Source DAF sludge and biological sludge from food processing wastewater. High-value AD co-substrate. EU volumes 3M+ t/yr. Match with anaerobic digestion operators via SymbioFlows.
~3M t/yr
EU annual generation
Gate credit €0–30/t (AD); cost €20–60/t (landfill)
Typical market range
02 02 03
Primary EWC classification
| # | Route | Buyer Type | Price Range |
|---|---|---|---|
| 1 | Anaerobic digestion co-substrate | AD plant operators | Gate credit €0–30/t |
| Fat-rich DAF sludge (>20% fat) most valuable | |||
| 2 | Agricultural land spreading | Farmers (via broker) | Cost €5–20/t haulage |
| Subject to nitrate vulnerable zone restrictions | |||
| 3 | Thermal drying + SRF | Cement kilns | Cost €40–80/t processing |
| Only viable at large scale with on-site drying | |||
Primary code: 02 02 03
How food sludge fits into a wider valorisation strategy.
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