Table 3 Characteristics of deposits identified at urban scale

Wastewater (typical values)

French

Households

–

TSS: 3.5 g/L (2.1)

0.35%*

–

0.84 g/L (0.34)

–

7.9 (0.4)

–

70 mg/L (22)

12 mg/L (4)

–

[111]

Wastewater

Sneek

Vacuum toilets

7.8 L/cap/day

5 L/cap/day

–

–

9.8 gCOD/L (2.6)

3.4 gCOD/L (0.47)

8.8 (0.22)

8.6

1.90 g/L (0.19)

1.4 g/L (0.2)

0.85

0.22 g/L (0.07)

1.8–2.1 m³ CH₄/m³ blackwater

[31]

7.7 gCOD/L (2.5)

2.3 gCOD/L (0.81)

(0.53)

1.20 g/L (0.18)

g/L (0.2)

0.15 g/L (0.06)

10–13 L CH₄/cap/d

Wastewater

Lübeck

Vacuum toilets

8.3 L/cap/day theoretically

5 L/cap/day collected and characterized

6.53 g/L (2.11)

0.65%*

4.09 g/L (1.83)

62.6%*

8.06 gCOD/L (2.95)

2.44 gCOD/L (0.67)

7.7

1.50 g/L (0.24)

1.11 g/L (0.14)

0.175 g/L

–

[35]

Wastewater

Eva-Lanxmeer

Low-water consuming toilets

15.5 L/cap/day*

90 g/cap/day*

135 g/cap/d*

–

–

–

–

–

–

[49]

Wastewater

Jenfelder Au

Vacuum toilets

12 m³ per day for 2000 residents*

0.57% (0.15)

55.54% TS (6.35)

7.62 gCOD/L (2.99)

–

7.58 (0.17)

1.455 g/L (0.22)

1.09 g/L (0.12)

–

375 L CH₄/kg VS

[42]

Wastewater

Malmö

2 points of collection

285,000 (tons/year)

4%

75% TS

–

–

–

–

–

–

325 L CH₄/kg VS

[47]

Grey water

Sneek

Household

60–70 L/cap/day

–

–

0.425 gCOD/L (0.107)

0.175 gCOD/L (0.049)

7.12

17.2 mg/L (4.7)

–

5.73 mg/L (2.64)

–

[112]

Grey water

Lübeck

Household

57 (6) L/cap/day

4.8 g/cap/day (1.5)

85 mg/L (23)

0.008%*

3.6 g/cap/day (1.1)

62 mg/L (18)

72.9%*

45 g/cap/day (7.0)

0.79 gCOD/L (0.09)

–

–

0.84 g/cap/day (0.2)

14.7 mg/L (3.7)

–

0.4 g/cap/day (0.1)

7.1 mg/L (1.9)

–

[36]

Food waste (typical values)

International

Restaurant, market and household

In Europe, 179 kg/cap/year (2006) and 75 kg/cap/year* from household

22.8% (10.0)

88.2% TS (8.2)

198 gCOD/kg (89)

99 gCOD/kg (157)

5.1 (0.7)

2.8% TS (1.1)

–

0.5% TS (0.3)

460 (88) L CH₄/kg VS

[40]

Food waste

Malmö

18,391 points of collection (including restaurant, market, and household)

18,391 (tons/year)

10–30%

80–100% TS

–

–

–

–

–

–

255–550 L CH₄/kg VS (depending the sources)

[47]

Food waste

Bo01/Fullriggaren

Household with grinder

Expected: 0.48–1.02 kg

DM/household/week collected: 0.20–0.33 kg DM/hh/week

–

–

1.12–1.76 gCOD/L

–

4.92–5.65

16.6–27 mg/L

2.04–5.08 mg/L

–

492–591 L CH4/kg VS

[61]

Food waste

Lübeck

Household with grinder

In Germany, 73 kg/cap/year from households wastes (2005)

0.2 kg/cap/day*

190.5 g/L 19.1%*

13.9 kg/cap/year*

172.37 g/L 90.5%*

12.6 kg/cap/year *

297.21 gCOD/L

21.7 kg/cap/year*

80.33 gCOD/L

–

4.901 g/L

0.4 kg/cap/year*

301 mg/L

521 mg/L

0.04 kg/cap/year*

–

[35]

Food waste

Eva-Lanxmeer

Vegetable and fruit wastes from household

0.5 kg/cap/day*

183 kg/cap/year*

30%*

78% TS*

1.5 g/g TS*

–

–

–

–

–

–

[49]

Green waste

Malmö

–

13,500 (tons/year)

55%

70% TS

–

–

–

–

–

–

162 L CH₄/kg VS (Pot/plant waste)

[47]

Green waste

Jenfelder Au

Public and private areas

Public area: 1.7 kg of lawn cuttings/m²

Private area: 1.0 kg of lawn cuttings/m²

30.59% (13.46)

82.5% TS (7.54)

275.8 gCOD/kg (81.1)

–

5.3 (1.15)

3.1% TS (0.6)

1.98 g/kg (1.18)

–

240 L CH₄/kg VS

[42]

Green waste

Eva-Lanxmeer

Garden area

0.8 kg/m²* and an area of 150 m²

78%*

–

0.4 kgCOD/kg TS

–

–

–

–

–

–

[49]

Greasy water

Malmö

530 points of collection

8000 (tons/year)

2%

92% TS

–

–

–

–

–

–

845–926 L CH₄/kg VS

[47]

Greasy water

Hamburg

Wastewater treatment plant

4 m³ for the district where is located the project

2.32% (0.22)

81.59% TS (11.31)

63.37 gCOD/L (33.58)

–

4.54 (0.32)

567 mg/L (230)

–

–

700 L CH₄/kg VS

[42]