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Table 1

Apparent color (HU) and turbidity (NTU) for the samples collected (n=3) in the treatability test in jar tests for three PACl dosages

SamplesPACl dosage (mg Al3+ L−1)
2.11
2.20
2.29
Apparent color (HU)Turbidity (NTU)Apparent color (HU)Turbidity (NTU)Apparent color (HU)Turbidity (NTU)
Study water 66.7±2.9 118.3±6.1 67.4±1.9 114.3±7.2 66.9±2.4 113.3±11.1 
Clarified water 2.6±0.6 1.4±0.4 3.3±0.8 1.4±0.2 2.7±0.2 1.6±0.1 
Filtered water
(after 10 min) 
1.5±1.4 0.3±0.1 1.7±0.3 0.2±0.1 2.1±0.6 0.4±0.2 
Filtered water
(after 20 min) 
2.1±0.7 0.2±0.1 1.8±0.1 0.2±0.1 1.8±0.1 0.3±0.2 
FBW 4.2±3.8 4.1±3.0 7.5±2.6 6.2±0.8 9.0±4.5 5.2±2.5 
SamplesPACl dosage (mg Al3+ L−1)
2.11
2.20
2.29
Apparent color (HU)Turbidity (NTU)Apparent color (HU)Turbidity (NTU)Apparent color (HU)Turbidity (NTU)
Study water 66.7±2.9 118.3±6.1 67.4±1.9 114.3±7.2 66.9±2.4 113.3±11.1 
Clarified water 2.6±0.6 1.4±0.4 3.3±0.8 1.4±0.2 2.7±0.2 1.6±0.1 
Filtered water
(after 10 min) 
1.5±1.4 0.3±0.1 1.7±0.3 0.2±0.1 2.1±0.6 0.4±0.2 
Filtered water
(after 20 min) 
2.1±0.7 0.2±0.1 1.8±0.1 0.2±0.1 1.8±0.1 0.3±0.2 
FBW 4.2±3.8 4.1±3.0 7.5±2.6 6.2±0.8 9.0±4.5 5.2±2.5 
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