0%

10%

20%

30%

Parameters

HT^*

PSU 2

PSU 2

PSU 2

PSU 2

Initial pH

5.6

5.6

5.6

5.5

5.5

Final pH

5.4

5.3

5.3

5.4

5.4

H₂ (%)

40.8

44.1

42.2

39.5

41.3

N₂ (%)

11.8

5.7

7.7

10.4

6.1

CH₄ (%)

0.00

0.00

0.00

0.00

0.00

CO₂ (%)

47.9

50.2

50.1

50.1

52.6

HY(mLH₂/gCOD)

269

258

201

246

296

Acetic acid (g/L)

5.4

4.8

4.1

3.7

4.4

Butyric acid (g/L)

4.5

4.7

4.5

4.3

3.8

Lactic acid (g/L)

0.2

0.2

0.2

0.19

0.18

Formic acid (g/L)

0.23

0.24

0.20

0.18

0.17

Propionic acid (g/L)

0.69

0.69

0.65

0.60

0.55

Total alkalinity (g/L)

2.8

3.2

2.3

2.7

2.1

TS (g/L)^*

52

35

47

59

33

VS (g/L)^*

22

14

22

29

17

TSU (%)^*

53

53

51

57

60

TCU (%)^*

81

80

78

82

84

COD removal (%)^*

23

23

23

23

23