data cepietso-pcp (7-11 may 2012)

CePIETSO (PC) - 16-19 Mac 2010

Raw Data obtain from Direct Measurement for Performance Monitoring Activities (Equipment readings, field tests, flow measurement and laboratory test)

Flowrate

pHInfluent Effluent

(L/h) (m3/d) (L/h) (m3/d) Influent

Group 1 47.50 1.140 70.5 1.692 205.3 250.0 6.28 2.34 7.89 10.85 6.21 6.23

Group 2 43.00 1.032 74.00 1.776 160.0 248.0 7.52 2.26 8.25 10.86 6.38 6.29

Group 3 47.70 1.145 72.75 1.746 186.5 249.0 7.63 2.37 8.63 10.91 6.18 6.29

Group 4 19.90 0.48 54.00 1.30 140.1 248.0 7.8 2.27 8.08 11.22 6.46 6.48

Temperature

Influent Coagulation tank

Group 1 25.2 30.5 30.3 29.8 29.6 29.7 31.1 31.1

Group 2 30.4 30.4 30.0 29.5 29.3 29.4 35.8 30.2

Group 3 30.8 30.3 30.2 29.7 29.5 29.6 34.1 30.3

Group 4 30.5 30.3 30.2 29.6 29.4 29.7 35.2 30.2

*Analyzer

COD (mg/L) Chromium Hexavalent (mg/L) Zinc (mg/l Nickel (mg/L)

Influent Secondary Influent Influent Influent

ORP(mV)

*ORP(mV)

Chrome Reduction Tank

Tank 1 (Chrome

Reduction)

Tank 2 (pH Adjustment)

Tank 3 (pH Adjustment)

Coagulation tank

Flocculation tank

Chrome Reduction

Tank

pH Adjustment

Tank 1

pH Adjustment

Tank 2

Flocculation tank

PrimaryClarifier

Final Discharge

Average(true value)

Final Discharge

Final Discharge

Final Discharge

Final Discharge



Group 1 846 5 112 0.01 83 0.37 20.5 0.07

Group 2 904 21 104 0 67 0.56 19.1 0.06

Group 3 944 5 112 0.01 103 0.69 22.7 0.08

Group 4 833 18 80 0.02 73 0.36 19.6 0.07

Average

Group 1

Group 2 8

Group 3

Group 4

Average

Jar Test Group 1

Sample No. 1Initial pH

Initial Cr6+

Adjusted pH 2.0 Volume acid sulphuric 0.1 mL Adjusted ORP 250 Volume sodium metabisulphite 0.3 mL

Adjusted pH 9.0 Volume acid sodium hydroxide 1.4 mL

Polymer Dosing Rate

(mL/min)

Condition for Cr6+ reduction to Cr3+

Optimum pH for Cr3+ precipitate (after jar test Series 1 )

1st Stage



PAC (9%)

Polymer

Height of floc

Cr6+ final

Cr3+ final

% Cr6+ removal

pH

Jar Test Group 4 (Optimum dosage of coagulant and flocculant Removal 2 metal for optimum Ph 10.5) Group 1 Group 2 Group 4Sample 1 2 3 4 5 6Initial pH 2.48 2.46 2.46 2.46 2.46 2.46Zinc initial 93 93 93 93 93 93Ni Initial 16.3 16.3 16.3 16.3 16.3 16.3Turbiditi Initial 1000 1000 1000 1000 1000 1000Adjusted pH 10.5 10.5 10.5 10.5 10.5 10.5 10.5 10.5Actual pH

PAC 9% 0.5 1 1.5 2 2.51 2.5 1Dosage (mg/L) 90 180 270 360 450

Polymer 0.02% 0.5 1 1.5 2 2.51 2.5 1Dosage (mg/L) 90 180 270 360 450

Ph final 8.15 7.75 7.2 6.43 5.94Zinc final 0.03

1.5 mLor

270 mg/L

1.5 mLor

0.6 mg/L

Optimum pH for Cr3+ precipitate (after jar test Series 1 )

Rapid mixing

Slow mixing

Optimum PAC and Polymer dosage (after jar test Series 2)



Nickel 1.1Turbiditi (NTU) 164 103 39 54 81 334% Zn removal 99.97% Nickel removal 93.25Standard B

Zinc 2.0Ni 1.0

Method 3: Based on Std DevSample Influent Mean Std Dev UCL LCL

1 2.39 2.5 0.1 2.6 2.42 2.58 2.5 0.1 2.6 2.43 2.55 2.5 0.1 2.6 2.44 2.52 2.5 0.1 2.6 2.4

Column1Column1

Mean 2.51

0.5 1 1.5 2 2.5 3 3.5 4 4.52.25

2.3

2.35

2.4

2.45

2.5

2.55

2.6

2.65

UCLLCL

Sample Group

pH



Mean 2.5 Standard Erro0.041833001Standard Error 0.0 Median 2.535Median 2.5 Mode #N/AMode #N/A Standard Devi0.083666003Standard Deviation 0.1 Sample Varia 0.007Sample Variance 0.0 Kurtosis 2.414285714Kurtosis 2.4 Skewness -1.50257311Skewness -1.5 Range 0.19Range 0.2 Minimum 2.39Minimum 2.4 Maximum 2.58Maximum 2.6 Sum 10.04Sum 10.0 Count 4Count 4.0 Confidence Le 0.13313128Confidence Level(95.0 0.1

0.5 1 1.5 2 2.5 3 3.5 4 4.52.25

2.3

2.35

2.4

2.45

2.5

2.55

2.6

2.65

UCLLCL

Sample Group

pH



pH

6.88 7.26

6.64 7.62

6.5 7.64

6.86 7.67

PrimaryClarifier

Final Discharge



2nd Stage

pH

Influent

Group 1 47.50 70.5 205.3 250.0 6.28 2.34

Group 2 43.00 74.00 160.0 248.0 7.52 2.26

Group 3 47.70 72.75 186.5 249.0 7.63 2.37

Group 4 19.90 54.00 140.1 248.0 7.8 2.27

pH

Column1

Influent

Mean 39.53 67.81 172.98 248.75 7.31 2.31Standard Error 6.63 4.66 14.37 0.48 0.35 0.03Median 45.25 71.63 173.25 248.50 7.57 2.30Mode #N/A #N/A #N/A 248.00 #N/A #N/AStandard Deviation 13.26 9.32 28.73 0.96 0.69 0.05Sample Variance 175.88 86.89 825.65 0.92 0.48 0.00Kurtosis 3.42 3.50 -2.15 -1.29 3.49 -4.34Skewness -1.85 -1.86 -0.04 0.85 -1.83 0.23Range 27.80 20.00 65.20 2.00 1.52 0.11Minimum 19.90 54.00 140.10 248.00 6.28 2.26Maximum 47.70 74.00 205.30 250.00 7.80 2.37Sum 158.10 271.25 691.90 995.00 29.23 9.24Count 4.00 4.00 4.00 4.00 4.00 4.00Largest(1) 47.70 74.00 205.30 250.00 7.80 2.37Smallest(1) 19.90 54.00 140.10 248.00 6.28 2.26Confidence Level(95.0%) 21.10 14.83 45.72 1.52 1.11 0.09

Mean * Average valueStandard Error * Plus/Minus of the average valueMedian * ModeStandard DeviationSample VarianceKurtosis * PeaknessSkewness * StiffnessRange * Maximum - MinimumMinimumMaximumSumCount * Size of populationLargest(1) * Largest unit in the populationSmallest(1) * Smallest unit in the populationConfidence Level(95.0%) * Reliability

Influent (L/h)

Effluent (L/h)

Chrome Reduction Tank (mV)

Tank 1 (Chrome

Reduction)

Influent (L/h)

Effluent (L/h)

Chrome Reduction Tank (mV)

Tank 1 (Chrome

Reduction)

pH

7.89 10.85 6.21 6.23 6.88 7.26

8.25 10.86 6.38 6.29 6.64 7.62

8.63 10.91 6.18 6.29 6.5 7.64

8.08 11.22 6.46 6.48 6.86 7.67

pH

8.21 10.96 6.31 6.32 6.72 7.550.16 0.09 0.07 0.05 0.09 0.108.17 10.89 6.30 6.29 6.75 7.63#N/A #N/A #N/A 6.29 #N/A #N/A0.31 0.18 0.13 0.11 0.18 0.190.10 0.03 0.02 0.01 0.03 0.040.59 3.52 -4.10 2.97 -3.23 3.780.79 1.87 0.25 1.58 -0.47 -1.930.74 0.37 0.28 0.25 0.38 0.417.89 10.85 6.18 6.23 6.50 7.268.63 11.22 6.46 6.48 6.88 7.67

32.85 43.84 25.23 25.29 26.88 30.194.00 4.00 4.00 4.00 4.00 4.008.63 11.22 6.46 6.48 6.88 7.677.89 10.85 6.18 6.23 6.50 7.260.50 0.28 0.21 0.17 0.29 0.31

* Average value ** if mean = median = mode, standard error = 0.* Plus/Minus of the average value

* Peakness

* Maximum - Minimum

* Size of population* Largest unit in the population* Smallest unit in the population* Reliability

Tank 2 (pH Adjustment

)


)

Coagulation tank

Flocculation tank

PrimaryClarifier

Final Discharge


)


)

Coagulation tank

Flocculation tank

PrimaryClarifier

Final Discharge

Parameter Unit Mean Median

FlowrateInfluent L/h 39.525 6.631035 45.25Effluent L/h 67.8125 4.660757 71.625

ORPChrome Reduction Tank (Portable) mV 172.975 14.36706 173.25Chrome Reduction Tank (Standing) mV 248.75 0.478714 248.5

pH

Influent 7.3075 0.347308 7.575Tank 1 (Chrome Reduction) 2.31 0.026771 2.305

Tank 2 (pH Adjustment) 8.2125 0.157394 8.165Tank 3 (pH Adjustment) 10.96 0.087655 10.885

Coagulation tank 6.3075 0.067253 6.295Flocculation tank 6.3225 0.054371 6.29Primary Clarifier 6.72 0.091287 6.75Final Discharge 7.5475 0.096382 7.63

Standard Error

Mode Kurtosis Skewness Range Minimum Maximum Sum Count

#N/A 13.26207 175.8825 3.416357 -1.847141 27.8 19.9 47.7 158.1 4#N/A 9.321514 86.89063 3.502793 -1.858998 20 54 74 271.25 4#N/A 28.73411 825.6492 -2.147511 -0.041136 65.2 140.1 205.3 691.9 4248 0.957427 0.916667 -1.289256 0.854563 2 248 250 995 4#N/A 0.694616 0.482492 3.486259 -1.834407 1.52 6.28 7.8 29.23 4#N/A 0.053541 0.002867 -4.340995 0.234551 0.11 2.26 2.37 9.24 4#N/A 0.314788 0.099092 0.591557 0.789867 0.74 7.89 8.63 32.85 4#N/A 0.175309 0.030733 3.518624 1.87088 0.37 10.85 11.22 43.84 4#N/A 0.134505 0.018092 -4.09892 0.254271 0.28 6.18 6.46 25.23 46.29 0.108743 0.011825 2.967322 1.579653 0.25 6.23 6.48 25.29 4#N/A 0.182574 0.033333 -3.23088 -0.473232 0.38 6.5 6.88 26.88 4#N/A 0.192765 0.037158 3.780762 -1.931535 0.41 7.26 7.67 30.19 4

Standard Deviation

Sample Variance

Largest(1)

47.7 19.9 21.1029174 54 14.83261

205.3 140.1 45.72238250 248 1.523487.8 6.28 1.105289

2.37 2.26 0.0851968.63 7.89 0.500898

11.22 10.85 0.2789566.46 6.18 0.2140286.48 6.23 0.1730346.88 6.5 0.2905167.67 7.26 0.306732

Smallest(1)

Confidence

Level(95.0%)

Y-axis Mean1 6.3 7.32 7.5 7.33 7.6 7.34 7.8 7.3

Sample Group

0.5 1 1.5 2 2.5 3 3.5 4 4.54.0

5.0

6.0

7.0

8.0

9.0

10.0

pH of Sample

DataUCLLCL

Sample

pH

0.5 1 1.5 2 2.5 3 3.5 4 4.54.0

5.0

6.0

7.0

8.0

9.0

10.0

pH of Sample

DataUCLLCL

Sample

pH

** DOE way of setting UCL and LCLUCL = mean + (standard deviation)*2LCL = mean - (standard deviation)*2

2 sigma Standard Dev UCL1 LCL12 0.7 8.7 5.92 0.7 8.7 5.92 0.7 8.7 5.92 0.7 8.7 5.9

** Other way of setting UCL and LCLUCL = Mean + A*RLCL = Mean - A*R

A = Tabulation of factorA for X chartR = Range

A Range UCL2 LCL20.73 1.5 8.41 6.190.73 1.5 8.41 6.190.73 1.5 8.41 6.190.73 1.5 8.41 6.19

0.5 1 1.5 2 2.5 3 3.5 4 4.54.0

5.0

6.0

7.0

8.0

9.0

10.0

pH of Sample

DataUCLLCL

Sample

pH

0.5 1 1.5 2 2.5 3 3.5 4 4.54.0

5.0

6.0

7.0

8.0

9.0

10.0

pH of Sample

DataUCLLCL

Sample

pH

data cepietso-pcp (7-11 may 2012)

Documents

raw data obtain

performance monitoring activities

chrome reduction tank

chrome reduction

flow measurement

laboratory test

direct measurement

setting ucl