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Table 2 The average daily light integral (DLI), average temperature (T) °C, day- (DT) and night temperatures (NT) at five experiments executed from May to September

From: Biomass production and removal of ammonium and phosphate by Chlorella sp. in sludge liquor at natural light and different levels of temperature control

Exp. (month)

1 (May)

2 (June)

3 (July)

4 (July)

5 (September)

DLI

(mol day−1m−2)

9 ± 4.5

22 ± 4.9

10 ± 4.1

12 ± 9.2

13 ± 3.6

 

ΔT

DT

NT

ΔT

DT

NT

ΔT

DT

NT

ΔT

DT

NT

ΔT

DT

NT

NTC

17.7

(±6.5)

20.9

(±5.9)

12.1

(±4.3)

22.6

(±8.2)

29.6

(±4.6)

15.3

(±3.2)

23.9

(±5.9)

27.4

(±3.4)

19.5

(±1.7)

24.9

(±6.5)

28.2

(±6.6)

20.0

(±1.5)

21.1

(±5.1)

25. 1

(±3.7)

17.3

(±1.4)

PTC

16.7

(±2.8)

17.7

(±2.8)

15.5

(±2.4)

23.4

(±4.5)

23.0

(±7.6)

17.7

(±2.0)

23.0

(±2.2)

23.8

(±2.3)

21.9

(±1.5)

24.5

(±3.0)

25. 5

(±3.7)

22.9

(±1.2)

22.2

(±2.4)

23.2

(±1.4)

21.0

(±.7)

FTC

24.2

(±1.1)

24.7

(±0.8)

23.2

(±0.64)

24.9

(±0.6)

24.9

(±0.7)

25.0

(±0.2)

24.0

(±2.5)

24.0

(±0.6)

23.9

(±0.4)

23.7

(±1.7)

24.2

(±1.2)

23.2

(±1.4)

25.2

(±0.5)

25.2

(±0.9)

25.2

(±0.1)

LN

18.8

(±7.3)

24.7

(±0.8)

12.1

(±4.3)

20.6

(±5.9)

24.9

(±0.3)

15.3

(±1.3)