly'qt to produce a pH of -
- 1. 5.t 0.5 in the waste-UF mixture allows an' increase in the -
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waste /UF ratio for most wastes.
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Experimental Program
,Siinulated Waste Types Included in the .1 ':
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- 1. Bead Resin Waste
- 2. BWR Precoat Filter Cake
- a. Powdered Resin Diatomaccous Earth b.
- 3. Forced Recirculation Evaporator Concentrates
- a. BWR Chemical Regenerative Waste
- b. PWR Chemical Regenerative Waste
- Boric Acid Waste c.
- d. Decontamination Waste
- 4. Thin Film Evaporator Concentrates
- a. BWR Chemical Regenerative Waste
- b. PWR Chemical Regenerative Waste
- c. Bor.ic Xcid Waste
- d. Decontamination Waste 4
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TABLE 2 Simulat ed Waste Formulations 1.' BEAD hESIN WASTE Material Weip t Percent, %_
50.
water 50.
Bead Resin (IRN-150)a Temptrature 700T 7
pH 7a. BWR PRECOAT FILTER CAKE (WITH POWDERED RESIN)
Weight Percent.
Material in Filter Cakis, T
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Anion Powdered Ecsin (PAO)b , pg, {, j Cation Fowdered Eesin (PCH)b
' 5, 1"4 CnadC Sodium Chloride d ' $. n Teznperature 70 4 0py; 7 ? V; pH 4; 2b. BWR FRI: COAT FILTER CAXE (WITH DIA7W.AfEOUS EARTH) .- ,
Weight Percent in Filter Cake, s Material 50 Water Diaton.aceous Earth 40.
CrudC 10.
700 F Tesnperature
- 7 pH 3a. BWR CHF.MICAL hEGENERATIVE WASTE OF A TORCED RECIRCULATION EVAPOM70R Weight Percent in Evaoorator Bottons, t Material 75.
Water 22.9 Sodium Sulfate 2.0 '
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Ten.perature 170T '
pH $
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Phk Citt>41CA1, REGLUERATJVC WASTE OF A FOHCED RECJECUJAT Weight Percent 1n Evaporator Bottoms d
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73.4 Wa ((* r 14.9 Sodium Sulfate 9.6 h..a.ontura Sul f ate 2.0 Sodium Chloride 0.1 Civde 170*F Trn. pen at ur e 2.5 to 4.0 pH CED Kt_:CIfC,UIAT3ON EVAPOM70R 3c. _l$ORIC_ A_CID J'AS'IT_OP_A FOR Weight Percent in INaporator Bottoms, 4 paterial, 87.9 Water 12.0 Foric AcM 0.1 Ciud C 2700T ,
Temperature
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DECONTAMII;ATION WASTE OF A TORCED RECIRCUIATJON_WAPOM'I Keight Percent
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Water 4 g,9 NUTEK-700 a < 5.. b..
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Citric C Acid , 4 0.3 , 3 31;- ~ ,
Crud
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Lubrica,ing t Oil No. 20
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Tenperature ,
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pH 0R
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EWR CHEMICA1, REGE! ERAThvE WASTE OF A THIN TIIM EVAPORA1 Weight Percent t_
_in Evaporator Bottoes, 2:aterial .
50.
Water 45.8 Sodium Sulfate 4.0 Sodium Chloride 0,2 0
Crude 150 to 250 r Tenperature' -
6 pH s .
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4b. PhH CHFJ11 CAL RECENEJtAT3VE WASTE OF A 1H1H FILM EVAPORA1CR
' Weight Percep$
. In Evaporator Bottosns, 4
~~ Material ~
, .. ] -(f Water 50 ?*1
- 29. 'O
- Sodium Sulfate 5 d
Jtzenoniusa Sulfate 16.8 sodima Chloride 40 o,g Cmdc 150 to 2500F .
Tem 1waature pH 1.c 'o 4.0 4c. HORIC ACID WASTE OF A 11tIH FILM EVAPORA1VR Weight Percent Material in Evgorator Bottoms, .
Water 50.
49.8 Boric Acid C 0.2 Cmd Terape rat ure 150 to 2500F pH . 2.5 to 3.5 4d. DECONTAMIRATION WASTE OF A TH1H FI!>t EVAPORA10R Weight Percent
_Ma t_e r i al
_in Evaporator Lottorns,J Water 50.
hTTEK-700 d 20.
EDTA 9.8 Citric Acid 19.
Cnade 0.2 Hydraulic Oil No. 2 0.5 Lubricating Oil No. 20 0.5 0
T wperature . 150 to 250 f pH
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TABLE 4 e Forraulations for the Soldification of BWR and PWR Wastes Using A-Set Resin. 25 Vt.Z Sodium. Bisulfate (Anhydrous) i Ajueous c _Cata11st Solution Added_to 2.0 Volucie 1 of the Waste-UF <
Mixture
,, i 1
Veight F.atio Approximate -
Coments :
- W st e Type, Vaste to A Set Solidification Time !
e 2.2 15 minutes V,3 ,
- 1. Ersd Resin .W: ..'
s i.
- 2. BWR Precoat 3.' i Filter Cake a 2.0 35 minutes ,;..
- a. Tovdered Resin - a 2.0 30 minutes .: .:
- b. Diatocaceous Earth U '
- 3. Forced Reefeculation Evaporator Concentrates 1.2 '25 minutes
- a. BWR Jimulcal Ec;,enerat ive Vaste 1.2 20 minutes
- b. PVR Chemical Regenerative Vaste .
1.0 15 minutes
- c. Eoric Acid Vaste 1.1 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />
- d. Decontamination Waste
- 4. Thin Film Evaporator ,
Concentrates 1.0 30 erinutes
- a. INR Chemical 30 minutes 2 ut.% CaC12 added Regencr ative t.'aste 1.2 <
0.7 30 minutes
- b. FWR Che.cical 2 ut.% CaC12 added 1.5 30 minutes Regenerative Vaste .
1.0 1 30 minutes
- c. Eoric Acid Waste ;
1.5 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />
- d. Decontamination vaste .
- i.'
+. t
- 4 8'
, C,ff- j
< .{
- J..L -
y .w ~
' kbf.
- y m ff ., - ' '
.i f ?' .. N ' '. 2/ l- * -
I. 4 ::3- '. ^w(
4t
. v:,
- n,. y .y , .; .
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- _ ; ,q' 8
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. HN
- Futuulat ions for the Solidific6 tion of EWR m.d PWR V.estes Using A-!fet Resin. Sufficient 25 Vt.Z So'dlum Bisulfate (Anhydrous)
Aqurous Catalyst Solution Added to Achievey H = 1.$to.5 in the Vaste-UF Hixture Weight Ratio Aipioxir.
l ate Volume I L'p s t e_ Type V.e st e t o UF Solidification Time 1:aHSO4 Solution Added
- 1. Ecad Resin 2.2 15 minutes 1.8
- 2. Ek'R Precoat Filter Cake
- a. Powdered Res,in 2.0 15 minutes ,
. 1.9
- b. Diat ocaccous Ewrth 2.0 15 minutes 30
- 3. Forte-d Eccirculation
- Evaporat.or Concentrates
. 3.}
~
- a. hWR Chemical 1.3 15 minutes ' l R.' generative Waste i
[D
- b. Pb'R Chunical 1.3 15 minuteg */- 2.{
Prgenerative Waste , , .
, a3
- c. Boite Acid Vaste 1.2 30singey P p.$
- d. Decontamination Vaste 1.2 30 minups's.
- N105
%'.:A,.3 . -
- 4. ' Lin Film Fvaporator 6 Ca.m e nt rates
- a. EkN Chemical 1.5 20 minutes 2.5 Regenerative Vaste
- b. rk'x Che nical 1.0 20 minutes 1.7 Rens.ncrative Waste
- c. Boric AcJd Vaste ,
1.2 20 minutes ' 1.4 {
.d. D. cont aminat ion Va st e 1.5 30 minutes 13.3 b
e I
1 5
e I i ii s
. b .
Technich,1 Service R port t
Data and Discussion: Tabics 1 through 3 as described below show the raw data obtained in these catalyst ' studies of A-Set Resi{ 2 as well au their conversion to a curvilinear fit in graphing. ,
Table 1: pil Measurements by mis, of Catalyst for 200 ml. Slurrics of IJater/CASCO-RESIN 2
Table 2: 700 and 90 F. Cel Times by pit of Water / A-Set .W. sin 2 Slurries '
Catalyzed with 25% Sodium Bisulfate ,
Tabic 3: 70 and 900F. Cel Times by pH of' Water /A-Set Resin 2 Slurries ,
Catalyzed with 3N Sulfuric Acid Figures 1 through 3 attached are graphical portrayals of Tables 1 through 3 and need no further description. >
(
e e
e
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e 9
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m . . . =,..w e -
Technical Service Report
- Table 1: pil !!casurenents by mis, of Catalyst for ,
200 ml. Slurries of Water /A-Set Besin 2 e ,
Y
,X Hl. of 25% wt. 0 Estimated pH Sodiu:n Bisidfate -p!! of Sierry 0 70 F. , .
..y,.
2,4 s
2 2.4 ,
1.7 -
~
17 9 -
4 1,5
- 6 1.5 1.4 8
1.3 l'.4 13 l 10 Shown in Figure 1.
Equation for curvilinear fit of raw data. *
- Y - 1.02522 + (.0415589X) Index of Determination a .99724 Y
X Estimated pH 111. of 3N 11,S04 pH of Slurry 0 70 F.
' 2.7 2.7 1
1.9 1*9 2 1.6 1.6 3
1.4 1.5 4
- 1. 4' 1.3 -
6 1.2 10 l . 2-
' Shown in Figure 1.
Equation' for curvilinear fit of raw data.
Y - 1.05443 + (1.64827/X) Index of Determination = .99304 S
3 .
e ,
e 6
l j.
- s . .;;.,<,.
- -,t Y.
. M, '.
d ,
e . O
. 8 e
.. Technical Service Report Tabic 2. 700 and 90 F. Cel Times by pl! of 'yater/A-Set Rosin 2 .'
~
Slurries Catalyzed with 25% Sodium' Bisulfate X Y Slurry hit 0 70 F. Estimated Usitig 25% wt. Gel Time 0 70 F. ,
(mins.) Cel Time G 700F.
Sodium Eisulfate Solutio _n __
19 19.4 2.4 93 1.7 11 5 5.7 1.5 5.0 1.4 4 1.3 4 a.5 -
Shown in Figure J. ,.
Equation. for curvilinear fit of rav data. .
Y = -15.2101 + (14.4304X)' Index of Determinat%9n r,, " .97226 X Y ';-
Slurry pli G 70 F. .
Estimated Using 25% wt. Gel Time 0 900F.
s (mins.) Cel Time 9_900F.
j Sodium Bisulfate Solution .
16 15.3 2.4 6.8 1.7 5 '
,3 3.8 -
1.5 3.2 1.4 ,4 . ,
3 1.9 1.3 Shown in Figure 2.
Equation for curvilinear fit of raw data.
Y = -13.8506 + (12.1519X) Index of Determination = .94999 6
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