Treatment and parameter

DO (mg/L)

pH

Volume (L)

Thermotolerant coliform

(106 CFU/100 mL)

Sulfite reducing bacteria

(104 CFU/100 mL)

Value

Value

Value

Value

% RE

Value

% RE

Wastewater

Average

1.04a

6.91a

120a

1.17a

4.82a

Max

1.36

7.03

120

1.42

8.13

Min

0.82

6.75

120

1.00

1.45

Planted bed (PB)

Average

2.31b

7.11b

98.4b

0.04b

97.41a

0.74b

87.50a

Max

2.84

7.24

107.3

0.08

98.79

1.22

91.35

Min

2.03

7.04

90.3

0.02

94.93

0.24

80.13

Unplanted bed (UB)

Average

1.90c

7.00a

107.9c

0.10c

92.21b

0.83c

84.56b

Max

2.06

7.19

113.8

0.13

96.57

1.28

87.87

Min

1.65

6.83

101.5

0.04

89.64

0.30

76.88