Skip to main content

Table 3 Characteristics of deposits identified at urban scale

From: Anaerobic digestion and integration at urban scale: feedback and comparative case study

Deposits Area Collected from Quantity TS VS CODt CODs pH TN NH4-N TP Methanogenic potential Ref.
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]
  1. *Estimated values; (s.d); min-max