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Table 2 Operation status of biogasification facilities

From: Biogas potential and methanogenic community shift in in-situ anaerobic sewage sludge digestion with food waste leachate additions

Seasonsa

SDb

CDc

VS (%)

DREd of VS (%)

COD (mg/L)

DRE of CODcr (%)

VS (%)

DRE of VS (%)

COD (mg/L)

DRE of CODcr (%)

WIN-in

1.28

42.56

14,108

35.90

5.40

62.81

45,963

52.62

WIN-out

0.74

9044

2.01

21,777

SPR-in

2.78

44.32

49,488

78.72

5.49

62.08

70,116

66.22

SPR-out

1.55

10,532

2.08

23,685

SUM-in

1.87

17.11

27,638

18.18

5.73

71.86

57,629

55.39

SUM-out

1.55

22,613

1.61

25,708

AUT-in

2.34

50.85

41,205

26.71

4.19

54.93

53,876

59.21

AUT-out

1.15

30,200

1.89

21,974

Average-in

2.07

38.71

33,110

39.88

5.21

62.92

56,896

58.36

Average-out

1.25

18,097

1.90

23,286

  1. aWIN: Winter, SPR: Spring, SUM: Summer, AUT: Autumn
  2. bSD: Anaerobic digestion facility treating sewage sludge only
  3. cCD: Combined anaerobic digestion facility treating sewage sludge and food waste (leachate)
  4. dDRE: Degradation efficiency of anaerobic digester