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Table 4.1 Analysis results of raw water from intake
Date
Parameters
Temperature (Co
) pH
Turbidity
(ppm) D.O. (mg/l)
Alkalinity
(mg/l)
Hardness
(mg/l)
Total
Solids(mg/l)
MTDT test
10/7/2012 25.00 8 72 8.6 85 70 215
Positive
15/08/2012 26 7.9 64 9.2 95 82 110
12/9/2012 26.5 8.1 86 8.4 102 180 155
16/10/2012 25 7.9 52 8.6 115 150 170
18/11/2012 24 8.2 9 8.2 105 110 206
2/12/2012 25 7.9 7.5 9.8 80 95 175
21/12/2012 24.5 7.8 6 8.7 72 95 235
7/1/2013 24 8.1 5.4 9.2 80 80 205
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Table 4.2 Analysis results of raw water from Aerator
Date
Parameters
Temperature (Co) pHTurbidity
(ppm)
D.O. (mg/l)Alkalinity
(mg/l)
Hardness
(mg/l)
Total Solids
(mg/l)10/7/2012 25.50 5.9 59 8.9 115 30 140
15/08/2012 26.5 7.8 48 9.6 100 65 90
12/9/2012 27 8 59 8.6 110 90 115
16/10/2012 26 7.5 35 8.7 95 80 130
18/11/2012 24.5 8.1 6 8.4 120 120 150
2/12/2012 25.5 7.85 5 10.2 95 60 120
21/12/2012 25 7.85 4 8.9 90 50 170
7/1/2013 24.5 8 3.6 9.5 105 65 160
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Table 4.3 Analysis results of raw water from Rapid Sand
Filter
Date
Parameters
Temperature (Co) pH Turbidity(ppm) D.O. (mg/l) Alkalinity(mg/l)
Hardness(mg/l) Total Solids(mg/l)
10/7/2012 25.50 6.2 1.3 7.6 65 30 90
15/08/2012 26.5 7.4 5.5 8.4 72 45 60
12/9/2012 27 7.5 5.2 7.8 80 75 40
16/10/2012 26 7.8 4.3 8 68 70 85
18/11/2012 24.5 7.5 4 7.8 75 70 105
2/12/2012 25.5 7.25 3 8.8 75 55 70
21/12/2012 25 7.15 1.5 7.5 63 45 120
7/1/2013 24.5 6.6 1.5 7.8 70 55 110
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Table 4.4 Analysis Results of treated water
Date
Parameters
Temperature(Co)
pH Turbidity(ppm)
D.O.(mg/l)
Alkalinity(mg/l)
Hardness(mg/l)
Total
Solids
(mg/l)
Residual
Chlorine
(mg/l)
MTDT test
10/7/2012 25.50 6.5 1 7.5 80 60 110 0.42
Negative
15/08/2012 26.5 7.2 4 7.3 94 60 80 0.5
12/9/2012 27 7.3 3.6 7.6 87 90 50 0.35
16/10/2012 26 7.3 2 7.5 77 90 95 0.3
18/11/2012 24.5 7.1 3 7.9 90 95 115 0.4
2/12/2012 25.5 7.1 3 7.1 95 75 85 0.4
21/12/2012 25 6.9 1 7.4 78 70 125 0.57/1/2013 24.5 6.9 1 85 75
125 0.45
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Fig. 4.1 Variation in temperature (0C) of water
22.50
23.00
23.50
24.00
24.50
25.00
25.50
26.00
26.50
27.00
27.50
10/7/201215/08/201212/9/201216/10/201218/11/20122/12/201221/12/2012
7/1/2013
Temperature of Raw water
Temperature of Treated Water
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Fig. 4.2 Variation of pH of water from different units of
WTP
0
1
2
3
4
5
6
7
8
9
10/7/2012 15/08/2012 12/9/2012 16/10/2012 18/11/2012 2/12/2012
21/12/2012 7/1/2013
pH of raw water
pH of Water from RSP
pH Of Clear Water
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Fig. 4.3 Variation in Turbidity in water from different units of
WTP
0
10
20
30
40
50
60
70
80
90
100
10/7/201215/08/2012
12/9/201216/10/201218/11/20122/12/201221/12/2012 7/1/2013
Turbidity (NTU)in raw water
Turbidity in water from aerator
Turbidity in water from RSPTurbidity in Clear water
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Fig. 4.4 Variation in Dissolved oxygen in water from different
units of WTP
0
2
4
6
8
10
12
10/7/2012 15/08/2012 12/9/2012 16/10/2012 18/11/2012 2/12/2012
21/12/2012 7/1/2013
DO in raw water
DO in water from aerator
DO in water from RSP
DO in clear water
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Fig. 4.5 Variation in Alkalinity in water from different units
of WTP
0
20
40
60
80
100
120
140
10/7/201215/08/201212/9/201216/10/201218/11/20122/12/201221/12/2012
7/1/2013
Alkanity in raw water
Alkanity in water from aerator
Alkanity in water from RSP
Alkanity in clear water
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Fig. 4.6 Variation in Hardness in water from different units of
WTP
0
20
40
60
80
100
120
140
160
180
200
10/7/201215/08/2012 12/9/201216/10/201218/11/20122/12/2012
21/12/2012 7/1/2013
Hardness in raw water
Hardness in water from aerator
Hardness in water from RSP
Hard in clear water
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Fig. 4.7 Variation in Total Solids in water from different units
of WTP
0
50
100
150
200
250
10/7/2012 15/08/2012 12/9/2012 16/10/2012 18/11/2012 2/12/2012
21/12/2012 7/1/2013
Total solids in raw water
Total solids in water from aerator
Total solids in water from RSP
total solids in clear water
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Fig. 4.8 Variation in Residual chlorine in treated water
0
0.1
0.2
0.3
0.4
0.5
0.6
Residual chlorine
Residual chlorine
