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Modelling of Macraes POX CircuitMay 2006
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AcknowledgementsOceanaGoldGRD Minproc
Brent HillTony FraterDavid KingQuenton JohnstonNevin ScagliottaAdrian Marin
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Presentation OutlineBackground
Macraes POX circuit
Integration of Reefton concentrates
Modelling
Metsim model calibration
Model prediction of increased throughput
Conclusion/Recommendation
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Johannesburg Office
Belo Horizonte Office
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Macraes Processing BackgroundHistorical ProcessingSmall scale operation from 1862 until 195015 000 oz gold and 100 t scheelite recovered
Modern Processing (Since 1990) Crush / Grind / Flotation / CILCrush / Grind / Flotation / Fine grind / CILCrush / Grind / Flotation / Fine grind / POX / CIL
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Modern Project HistoryMajor Projects1.5 Mt/a sulphide treatment plant 19903.0 Mt/a expansion 1994MREP 4.5 Mt/a - 1999Increase for sulphide and oxide capacity Newmont POX technology170 t/d BOC cryogenic oxygen plant
Smaller ProjectsUnit cell installationReclaim circuit0.5 Mt/a oxide millAutoclave optimisation
Current capacity approximately 6 Mt/a
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Macraes Processing Issues 1
Massive sulphide orebody hosting FeS2 / FeAsS
Muscovite / quartz/ chlorite / siderite in gangue
Presence of organic carbon, double refractory
Variability. Low and high preg-robbing ore types
50% to 80% CIL recovery without POX
Poor recovery with conventional POX
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Macraes Processing Issues 2
Newmont technology required for controlled POX
Limestone for free acid control
Washing for chlorides
Scale formation in autoclave
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Macraes POX Circuit Design
Concentrate grade 8 - 12 % S
3.5 m dia. x 12.6 m
2:1 semi-elliptical ends
4 agitator, 3 compartment vessel
225C and 3,140 kPag
Koch Pyroflex membrane and AP302
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AutoclaveScaled Agitator
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Reefton ProcessingOrebody
Native gold with minor sulphides in quartz veins
Gold in FeS2, FeAsS, Sb2S3
Processing
Crush / Grind / Flotation / Filtration / Transport
Concentrate at 17.1 % S
No organic carbon
Highly refractory, complete oxidation required
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Reefton / Macraes Integration
Additional S oxidation requirement
Oxygen plant constraint
Autoclave retention time constraint
Differing POX conditions
Requirement for modelling to optimise capacity
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History of Macraes POX Modelling
Spreadsheet POX model developed and verified
Single-compartment Metsim model developed
Three-compartment Metsim model developed
POX chemistry modified based on XRD results
Thermodynamic data sources consolidated
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Plant Trials and Model Calibration
Plant trial in March 04 generated 23 data sets
Solids and solution assays recorded
Operating conditions recorded:Autoclave PressureTemperatures in C1, C2 and C3Cooling water to C1 ,C2 and C3Oxygen flow rate and purity
Overall oxidation from feed and discharge assays
Compartment oxidation inferred from heat balance
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Sulphur Analysis Discrepancy
Trial data:for 98% oxidation, 20 t/h CW added
Model results:for 98% oxidation, 16 t/h CW added
Site assay 10% of the total S (TS) is sulphate S
No TS reported for the trial data
No free acid in discharge reported
Can not do overall S balance calculation
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MLA Mineralogy Investigation
MLA used for quantitative mineralogy investigation
MLA results 2% of TS is sulfate S
Site assay 15% sulfate S for the same sample
Revised S and gangue mineralogy according to MLA
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Plant Trials in 10/04 and 01/05
Updated trial data collection template
Additional data for heat/mass balance
Updated mineralogy data used
Good correlation between models and assays
No heat adjustment factor required
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Plant Trials in 10/04 and 01/05
Sheet1
FeS2
CaCO3FeAsS
Rex 10.750.750.750.60.60.60.90.90.9
Rex 20.920.230.980.60.240.840.90.090.99
Rex 30.50.010.990.60.0960.936000.99
0.990.9360.99
0.2370.2370.2370.17
Comp#10.177750.177750.177750.153
Comp#20.054510.2322600.0153
Comp#30.002370.2346300
Nonreacted0.00237-0.407640.059250.0017
0.2370.2370.2370.17
FeAsS
Rex 10.750.750.75
Rex 20.920.230.98
Rex 30.50.010.99
0.99
0.1679
Comp#10.125925
Comp#20.038617
Comp#30.001679
Nonreacted0.001679
0.1679
Sb2S3
Rex 10.750.750.75
Rex 20.920.230.98
Rex 30.50.010.99
0.99
0.0333
Comp#10.024975
Comp#20.007659
Comp#30.000333
Nonreacted0.000333
0.0333
Sheet2
STREAM NO.Str. 74Str. 96
Stream Number7496
Description15 m Thickener U/FPOX discharge
MT/HR SOLIDS11.415.6018744703
MT/HR AQUEOUS17.830769230861.6184866089
MT/HR TOTAL29.230769230877.2203610791
Sp.Gr.SOLIDS3.16741925312.8688936803
Sp.Gr.AQUEOUS0.99886397930.9152494507
Sp.Gr.TOTAL1.36272756151.0612652774
Temperature C19.9999999714224.9999999996
Sol/Liq m3/hr21.450193022172.7625436603
Gas Nm3/hr00
Gas am3/hr00
1 SiO2 MT/HR4.41867426.0738485036
2 FeS2A1 MT/HR2.0263500.75
3 FeS2A2 MT/HR0.6214140
4 FeS2A3 MT/HR0.0270180
5 FeS2NR MT/HR0.0270180.027018
9 K2O MT/HR0.36480
10 Al2O3 MT/HR0.94620.9373627532
12 MgO MT/HR0.09120
13 CaCO3 MT/HR0.538080
15 FeAsSA1 MT/HR1.43554500.75
16 FeAsSA2 MT/HR0.44023380
17 FeAsSA3 MT/HR0.01914060
18 FeAsSNR MT/HR0.01914060.0252619558
19 Sb2S3A1 MT/HR0.28471500.6880733945
20 Sb2S3A2 MT/HR0.08731260
21 Sb2S3A3 MT/HR0.00379620
22 Sb2S3NR MT/HR0.0379620.0591372616
23 Sb2O4 MT/HR00.4734850455
24 FeAsO4w MT/HR03.6521294237
26 Fe2O3 MT/HR0.01140.411462723
29 Gypsum MT/HR01.2735454956
30 KFe3S2O14 MT/HR02.6686233084
32 H2O MT/HR17.818162101754.3416976971
33 H2SO4 MT/HR03.2010558451
34 aNa2SO4 MT/HR0.01222292450.0160242264
35 aMgSO4 MT/HR00.3747058371
37 aFeSO4 MT/HR00.0628087281
38 H3SbO3 MT/HR00.0000629785
40 aK2SO4 MT/HR00.4642790851
41 aAl2SO43 MT/HR01.2232410339
42 aNaCl MT/HR0.00038420460.0005234375
43 aFe2SO43 MT/HR01.93408774
Solids, t/h0.01140.0156018745
Liquid, t/h0.01783076920.0616184866
% Solids3920.2043531683
Slurry, m3/h21.450193022172.7625436603
Gas, Am3/h00
Fe, gpl08.3672579409
H2SO4, gpl054.2468605255
Temp, deg C19.9999999714224.9999999996
Retention Time Compartment 100
Retention time Compartment 200
Chart1
000000000
0.710.650.70.650.6030.5850.680.6440.635
0.93040.8390.9040.8670.781650.7572250.8720.8412240.81385
0.9944320.930770.99040.978720.944320750.9138148750.973120.9474451440.9173494
21/10/04 data set1
21/10/04 data set2
28/01/05 data set
Set 2
Set 3
Set 4
Set 5
Set 6
Set 7
RT, min
% S2- oxidation
0704 trial curve
000
0.710.650.7
0.93040.8390.904
0.9944320.930770.9904
21/10/04 data set1
21/10/04 data set2
28/01/05 data set
RT, min
S2- oxidation
0304 Plant trial curve
00
0.6580.68
0.9030.91
0.97850.9855
26/03/04 data set
29/03/2004 data set
RT, min
% of S2- oxidation
Sheet4
Data from 22/03/04
RT, minAccum Ox %
FeS2 total0.1478Ox% per C00
FeS2 A10.0960065.0%30.3165.0%
FeS2 A20.04040427.3%34.8692.3%
FeS2 A30.0098666.7%43.2199.0%
FeS2 NR0.00153
Data from 26/03/04
RT, minAccum Ox %
FeS2 total0.1415Ox% per C00
FeS2 A10.09197565.0%28.1965.0%
FeS2 A20.03466824.5%33.7089.5%
FeS2 A30.0117378.3%41.0397.8%
FeS2 NR0.00312
Data from 29/03/04
RT, minAccum Ox %
FeS2 total0.133Ox% per C00
FeS2 A10.0837963.0%28.1963.0%
FeS2 A20.03543126.6%33.7089.6%
FeS2 A30.0118898.9%41.0398.6%
FeS2 NR0.00189
Data from 22/03/04 rev1
RT, minAccum Ox %
FeS2 total0.1459732584Ox% per C00
FeS2 A10.09634235060.6631.520.660
FeS2 A20.03795304720.2635.200.920
FeS2 A30.0090503420.06243.400.982
FeS2 NR0.0026275187
RT, minAccum Ox %
FeAsS total0.05101Ox% per C00.000
FeAsS A10.03366660.6630.31358885020.660
FeAsS A20.01326260.2634.86486486490.920
FeAsS A30.003162620.06243.21455648220.982
FeAsS NR0.00091818
26/03/04 data setRev 1
RT, minAccum Ox %
FeS2 total0.1415Ox% per C00
FeS2 A10.09310766%26.170.658
FeS2 A20.034667525%30.860.903
FeS2 A30.010683258%0.069507936539.090.979
FeS2 NR0.00304225
RT, minAccum Ox %
FeAsS total0.050001Ox% per C00
FeAsS A10.0329006580.65826.170.658
FeAsS A20.0122502450.24530.860.903
FeAsS A30.00377507550.075539.090.98
FeAsS NR0.0010750215
Heat to C11250
Total heat of reaction13699
0.0912475363
29/03/2004 data setRev 1
RT, minAccum Ox %
FeS2 total0.133Ox% per C000.083790.09044
FeS2 A10.0904468%25.660.680.0354310.03059
FeS2 A20.0305923%31.160.910.0118890.0100415
FeS2 A30.01004158%0.069507936538.130.9860.001890.1310715
FeS2 NR0.00192850.1330.0019285
RT, minAccum Ox %
FeAsS total0.0613Ox% per C000.0386190.041684
FeAsS A10.0416840.6825.660.680.016330.014099
FeAsS A20.0140990.2331.160.910.005480.00462815
FeAsS A30.004628150.075538.130.9860.0008710.06041115
FeAsS NR0.000888850.06130.00088885
Heat to C1650
Total heat of reaction14294
0.0454736253
21/10/04 data set1
RT, minAccum Ox %
Ox% per C00
71%23.100.710.0406702456
76%34.2093.0400%
92%45.400.994
21/10/04 data set2
RT, minAccum Ox %
Ox% per C00-0.0068975031
65%20.800.65
54%30.9083.9000%
57%41.000.9310.0168863713
28/01/05 data set
RT, minAccum Ox %
Ox% per C00
70%23.200.70.0390815828
68%34.4090.4000%
90%45.600.990
Set 1Set 2Set 3Set 4Set 5Set 6Set 7Set 8Set 9Set 10
RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %
00000000000000000000
22.80.6621.30.6519.860.60319.10.585210.6819.950.64419.450.63519.20.74521.990.720.380.745
33.80.850431.50.86729.450.7816528.30.75722531.10.87229.580.84122428.850.8138528.470.9301332.60.88630.20.93013
44.70.92071241.80.9787239.040.9443207537.50.91381487541.20.9731239.20.94744514438.240.917349437.740.9937815743.20.95668400.99378157
0.0574382539-0.01414327130.01684182160.036015978-0.109095868-0.0572774136-0.056064287-0.0606509873
0.0129048428
set5-0.070772139
RT, minAccum Ox %
Ox% per C00
64%23.200.64-0.0289336481
54%34.4083.4400%
62%45.600.937
Sheet3
STREAM NO.Str. 1117Str. 1118Str. 1122Str. 1123Str. 1124Str. 1125Str. 1126Str. 1127Str. 1128Str. 1129Str. 1130Str. 1131Str. 1132Compartment 1 Temperature
DescriptionFlashed dischargeFloc to CCD1Floc dilution CCD1Feed to CCD#1U/F CCD#1O/F CCD#1Floc to CCD#2Floc dilution to CCD2Wash water to CCD#2Feed to CCD#2O/F CCD#2U/F CCD#2S throughput, t/h2.72.82.93.03.13.3
SOLIDS FLOWRATE, t/h0.00.010.00.00.010.010.000.00.00.00.010.000.0110% S225224223220218214
LIQUID FLOWRATE, t/h0.060.050.000.000.150.030.120.000.000.030.120.090.0312% S225225225224220218
TOTAL FLOWRATE, t/h0.060.060.000.000.160.040.120.000.000.030.130.090.0414% S225225225225225225
SOLIDS SG1.002.831.001.002.832.832.831.001.001.002.832.832.83
LIQUID SG, t/m30.961.041.001.001.001.001.001.001.001.000.980.980.98
SLURRY SG, t/m30.961.201.001.001.061.291.001.001.001.001.050.981.27S oxidation, %
VOLUME FLOWRATE, m3/h64.1551.490.611.87151.6330.00121.630.000.0031.43125.1894.6930.49S throughput, t/h2.72.82.93.03.13.3
Fe, gpl0.08.590.00.03.173.173.170.00.00.00.660.660.6610% S_Scenario98.797.093.892.590.887.1
H2SO4, gpl0.060.690.00.019.30112.340.020.00.00.023.520.00110.1912% S_ Scenario98.894.591.490.889.185.6
14% S_Scenario98.892.989.186.383.277.1
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Plant High Throughput Trials in 07/05
In July 2005 eight plant trials run
Four data sets from scaled autoclave and
Four sets from clean autoclave
Scaled agitators show poorer oxygen dispersion
Scaled sets average oxygen utilisation is 79%
Clean sets average oxygen utilisation is 85%
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Plant Trials in 07/05
Sheet1
FeS2
CaCO3FeAsS
Rex 10.750.750.750.60.60.60.90.90.9
Rex 20.920.230.980.60.240.840.90.090.99
Rex 30.50.010.990.60.0960.936000.99
0.990.9360.99
0.2370.2370.2370.17
Comp#10.177750.177750.177750.153
Comp#20.054510.2322600.0153
Comp#30.002370.2346300
Nonreacted0.00237-0.407640.059250.0017
0.2370.2370.2370.17
FeAsS
Rex 10.750.750.75
Rex 20.920.230.98
Rex 30.50.010.99
0.99
0.1679
Comp#10.125925
Comp#20.038617
Comp#30.001679
Nonreacted0.001679
0.1679
Sb2S3
Rex 10.750.750.75
Rex 20.920.230.98
Rex 30.50.010.99
0.99
0.0333
Comp#10.024975
Comp#20.007659
Comp#30.000333
Nonreacted0.000333
0.0333
Sheet2
STREAM NO.Str. 74Str. 96
Stream Number7496
Description15 m Thickener U/FPOX discharge
MT/HR SOLIDS11.415.6018744703
MT/HR AQUEOUS17.830769230861.6184866089
MT/HR TOTAL29.230769230877.2203610791
Sp.Gr.SOLIDS3.16741925312.8688936803
Sp.Gr.AQUEOUS0.99886397930.9152494507
Sp.Gr.TOTAL1.36272756151.0612652774
Temperature C19.9999999714224.9999999996
Sol/Liq m3/hr21.450193022172.7625436603
Gas Nm3/hr00
Gas am3/hr00
1 SiO2 MT/HR4.41867426.0738485036
2 FeS2A1 MT/HR2.0263500.75
3 FeS2A2 MT/HR0.6214140
4 FeS2A3 MT/HR0.0270180
5 FeS2NR MT/HR0.0270180.027018
9 K2O MT/HR0.36480
10 Al2O3 MT/HR0.94620.9373627532
12 MgO MT/HR0.09120
13 CaCO3 MT/HR0.538080
15 FeAsSA1 MT/HR1.43554500.75
16 FeAsSA2 MT/HR0.44023380
17 FeAsSA3 MT/HR0.01914060
18 FeAsSNR MT/HR0.01914060.0252619558
19 Sb2S3A1 MT/HR0.28471500.6880733945
20 Sb2S3A2 MT/HR0.08731260
21 Sb2S3A3 MT/HR0.00379620
22 Sb2S3NR MT/HR0.0379620.0591372616
23 Sb2O4 MT/HR00.4734850455
24 FeAsO4w MT/HR03.6521294237
26 Fe2O3 MT/HR0.01140.411462723
29 Gypsum MT/HR01.2735454956
30 KFe3S2O14 MT/HR02.6686233084
32 H2O MT/HR17.818162101754.3416976971
33 H2SO4 MT/HR03.2010558451
34 aNa2SO4 MT/HR0.01222292450.0160242264
35 aMgSO4 MT/HR00.3747058371
37 aFeSO4 MT/HR00.0628087281
38 H3SbO3 MT/HR00.0000629785
40 aK2SO4 MT/HR00.4642790851
41 aAl2SO43 MT/HR01.2232410339
42 aNaCl MT/HR0.00038420460.0005234375
43 aFe2SO43 MT/HR01.93408774
Solids, t/h0.01140.0156018745
Liquid, t/h0.01783076920.0616184866
% Solids3920.2043531683
Slurry, m3/h21.450193022172.7625436603
Gas, Am3/h00
Fe, gpl08.3672579409
H2SO4, gpl054.2468605255
Temp, deg C19.9999999714224.9999999996
Retention Time Compartment 100
Retention time Compartment 200
Chart1
000000000
0.710.650.70.650.6030.5850.680.6440.635
0.93040.8390.9040.8670.781650.7572250.8720.8412240.81385
0.9944320.930770.99040.978720.944320750.9138148750.973120.9474451440.9173494
21/10/04 data set1
21/10/04 data set2
28/01/05 data set
Set 2
Set 3
Set 4
Set 5
Set 6
Set 7
RT, min
% S2- oxidation
0705 curve
00000000
0.650.6030.5850.680.6440.6350.660.745
0.8670.781650.7572250.8720.8412240.813850.85040.93013
0.978720.944320750.9138148750.973120.9474451440.91734940.9207120.99378157
Set 2
Set 3
Set 4
Set 5
Set 6
Set 7
Set 1
Set 8
RT, min
S2- oxidation
all trial curve
00000000000
0.710.650.70.650.6030.5850.680.6440.6350.660.745
0.93040.8390.9040.8670.781650.7572250.8720.8412240.813850.85040.93013
0.9944320.930770.99040.978720.944320750.9138148750.973120.9474451440.91734940.9207120.99378157
21/10/04 data set1
21/10/04 data set2
28/01/05 data set
Set 2
Set 3
Set 4
Set 5
Set 6
Set 7
Set 1
Set 8
RT, min
% of S2- oxidation
0704 trial curve
000
0.710.650.7
0.93040.8390.904
0.9944320.930770.9904
21/10/04 data set1
21/10/04 data set2
28/01/05 data set
RT, min
% of S2- oxidation
0304 Plant trial curve
00
0.6580.68
0.9030.91
0.97850.9855
26/03/04 data set
29/03/2004 data set
RT, min
% of S2- oxidation
Sheet4
Data from 22/03/04
RT, minAccum Ox %
FeS2 total0.1478Ox% per C00
FeS2 A10.0960065.0%30.3165.0%
FeS2 A20.04040427.3%34.8692.3%
FeS2 A30.0098666.7%43.2199.0%
FeS2 NR0.00153
Data from 26/03/04
RT, minAccum Ox %
FeS2 total0.1415Ox% per C00
FeS2 A10.09197565.0%28.1965.0%
FeS2 A20.03466824.5%33.7089.5%
FeS2 A30.0117378.3%41.0397.8%
FeS2 NR0.00312
Data from 29/03/04
RT, minAccum Ox %
FeS2 total0.133Ox% per C00
FeS2 A10.0837963.0%28.1963.0%
FeS2 A20.03543126.6%33.7089.6%
FeS2 A30.0118898.9%41.0398.6%
FeS2 NR0.00189
Data from 22/03/04 rev1
RT, minAccum Ox %
FeS2 total0.1459732584Ox% per C00
FeS2 A10.09634235060.6631.520.660
FeS2 A20.03795304720.2635.200.920
FeS2 A30.0090503420.06243.400.982
FeS2 NR0.0026275187
RT, minAccum Ox %
FeAsS total0.05101Ox% per C00.000
FeAsS A10.03366660.6630.31358885020.660
FeAsS A20.01326260.2634.86486486490.920
FeAsS A30.003162620.06243.21455648220.982
FeAsS NR0.00091818
26/03/04 data setRev 1
RT, minAccum Ox %
FeS2 total0.1415Ox% per C00
FeS2 A10.09310766%26.170.658
FeS2 A20.034667525%30.860.903
FeS2 A30.010683258%0.069507936539.090.979
FeS2 NR0.00304225
RT, minAccum Ox %
FeAsS total0.050001Ox% per C00
FeAsS A10.0329006580.65826.170.658
FeAsS A20.0122502450.24530.860.903
FeAsS A30.00377507550.075539.090.98
FeAsS NR0.0010750215
Heat to C11250
Total heat of reaction13699
0.0912475363
29/03/2004 data setRev 1
RT, minAccum Ox %
FeS2 total0.133Ox% per C000.083790.09044
FeS2 A10.0904468%25.660.680.0354310.03059
FeS2 A20.0305923%31.160.910.0118890.0100415
FeS2 A30.01004158%0.069507936538.130.9860.001890.1310715
FeS2 NR0.00192850.1330.0019285
RT, minAccum Ox %
FeAsS total0.0613Ox% per C000.0386190.041684
FeAsS A10.0416840.6825.660.680.016330.014099
FeAsS A20.0140990.2331.160.910.005480.00462815
FeAsS A30.004628150.075538.130.9860.0008710.06041115
FeAsS NR0.000888850.06130.00088885
Heat to C1650
Total heat of reaction14294
0.0454736253
21/10/04 data set1
RT, minAccum Ox %
Ox% per C00
71%23.100.710.0406702456
76%34.2093.0400%
92%45.400.994
21/10/04 data set2
RT, minAccum Ox %
Ox% per C00-0.0068975031
65%20.800.65
54%30.9083.9000%
57%41.000.9310.0168863713
28/01/05 data set
RT, minAccum Ox %
Ox% per C00
70%23.200.70.0390815828
68%34.4090.4000%
90%45.600.990
Set 1Set 2Set 3Set 4Set 5Set 6Set 7Set 8Set 9Set 10
RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %
00000000000000000000
22.80.6621.30.6519.860.60319.10.585210.6819.950.64419.450.63519.20.74521.990.720.380.745
33.80.850431.50.86729.450.7816528.30.75722531.10.87229.580.84122428.850.8138528.470.9301332.60.88630.20.93013
44.70.92071241.80.9787239.040.9443207537.50.91381487541.20.9731239.20.94744514438.240.917349437.740.9937815743.20.95668400.99378157
0.0574382539-0.01414327130.01684182160.036015978-0.109095868-0.0572774136-0.056064287-0.0606509873
0.0129048428
set5-0.070772139
RT, minAccum Ox %
Ox% per C00
64%23.200.64-0.0289336481
54%34.4083.4400%
62%45.600.937
Sheet3
STREAM NO.Str. 1117Str. 1118Str. 1122Str. 1123Str. 1124Str. 1125Str. 1126Str. 1127Str. 1128Str. 1129Str. 1130Str. 1131Str. 1132Compartment 1 Temperature
DescriptionFlashed dischargeFloc to CCD1Floc dilution CCD1Feed to CCD#1U/F CCD#1O/F CCD#1Floc to CCD#2Floc dilution to CCD2Wash water to CCD#2Feed to CCD#2O/F CCD#2U/F CCD#2S throughput, t/h2.72.82.93.03.13.3
SOLIDS FLOWRATE, t/h0.00.010.00.00.010.010.000.00.00.00.010.000.0110% S225224223220218214
LIQUID FLOWRATE, t/h0.060.050.000.000.150.030.120.000.000.030.120.090.0312% S225225225224220218
TOTAL FLOWRATE, t/h0.060.060.000.000.160.040.120.000.000.030.130.090.0414% S225225225225225225
SOLIDS SG1.002.831.001.002.832.832.831.001.001.002.832.832.83
LIQUID SG, t/m30.961.041.001.001.001.001.001.001.001.000.980.980.98
SLURRY SG, t/m30.961.201.001.001.061.291.001.001.001.001.050.981.27S oxidation, %
VOLUME FLOWRATE, m3/h64.1551.490.611.87151.6330.00121.630.000.0031.43125.1894.6930.49S throughput, t/h2.72.82.93.03.13.3
Fe, gpl0.08.590.00.03.173.173.170.00.00.00.660.660.6610% S_Scenario98.797.093.892.590.887.1
H2SO4, gpl0.060.690.00.019.30112.340.020.00.00.023.520.00110.1912% S_ Scenario98.894.591.490.889.185.6
14% S_Scenario98.892.989.186.383.277.1
-
Model to Predict Various Scenarios
Plot leach kinetics for all plant trials
Use average kinetic curve for further modelling
Scenarios modelled:
Grade: 10%, 12% and 14% total S
Throughput: 2.7, 2.8, 2.9, 3.0, 3.1 and 3.3 t/h TS
Constant oxygen partial pressure
Oxygen: 7 t/h
-
The Final Kinetic Curve Used for Scenario Modelling
Sheet1
FeS2
CaCO3FeAsS
Rex 10.750.750.750.60.60.60.90.90.9
Rex 20.920.230.980.60.240.840.90.090.99
Rex 30.50.010.990.60.0960.936000.99
0.990.9360.99
0.2370.2370.2370.17
Comp#10.177750.177750.177750.153
Comp#20.054510.2322600.0153
Comp#30.002370.2346300
Nonreacted0.00237-0.407640.059250.0017
0.2370.2370.2370.17
FeAsS
Rex 10.750.750.75
Rex 20.920.230.98
Rex 30.50.010.99
0.99
0.1679
Comp#10.125925
Comp#20.038617
Comp#30.001679
Nonreacted0.001679
0.1679
Sb2S3
Rex 10.750.750.75
Rex 20.920.230.98
Rex 30.50.010.99
0.99
0.0333
Comp#10.024975
Comp#20.007659
Comp#30.000333
Nonreacted0.000333
0.0333
Sheet2
STREAM NO.Str. 74Str. 96
Stream Number7496
Description15 m Thickener U/FPOX discharge
MT/HR SOLIDS11.415.6018744703
MT/HR AQUEOUS17.830769230861.6184866089
MT/HR TOTAL29.230769230877.2203610791
Sp.Gr.SOLIDS3.16741925312.8688936803
Sp.Gr.AQUEOUS0.99886397930.9152494507
Sp.Gr.TOTAL1.36272756151.0612652774
Temperature C19.9999999714224.9999999996
Sol/Liq m3/hr21.450193022172.7625436603
Gas Nm3/hr00
Gas am3/hr00
1 SiO2 MT/HR4.41867426.0738485036
2 FeS2A1 MT/HR2.0263500.75
3 FeS2A2 MT/HR0.6214140
4 FeS2A3 MT/HR0.0270180
5 FeS2NR MT/HR0.0270180.027018
9 K2O MT/HR0.36480
10 Al2O3 MT/HR0.94620.9373627532
12 MgO MT/HR0.09120
13 CaCO3 MT/HR0.538080
15 FeAsSA1 MT/HR1.43554500.75
16 FeAsSA2 MT/HR0.44023380
17 FeAsSA3 MT/HR0.01914060
18 FeAsSNR MT/HR0.01914060.0252619558
19 Sb2S3A1 MT/HR0.28471500.6880733945
20 Sb2S3A2 MT/HR0.08731260
21 Sb2S3A3 MT/HR0.00379620
22 Sb2S3NR MT/HR0.0379620.0591372616
23 Sb2O4 MT/HR00.4734850455
24 FeAsO4w MT/HR03.6521294237
26 Fe2O3 MT/HR0.01140.411462723
29 Gypsum MT/HR01.2735454956
30 KFe3S2O14 MT/HR02.6686233084
32 H2O MT/HR17.818162101754.3416976971
33 H2SO4 MT/HR03.2010558451
34 aNa2SO4 MT/HR0.01222292450.0160242264
35 aMgSO4 MT/HR00.3747058371
37 aFeSO4 MT/HR00.0628087281
38 H3SbO3 MT/HR00.0000629785
40 aK2SO4 MT/HR00.4642790851
41 aAl2SO43 MT/HR01.2232410339
42 aNaCl MT/HR0.00038420460.0005234375
43 aFe2SO43 MT/HR01.93408774
Solids, t/h0.01140.0156018745
Liquid, t/h0.01783076920.0616184866
% Solids3920.2043531683
Slurry, m3/h21.450193022172.7625436603
Gas, Am3/h00
Fe, gpl08.3672579409
H2SO4, gpl054.2468605255
Temp, deg C19.9999999714224.9999999996
Retention Time Compartment 100
Retention time Compartment 200
Chart1
000000000
0.710.650.70.650.6030.5850.680.6440.635
0.93040.8390.9040.8670.781650.7572250.8720.8412240.81385
0.9944320.930770.99040.978720.944320750.9138148750.973120.9474451440.9173494
21/10/04 data set1
21/10/04 data set2
28/01/05 data set
Set 2
Set 3
Set 4
Set 5
Set 6
Set 7
RT, min
% S2- oxidation
0705 curve
00000000
0.650.6030.5850.680.6440.6350.660.745
0.8670.781650.7572250.8720.8412240.813850.85040.93013
0.978720.944320750.9138148750.973120.9474451440.91734940.9207120.99378157
Set 2
Set 3
Set 4
Set 5
Set 6
Set 7
Set 1
Set 8
RT, min
% of S2- oxidation
all trial curve
0000000000
0.710.650.70.650.6030.5850.680.6440.6350.030952381
0.93040.8390.9040.8670.781650.7572250.8720.8412240.813850.0619047619
0.9944320.930770.99040.978720.944320750.9138148750.973120.9474451440.91734940.0928571429
0.1238095238
0.1547619048
0.1857142857
0.2166666667
0.2476190476
0.2785714286
0.3095238095
0.3404761905
0.3714285714
0.4023809524
0.4333333333
0.4642857143
0.4952380952
0.5261904762
0.5571428571
0.5880952381
0.619047619
0.65
0.67
0.69
0.71
0.73
0.75
0.77
0.79
0.81
0.83
0.844
0.858
0.872
0.886
0.9
0.912
0.924
0.936
0.948
0.96
0.966
0.972
0.978
0.984
0.99
0.9906666667
0.9913333333
0.992
0.9926666667
0.9933333333
0.994
0.9946666667
0.9953333333
0.996
0.9966666667
0.9973333333
0.998
0.9986666667
0.9993333333
1
21/10/04 data set1
21/10/04 data set2
28/01/05 data set
Set 2
Set 3
Set 4
Set 5
Set 6
Set 7
Metsim input
RT, min
% of S2- oxidation
0704 trial curve
000
0.710.650.7
0.93040.8390.904
0.9944320.930770.9904
21/10/04 data set1
21/10/04 data set2
28/01/05 data set
RT, min
% of S2- oxidation
0304 Plant trial curve
00
0.6580.68
0.9030.91
0.97850.9855
26/03/04 data set
29/03/2004 data set
RT, min
% of S2- oxidation
Sheet4
Data from 22/03/04
RT, minAccum Ox %
FeS2 total0.1478Ox% per C00
FeS2 A10.0960065.0%30.3165.0%
FeS2 A20.04040427.3%34.8692.3%
FeS2 A30.0098666.7%43.2199.0%
FeS2 NR0.00153
Data from 26/03/04
RT, minAccum Ox %
FeS2 total0.1415Ox% per C00
FeS2 A10.09197565.0%28.1965.0%
FeS2 A20.03466824.5%33.7089.5%
FeS2 A30.0117378.3%41.0397.8%
FeS2 NR0.00312
Data from 29/03/04
RT, minAccum Ox %
FeS2 total0.133Ox% per C00
FeS2 A10.0837963.0%28.1963.0%
FeS2 A20.03543126.6%33.7089.6%
FeS2 A30.0118898.9%41.0398.6%
FeS2 NR0.00189
Data from 22/03/04 rev1
RT, minAccum Ox %
FeS2 total0.1459732584Ox% per C00
FeS2 A10.09634235060.6631.520.660
FeS2 A20.03795304720.2635.200.920
FeS2 A30.0090503420.06243.400.982
FeS2 NR0.0026275187
RT, minAccum Ox %
FeAsS total0.05101Ox% per C00.000
FeAsS A10.03366660.6630.31358885020.660
FeAsS A20.01326260.2634.86486486490.920
FeAsS A30.003162620.06243.21455648220.982
FeAsS NR0.00091818
26/03/04 data setRev 1
RT, minAccum Ox %
FeS2 total0.1415Ox% per C00
FeS2 A10.09310766%26.170.658
FeS2 A20.034667525%30.860.903
FeS2 A30.010683258%0.069507936539.090.979
FeS2 NR0.00304225
RT, minAccum Ox %
FeAsS total0.050001Ox% per C00
FeAsS A10.0329006580.65826.170.658
FeAsS A20.0122502450.24530.860.903
FeAsS A30.00377507550.075539.090.98
FeAsS NR0.0010750215
Heat to C11250
Total heat of reaction13699
0.0912475363
29/03/2004 data setRev 1
RT, minAccum Ox %
FeS2 total0.133Ox% per C000.083790.09044
FeS2 A10.0904468%25.660.680.0354310.03059
FeS2 A20.0305923%31.160.910.0118890.0100415
FeS2 A30.01004158%0.069507936538.130.9860.001890.1310715
FeS2 NR0.00192850.1330.0019285
RT, minAccum Ox %
FeAsS total0.0613Ox% per C000.0386190.041684
FeAsS A10.0416840.6825.660.680.016330.014099
FeAsS A20.0140990.2331.160.910.005480.00462815
FeAsS A30.004628150.075538.130.9860.0008710.06041115
FeAsS NR0.000888850.06130.00088885
Heat to C1650
Total heat of reaction14294
0.0454736253
21/10/04 data set1
RT, minAccum Ox %
Ox% per C00
71%23.100.710.0406702456
76%34.2093.0400%
92%45.400.994
21/10/04 data set2
RT, minAccum Ox %
Ox% per C00-0.0068975031
65%20.800.65
54%30.9083.9000%
57%41.000.9310.0168863713
28/01/05 data set
RT, minAccum Ox %
Ox% per C00
70%23.200.70.0390815828
68%34.4090.4000%
90%45.600.990
Set 1Set 2Set 3Set 4Set 5Set 6Set 7Set 8Set 9Set 10
RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %
00000000000000000000
22.80.6621.30.6519.860.60319.10.585210.6819.950.64419.450.63519.20.74521.990.720.380.745
33.80.850431.50.86729.450.7816528.30.75722531.10.87229.580.84122428.850.8138528.470.9301332.60.88630.20.93013
44.70.92071241.80.9787239.040.9443207537.50.91381487541.20.9731239.20.94744514438.240.917349437.740.9937815743.20.95668400.99378157
0.0574382539-0.01414327130.01684182160.036015978-0.109095868-0.0572774136-0.056064287-0.0606509873
0.0129048428
set5-0.070772139
RT, minAccum Ox %
Ox% per C00Average curve
64%23.200.64-0.0289336481RT, minOX %
54%34.4083.4400%00
62%45.600.937210.65
300.83
400.95
450.99
Metsim input
00
10.030952381
20.0619047619
30.0928571429
40.1238095238
50.1547619048
60.1857142857
70.2166666667
80.2476190476
90.2785714286
100.3095238095
110.3404761905
120.3714285714
130.4023809524
140.4333333333
150.4642857143
160.4952380952
170.5261904762
180.5571428571
190.5880952381
200.619047619
210.65
220.67
230.69
240.71
250.73
260.75
270.77
280.79
290.81
300.83
310.844
320.858
330.872
340.886
350.9
360.912
370.924
380.936
390.948
400.96
410.966
420.972
430.978
440.984
450.99
460.9906666667
470.9913333333
480.992
490.9926666667
500.9933333333
510.994
520.9946666667
530.9953333333
540.996
550.9966666667
560.9973333333
570.998
580.9986666667
590.9993333333
601
Sheet3
STREAM NO.Str. 1117Str. 1118Str. 1122Str. 1123Str. 1124Str. 1125Str. 1126Str. 1127Str. 1128Str. 1129Str. 1130Str. 1131Str. 1132Compartment 1 Temperature
DescriptionFlashed dischargeFloc to CCD1Floc dilution CCD1Feed to CCD#1U/F CCD#1O/F CCD#1Floc to CCD#2Floc dilution to CCD2Wash water to CCD#2Feed to CCD#2O/F CCD#2U/F CCD#2S throughput, t/h2.72.82.93.03.13.3
SOLIDS FLOWRATE, t/h0.00.010.00.00.010.010.000.00.00.00.010.000.0110% S225224223220218214
LIQUID FLOWRATE, t/h0.060.050.000.000.150.030.120.000.000.030.120.090.0312% S225225225224220218
TOTAL FLOWRATE, t/h0.060.060.000.000.160.040.120.000.000.030.130.090.0414% S225225225225225225
SOLIDS SG1.002.831.001.002.832.832.831.001.001.002.832.832.83
LIQUID SG, t/m30.961.041.001.001.001.001.001.001.001.000.980.980.98
SLURRY SG, t/m30.961.201.001.001.061.291.001.001.001.001.050.981.27S oxidation, %
VOLUME FLOWRATE, m3/h64.1551.490.611.87151.6330.00121.630.000.0031.43125.1894.6930.49S throughput, t/h2.72.82.93.03.13.3
Fe, gpl0.08.590.00.03.173.173.170.00.00.00.660.660.6610% S_Scenario98.797.093.892.590.887.1
H2SO4, gpl0.060.690.00.019.30112.340.020.00.00.023.520.00110.1912% S_ Scenario98.894.591.490.889.185.6
98.892.989.186.383.277.1
-
Scenario Modelling Results
For 10% S and 12% S-C1 temp drops with higher throughput
For 14% S-C1 maintains 225C for all scenarios modelled
Sheet1
FeS2
CaCO3FeAsS
Rex 10.750.750.750.60.60.60.90.90.9
Rex 20.920.230.980.60.240.840.90.090.99
Rex 30.50.010.990.60.0960.936000.99
0.990.9360.99
0.2370.2370.2370.17
Comp#10.177750.177750.177750.153
Comp#20.054510.2322600.0153
Comp#30.002370.2346300
Nonreacted0.00237-0.407640.059250.0017
0.2370.2370.2370.17
FeAsS
Rex 10.750.750.75
Rex 20.920.230.98
Rex 30.50.010.99
0.99
0.1679
Comp#10.125925
Comp#20.038617
Comp#30.001679
Nonreacted0.001679
0.1679
Sb2S3
Rex 10.750.750.75
Rex 20.920.230.98
Rex 30.50.010.99
0.99
0.0333
Comp#10.024975
Comp#20.007659
Comp#30.000333
Nonreacted0.000333
0.0333
Sheet2
STREAM NO.Str. 74Str. 96
Stream Number7496
Description15 m Thickener U/FPOX discharge
MT/HR SOLIDS11.415.6018744703
MT/HR AQUEOUS17.830769230861.6184866089
MT/HR TOTAL29.230769230877.2203610791
Sp.Gr.SOLIDS3.16741925312.8688936803
Sp.Gr.AQUEOUS0.99886397930.9152494507
Sp.Gr.TOTAL1.36272756151.0612652774
Temperature C19.9999999714224.9999999996
Sol/Liq m3/hr21.450193022172.7625436603
Gas Nm3/hr00
Gas am3/hr00
1 SiO2 MT/HR4.41867426.0738485036
2 FeS2A1 MT/HR2.0263500.75
3 FeS2A2 MT/HR0.6214140
4 FeS2A3 MT/HR0.0270180
5 FeS2NR MT/HR0.0270180.027018
9 K2O MT/HR0.36480
10 Al2O3 MT/HR0.94620.9373627532
12 MgO MT/HR0.09120
13 CaCO3 MT/HR0.538080
15 FeAsSA1 MT/HR1.43554500.75
16 FeAsSA2 MT/HR0.44023380
17 FeAsSA3 MT/HR0.01914060
18 FeAsSNR MT/HR0.01914060.0252619558
19 Sb2S3A1 MT/HR0.28471500.6880733945
20 Sb2S3A2 MT/HR0.08731260
21 Sb2S3A3 MT/HR0.00379620
22 Sb2S3NR MT/HR0.0379620.0591372616
23 Sb2O4 MT/HR00.4734850455
24 FeAsO4w MT/HR03.6521294237
26 Fe2O3 MT/HR0.01140.411462723
29 Gypsum MT/HR01.2735454956
30 KFe3S2O14 MT/HR02.6686233084
32 H2O MT/HR17.818162101754.3416976971
33 H2SO4 MT/HR03.2010558451
34 aNa2SO4 MT/HR0.01222292450.0160242264
35 aMgSO4 MT/HR00.3747058371
37 aFeSO4 MT/HR00.0628087281
38 H3SbO3 MT/HR00.0000629785
40 aK2SO4 MT/HR00.4642790851
41 aAl2SO43 MT/HR01.2232410339
42 aNaCl MT/HR0.00038420460.0005234375
43 aFe2SO43 MT/HR01.93408774
Solids, t/h0.01140.0156018745
Liquid, t/h0.01783076920.0616184866
% Solids3920.2043531683
Slurry, m3/h21.450193022172.7625436603
Gas, Am3/h00
Fe, gpl08.3672579409
H2SO4, gpl054.2468605255
Temp, deg C19.9999999714224.9999999996
Retention Time Compartment 100
Retention time Compartment 200
Chart1
000000000
0.710.650.70.650.6030.5850.680.6440.635
0.93040.8390.9040.8670.781650.7572250.8720.8412240.81385
0.9944320.930770.99040.978720.944320750.9138148750.973120.9474451440.9173494
Data from 21/10/04 set1
Data from 21/10/04 set2
Data from 28/01/05
Set 2
Set 3
Set 4
Set 5
Set 6
Set 7
0304 Plant trial curve
00000
0.6580.680.710.650.7
0.9030.910.93040.8390.904
0.97850.98550.9944320.930770.9904
Data from 26/03/04 rev1
Data from 29/03/04 rev1
Data from 21/10/04 set1
Data from 21/10/04 set2
Data from 28/01/05
RT, min
% of S2- oxidation
Sheet4
Data from 22/03/04
RT, minAccum Ox %
FeS2 total0.1478Ox% per C00
FeS2 A10.0960065.0%30.3165.0%
FeS2 A20.04040427.3%34.8692.3%
FeS2 A30.0098666.7%43.2199.0%
FeS2 NR0.00153
Data from 26/03/04
RT, minAccum Ox %
FeS2 total0.1415Ox% per C00
FeS2 A10.09197565.0%28.1965.0%
FeS2 A20.03466824.5%33.7089.5%
FeS2 A30.0117378.3%41.0397.8%
FeS2 NR0.00312
Data from 29/03/04
RT, minAccum Ox %
FeS2 total0.133Ox% per C00
FeS2 A10.0837963.0%28.1963.0%
FeS2 A20.03543126.6%33.7089.6%
FeS2 A30.0118898.9%41.0398.6%
FeS2 NR0.00189
Data from 22/03/04 rev1
RT, minAccum Ox %
FeS2 total0.1459732584Ox% per C00
FeS2 A10.09634235060.6631.520.660
FeS2 A20.03795304720.2635.200.920
FeS2 A30.0090503420.06243.400.982
FeS2 NR0.0026275187
RT, minAccum Ox %
FeAsS total0.05101Ox% per C00.000
FeAsS A10.03366660.6630.31358885020.660
FeAsS A20.01326260.2634.86486486490.920
FeAsS A30.003162620.06243.21455648220.982
FeAsS NR0.00091818
Data from 26/03/04 rev1Rev 1
RT, minAccum Ox %
FeS2 total0.1415Ox% per C00
FeS2 A10.09310766%26.170.658
FeS2 A20.034667525%30.860.903
FeS2 A30.010683258%0.069507936539.090.979
FeS2 NR0.00304225
RT, minAccum Ox %
FeAsS total0.050001Ox% per C00
FeAsS A10.0329006580.65826.170.658
FeAsS A20.0122502450.24530.860.903
FeAsS A30.00377507550.075539.090.98
FeAsS NR0.0010750215
Heat to C11250
Total heat of reaction13699
0.0912475363
Data from 29/03/04 rev1Rev 1
RT, minAccum Ox %
FeS2 total0.133Ox% per C000.083790.09044
FeS2 A10.0904468%25.660.680.0354310.03059
FeS2 A20.0305923%31.160.910.0118890.0100415
FeS2 A30.01004158%0.069507936538.130.9860.001890.1310715
FeS2 NR0.00192850.1330.0019285
RT, minAccum Ox %
FeAsS total0.0613Ox% per C000.0386190.041684
FeAsS A10.0416840.6825.660.680.016330.014099
FeAsS A20.0140990.2331.160.910.005480.00462815
FeAsS A30.004628150.075538.130.9860.0008710.06041115
FeAsS NR0.000888850.06130.00088885
Heat to C1650
Total heat of reaction14294
0.0454736253
Data from 21/10/04 set1
RT, minAccum Ox %
Ox% per C00
71%23.100.710.0406702456
76%34.2093.0400%
92%45.400.994
Data from 21/10/04 set2
RT, minAccum Ox %
Ox% per C00-0.0068975031
65%20.800.65
54%30.9083.9000%
57%41.000.9310.0168863713
Data from 28/01/05
RT, minAccum Ox %
Ox% per C00
70%23.200.70.0390815828
68%34.4090.4000%
90%45.600.990
Set 1Set 2Set 3Set 4Set 5Set 6Set 7Set 8Set 9Set 10
RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %RT, minOX %
00000000000000000000
22.80.6621.30.6519.860.60319.10.585210.6819.950.64419.450.63519.20.74521.990.720.380.745
33.80.850431.50.86729.450.7816528.30.75722531.10.87229.580.84122428.850.8138528.470.9301332.60.88630.20.93013
44.70.92071241.80.9787239.040.9443207537.50.91381487541.20.9731239.20.94744514438.240.917349437.740.9937815743.20.95668400.99378157
0.0574382539-0.01414327130.01684182160.036015978-0.109095868-0.0572774136-0.056064287-0.0606509873
0.0129048428
set5-0.070772139
RT, minAccum Ox %
Ox% per C00
64%23.200.64
54%34.4083.4400%
62%45.600.937
Sheet3
STREAM NO.Str. 1117Str. 1118Str. 1122Str. 1123Str. 1124Str. 1125Str. 1126Str. 1127Str. 1128Str. 1129Str. 1130Str. 1131Str. 1132Compartment 1 Temperature
DescriptionFlashed dischargeFloc to CCD1Floc dilution CCD1Feed to CCD#1U/F CCD#1O/F CCD#1Floc to CCD#2Floc dilution to CCD2Wash water to CCD#2Feed to CCD#2O/F CCD#2U/F CCD#2S throughput, t/h2.72.82.93.03.13.3
SOLIDS FLOWRATE, t/h0.00.010.00.00.010.010.000.00.00.00.010.000.0110% S225224223220218214
LIQUID FLOWRATE, t/h0.060.050.000.000.150.030.120.000.000.030.120.090.0312% S225225225224220218
TOTAL FLOWRATE, t/h0.060.060.000.000.160.040.120.000.000.030.130.090.0414% S225225225225225225
SOLIDS SG1.002.831.001.002.832.832.831.001.001.002.832.832.83
LIQUID SG, t/m30.961.041.001.001.001.001.001.001.001.000.980.980.98
SLURRY SG, t/m30.961.201.001.001.061.291.001.001.001.001.050.981.27
VOLUME FLOWRATE, m3/h64.1551.490.611.87151.6330.00121.630.000.0031.43125.1894.6930.49
Fe, gpl0.08.590.00.03.173.173.170.00.00.00.660.660.66
H2SO4, gpl0.060.690.00.019.30112.340.020.00.00.023.520.00110.19
-
Scenario Modelling Results
Trends
16.9796623207224.9226379395
16.9479302828224.9430847168
16.8923623851225.1084442139
16.9177471519225.0176849365
16.9430552242224.9438934326
17.0067102812224.9950561523
16.997625491225.0674743652
17.0341897974225.069732666
16.9340452888224.8897857666
17.0545502288224.8482818604
17.0491348522224.9708099365
17.0571433151225.0779418945
17.0497933866224.9691162109
17.0355279914224.85597229
17.0554807294225.0074005127
17.0416463749225.1544189453
17.1179924903225.219329834
17.4007327252225.0014648438
17.4089600657224.8843383789
17.3925428917224.9710540771
17.2499385949224.9444885254
17.4217762227224.9875640869
17.6359514551224.9130249023
17.6607717152224.9370880127
17.6932510259224.7020263672
17.6847217319224.9550018311
17.6747829885224.9267883301
17.677731146224.8800048828
17.670370491224.912689209
17.6835406983224.7576141357
17.9088646887224.7543029785
18.5047954356224.6452026367
19.0852304928224.9667358398
19.7428084781225.2124633789
20.7279190504225.1925964355
20.9276093743224.8765106201
21.3629033464224.6585540771
21.46034523224.827911377
22.0913735703224.877243042
22.2814928466224.6233062744
22.3472493402224.3978729248
22.3419596014224.4186553955
22.3716917592224.4301300049
22.3342246125224.3685150146
22.358841164224.340713501
22.365403988224.1690826416
22.5124991256224.1221618652
22.9082456127224.0638275146
22.9377459828224.189666748
23.1151035911224.1541442871
23.2015902534224.0127716064
23.4789968568223.8923492432
23.6505508004223.7632598877
23.9984753643223.6834564209
24.179880311223.5502471924
24.6297889407223.5404052734
24.5789528045223.3623962402
24.7169991371223.391998291
25.3345174552223.3013763428
25.2912433809223.1330566406
25.8348308031223.1538543701
26.237976204223.0513458252
26.2763036183222.9161529541
26.6039895628222.6936035156
26.7983813228222.5802459717
26.8406594922222.3636627197
26.807077476222.2509765625
26.79445057222.1340942383
26.7868769986222.1529541016
27.4405337578222.1762390137
27.4511492119221.9597320557
28.1779700849221.6779785156
28.5491320347220.4710235596
28.8023754202218.8923950195
29.24409666219.0705566406
29.7024801127218.8324279785
29.6789398828218.3278045654
30.3014261086217.9840698242
30.598326775217.5533447266
31.746670542217.3777008057
32.5806473026217.3179321289
32.6709950757216.5564117432
32.7409088422216.1902008057
32.7791130151216.1281280518
32.7664729113216.3338012695
32.8024305091216.4199981689
32.8223023028216.4822387695
32.8002393791216.6903533936
32.8071829411216.8702545166
32.7873265808217.1801300049
32.668244402217.308303833
32.8307673476217.5469055176
32.792278375217.6484069824
32.7228921931217.7198944092
32.7128792691217.7129974365
32.7615692966217.6732025146
32.8638813947217.7052154541
32.7522794736217.733795166
32.8131253418217.7599334717
32.8407338044217.6343231201
32.7241683999217.6626281738
32.6856794802217.6516113281
32.8057192401217.672744751
32.6708971027217.6094818115
32.7875735329217.5484313965
32.7212701892217.53465271
32.7771972205217.4320373535
32.7666163354217.4721679688
32.6792383604217.3921966553
32.6736106608217.5735931396
32.6874427738217.5886383057
32.7116983547217.5033721924
32.7708504661217.4440612793
32.7389398474217.3594512939
32.7436644128217.394744873
32.7507990153217.3863220215
32.6455088156217.504196167
32.6829369547217.4109954834
32.7621165712217.5045776367
32.7185917648217.3723144531
32.7524230653217.3753967285
32.7330513075217.4401245117
32.6621945077217.3777160645
32.8265838374217.4693756104
32.7764108035217.4430084229
34.1696245241217.5237426758
34.5170779799216.5753479004
34.5849531045215.5910186768
34.8513098877215.0147399902
34.8902860644214.31690979
34.435883769214.0676727295
34.4941253163214.8368225098
34.6259833407215.4863433838
34.670316062215.7857513428
34.6143480558215.9948883057
34.608239145215.9387054443
34.4240511692216.0037536621
34.3012740684215.9109191895
34.3094600727215.9816894531
34.3648186083215.9802246094
34.3394132376215.841217041
34.4673424318215.6831512451
34.6180925019215.5279693604
34.4860685955215.5309295654
34.4622102884215.4889984131
34.5911056402215.4835357666
34.4183000586215.5294647217
34.3455520427215.5135345459
34.5545984976215.552947998
34.5064127427215.4454498291
34.5612041794215.2967224121
34.4409949009215.1161804199
34.316964622214.9738616943
34.4289762913214.7416534424
34.3821903911214.4564819336
34.3773848997214.3171234131
34.4600168372214.215713501
34.535228264214.3706359863
34.5197352454214.5137329102
34.3381836107214.6631317139
34.2658365824214.8567657471
33.637874274215.0916595459
33.4103542945215.588973999
33.3907048327215.9967346191
33.3314615398216.3171386719
33.1992920831216.4484863281
32.7496021417216.5854492188
32.2033455103216.6972808838
30.3507737544217.064956665
28.3937114677218.1883850098
26.6275706464219.4718322754
25.1024989086220.5631256104
22.6871335622221.5812530518
22.8092287447222.6266937256
21.7348724375222.4972991943
21.5017539092221.9916381836
20.3848248584221.7089080811
19.9697356924222.3095245361
18.8330018966223.1779632568
18.7399084592224.0455322266
18.8215142756224.4947509766
18.7806128606224.6379699707
18.6424092171224.7124023438
17.7429822788224.9521942139
17.7807722439225.4637298584
17.6650143909225.6980133057
17.7871038907225.4838562012
17.7694388218225.3796386719
17.752952164225.5636138916
17.8458881112225.4464263916
17.7936961323225.2881317139
17.7566073406225.2018280029
17.8009223476225.3082885742
17.7621594245225.4165344238
17.8397473146225.1613769531
17.783400667224.8163757324
17.8097195511224.6897125244
17.7772903525225.1206817627
17.8118627207224.8991546631
17.8450736178224.3804473877
17.8002603703224.3492584229
17.8314277989224.822845459
17.8326076421224.9909515381
17.8408453477224.3178405762
17.74490941223.909866333
17.7799561301224.0767211914
17.840298333224.4042205811
17.801420998224.3706054688
17.8817086827224.2910308838
17.8025648002224.1427764893
17.9686426584224.0077056885
17.8894418143223.8299102783
17.9163855127223.5431671143
17.8762998421223.3053283691
17.7882030091223.0546875
17.9072424806222.9768371582
17.8194091135222.8769836426
17.7459936072222.8697052002
17.7866588959222.8859863281
17.7802253927222.9456787109
17.7713798732223.0408782959
17.9274686763222.9957885742
17.8827530405223.0561065674
17.8889742914223.0798950195
17.938679599223.2489318848
17.8834292087223.2804870605
17.9187066375223.2724914551
18.00321547223.2957611084
17.9631313082223.36328125
17.8887126413223.4446868896
17.8818627843223.4003753662
17.917664575223.5702362061
17.8948076148223.5924377441
17.945754914223.6906890869
17.9071792006223.6249237061
17.8127140405223.5759124756
17.8627437133223.5606994629
17.7991204012223.5352630615
17.8621903479223.5620727539
38159.9958333331223.4491424561
Flow
C1 Temp
Time
Flow t/h
Temp oC
High throughput trials DCS data
DCS data
densityflow (m3/h)Mass flow (kg/h)quench flowscompartment temps
Root.GRD.09-POX.DI9410.PV.Aggregations.6min.MeanRoot.GRD.04-CIL.FI4715.PV.Aggregations.6min.Mean1.3379Root.GRD.09-POX.FIC9031.PV.Aggregations.6min.MeanRoot.GRD.09-POX.FIC9032.PV.Aggregations.6min.MeanRoot.GRD.09-POX.FIC9033.PV.Aggregations.6min.MeanRoot.GRD.09-POX.FIC9034.PV.Aggregations.6min.MeanRoot.GRD.09-POX.TIC9070.PV.Aggregations.6min.MeanRoot.GRD.09-POX.TIC9071.PV.Aggregations.6min.MeanRoot.GRD.09-POX.TIC9072.PV.Aggregations.6min.Mean
6/21/04 0:0038.074859619133.369056701716.97966232070.59346890457.60048007972.09436893460.6522806287224.9226379395224.7187347412225.237121582
6/21/04 0:0638.0330772433.289840698216.94793028280.59346890457.58223152162.15067076680.5753369331224.9430847168224.7783050537225.2362213135
6/21/04 0:1238.052333831833.191352844216.89236238510.66241639857.58223152162.2033402920.6215141416225.1084442139224.8849945068225.2195587158
6/21/04 0:1838.040111541733.248859405516.91774715190.66420465717.58223152162.2033402920.6754803061225.0176849365224.9071655273225.1132049561
6/21/04 0:2438.031383514433.234367370616.94305522420.59945237647.58223152162.2033402920.6754803061224.9438934326224.8902587891225.0283203125
6/21/04 0:3038.104885101333.390644073517.00671028120.59945237647.58223152162.2033402920.6754803061224.9950561523224.8981323242225.0942077637
6/21/04 0:3638.069034576433.377479553216.9976254910.65585380797.58223152162.2655606270.6754803061225.0674743652225.0457458496225.2505187988
6/21/04 0:4238.063705444333.426124572817.03418979740.78306949147.58223152162.31207489970.7655743361225.069732666224.974319458225.2373199463
6/21/04 0:4838.090072631833.264247894316.93404528880.57852196697.5445499422.31207489970.6659309864224.8897857666224.893951416225.0668182373
6/21/04 0:5438.050411224433.514598846417.05455022880.49266111857.47456979752.31207489970.544716239224.8482818604224.8295898438224.9501037598
6/21/04 1:0038.034927368233.514598846417.04913485220.49266111857.47456979752.31207489970.4533980787224.9708099365224.8738098145224.9543762207
6/21/04 1:0638.022850036633.514598846417.05714331510.57585030797.47456979752.31207489970.5044520497225.0779418945224.9763183594225.0155792236
6/21/04 1:1238.040710449233.514598846417.04979338660.56940859567.47456979752.31207489970.5578266382224.9691162109224.9170074463225.012878418
6/21/04 1:1838.024318695133.514598846417.03552799140.36639174827.47456979752.31207489970.4784834981224.85597229224.8649902344225.0103912354
6/21/04 1:2437.992504119933.514598846417.05548072940.45362073187.46726608282.31207489970.3655236363225.0074005127224.9350891113224.9945678711
6/21/04 1:3038.037002563533.514598846417.04164637490.58006262787.37344026572.31207489970.5076780915225.1544189453225.0354919434225.0139312744
6/21/04 1:3638.00614929233.694599151617.11799249030.78123068817.44080924992.31207489970.7328021526225.219329834225.1684417725225.1372528076
6/21/04 1:4237.972473144534.189601898217.40073272520.75172638897.47620630262.40158939360.7604643106225.0014648438225.1330871582225.2584686279
6/21/04 1:4838.040817260734.189601898217.40896006570.51327824597.47620630262.41405344010.5963664651224.8843383789225.0565338135225.2421417236
6/21/04 1:5438.058803558334.166904449517.39254289170.63600170617.47620630262.41405344010.558319211224.9710540771225.0053863525225.1470947266
6/21/04 2:0038.048171997133.879230499317.24993859490.5756692297.47620630262.41405344010.558319211224.9444885254225.0207366943225.0880584717
6/21/04 2:0638.056632995634.185817718517.42177622270.55118584637.47620630262.41405344010.558319211224.9875640869225.0623931885225.0504760742
6/21/04 2:1238.091037750234.572269439717.63595145510.43198275577.47620630262.45471215250.5258302093224.9130249023225.0507202148225.0560302734
6/21/04 2:1838.128292083734.693866729717.66077171520.42308211337.47620630262.51430797580.4574913383224.9370880127225.0437469482225.1050109863
6/21/04 2:2438.048130035434.693866729717.69325102590.13631840057.47620630262.51430797580.182847783224.7020263672224.9242401123225.1334075928
6/21/04 2:3038.118103027334.693866729717.68472173190.16805955777.47620630262.51885724070.1577022374224.9550018311225.0083007812225.1711730957
6/21/04 2:3638.099727630634.693866729717.67478298850.18675604467.47620630262.61666679380.1691151857224.9267883301225.0191497803225.2501831055
6/21/04 2:4238.078315734934.693866729717.6777311460.02231841537.47620630262.65738630290.0704529136224.8800048828225.0237884521225.2965545654
6/21/04 2:4838.084667205834.693866729717.6703704910.02231841537.47620630262.71707105640.0704529136224.912689209225.0398101807225.2694854736
6/21/04 2:5438.068809509334.693866729717.68354069830.02231841537.47620630262.71707105640.0704529136224.7576141357224.9992370605225.2445068359
6/21/04 3:0038.097183227535.149490356417.90886468870.02231841537.47620630262.78929591180.0704529136224.7543029785224.9345245361225.1593780518
6/21/04 3:0638.082492828436.276756286618.50479543560.02231841537.43827867512.82276606560.0704529136224.6452026367224.8877105713225.0808563232
6/21/04 3:1238.126960754437.303722381619.08523049280.02231841537.56382703782.82276606560.0704529136224.9667358398225.3636627197225.2321472168
6/21/04 3:1838.240325927738.530349731419.74280847810.2152550227.86076068882.95607709880.1941345483225.2124633789226.1003875732225.5297546387
6/21/04 3:2438.298549652140.502777099620.72791905040.40259367238.15314388283.17319774630.3787146807225.1925964355226.4053344727225.941696167
6/21/04 3:3038.251392364540.862209320120.92760937430.24722105268.3566694263.34153461460.2189722359224.8765106201226.1927947998225.9459381104
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