Proceedings

Fermentation of sievings from domestic wastewater for improvement of biological nutrient removal: PRESENTATION ONLY

Oosterhuis, M. Royal HaskoningDHV, the Netherlands

(free)

Project background
• European Framework Directive requires extra P- and N-removal at wwtp’s
• Post filtration with dosing of FeCL3 / methanol
• Expensive
• Increased CO2 footprint
• Alternative solution: Fermentation of cellulose fraction in wastewater
• VFA’s utilised for advanced biological P and N removal
• Lower costs (CAPEX/OPEX)
• Lower CO2 footprint
• Effluent quality comparable to post filtration

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