FIGURE 3
Trial No. 1

FIGURE 3

RAW WATER
Temp.:
16° C
Turbs.:
37
pH:
6.8
DOSAGE (mg/l)
Alum Sample Jar Number
1
2
3
4
5
15
30
50


SETTLING RESULTS
Sample Jar Number
Min.
1
2
3
4
1
42
15
17
18
2
35
8
10
11
3
26
4
6
7
5
21
2.5
4
4.5
10
18
1.5
2
3
MIXING REGIME
RPM
MIN
G
300
0.5
290
90
1.5
86
50
3.0
42
20
15
14
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