Operational experiences and climate benefits from vacuum degassing of digested sludge in Denmark: PRESENTATION ONLY

Dittmann, M.¹, Willoughby, N.², Pedersen, l.³, Knörle, U.¹ and Nielsen, P.H.³, ¹ELIQUO TECHNOLOGIES, Germany, ²ELIQUO HYDROK, UK, ³VandCenter Syd, Denmark

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Methane problem on WWTPS. The problem:
Diffuse climate-damaging methane emissions in the sludge treatment stages downstream digestion from residual biogas in the digested
sludge
→ Approx. 5% of the gas production gets lost and is emitted as a climate-damaging greenhouse-gas.

What is ELOVAC®-P
• Compact Plug & Play-Unit
• System for vacuum degassing of digested sludge
• Energy-positive
• Reduces greenhouse gas emissions
• Optional: integrated controlled phosphate precipitation
– Further operational benefits like improved dewaterability of digested sludge
• Patented