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Table 8 Results of inventory and biogas potential of substrates; values rounded for modelling [18, 19]

From: Biogas and nutrients from blackwater, lawn cuttings and grease trap residues—experiments for Hamburg’s Jenfelder Au district

Bioresource

Bio-resource potential

Biogas potential

Biogas potential

Methane

Bulk density

DM

oDM

Nitrogen

Phosphorous

t FM/a

l/kg FM

l/kg oDM

%

kg/m3

%

% DM

% DM

%DM

Blackwater

5000a

2

500

75

1000

0.5

65

28.0

2.7

Greasy water

1500b

13

1000

70

1000

2

85

2.5

0.5

7830c

Lawn cuttings

21,000d

96

400

60

300

30

80

3.0

0.5

Lawn juice

8400d

18

500

70

1000

5

70

4.0

2.0

  1. aJenfelder Au
  2. bWhole Wandsbek
  3. cWhole Hamburg
  4. d5 km surrounding within Wandsbek