Period (d)

0-14

15-28

29-42

43-56

57-70

71-84

85-98

99-112

127-140

141-154

155-168

169-182

Temperature (°C)

20

27.5

35

HRT (h)

24

32

40

48

24

32

40

48

24

32

40

48

So COD (mg l-1)

6130.1

6053.6

6427.8

6224.4

6081.1

6211.6

6095.8

6490.7

6236.8

6108.9

6236.9

6204.4

S COD (mg l-1)

3249.5

2684.8

2893.4

2165.7

1974.1

1938.9

1657.5

1886.8

867.3

932.4

894.7

1019.3

OLR (kg m3d-1)

6.1

4.5

3.8

3.1

6.1

4.6

3.6

3.2

6.2

4.6

3.7

3.1

pH (PU)

7.2

7.3

7.4

7.5

7.2

7.3

7.3

7.3

7.2

7.2

7.2

7.2

Alkalinity (CaCO3 mg l-1)

1718.3

1732.7

1752.8

1781.8

1838.7

1858.8

1850.0

1899.0

1968.8

1984.9

2005.0

2035.6

So-S (mg l-1)

2880.6

3368.8

3534.4

4058.7

4107.1

4272.7

4438.3

4603.9

5369.5

5176.5

5342.1

5185.1

Efficiency (%)

47.0

55.6

55.0

65.2

67.5

68.8

72.8

70.9

86.1

84.7

85.6

83.6

Table 2: Experimental data obtained under steady state conditions.