Aktivkohlewechsel im Bereich Sickerwasserbehandlung

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Delivery of 200,000 kg of reactivated activated carbon as an operating resource for the landfill leachate treatment plant. The plant is designed hydraulically for 500 m³/d and, with regard to loads, for 389 m³/d. The mean value of the plant’s inlet flow over the last three years is 270 m³/d at 1777 mg/L COD, composed of: Landfill leachate: 170 m³/d Condensate from the gas stations: 20 m³/d Concentrate from the groundwater treatment plant (NF + UO): 80 m³/d The wastewater flow after ultrafiltration (before activated carbon adsorption) has the following values: COD: Maximum value: 1076 mg/L, mean value: 679 mg/L AOX: Maximum value: 1.9 mg/L, mean value: 0.82 mg/L In accordance with the city of Hannover drainage authority’s articles of association and permitting regulations, the following effluent limits must be complied with: COD: 400 mg/L AOX: 0.5 mg/L The delivery is carried out by silo vehicle. A transfer container is not provided. Connections are to be adapted to the client’s requirements: Service water connection: Storz B coupling Inlet and outlet for adsorbers: one Storz A coupling each Distance between vehicle and adsorber: approx. 35 m The activated carbon must meet the…

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