Proceedings

USE OF PLANT DATA TO PREDICT THE INFLUENCE OF SLUDGE QUALITY ON ANAEROBIC DIGESTION PROCESSING COSTS

Dr William P. Barber, Atkins Water, UK

(free)

This paper analyses the data from 16 full-scale anaerobic digester plants worldwide and investigates the influence of various parameters on digester and downstream dewatering performance characteristics. The plants varied in size from 35,000 to 900,000 population equivalents with loading rates from 0.5 to 2.7 kg VS/m3 d. Biogas yield varied from 221 l/kg VSfed to 551 l/kg VSfed. The average production rate was 881 l/kg VS destroyed, which is lower than literature values of up to 1000 l/kg VS destroyed. In spite of different operating regimes and conditions, various relationships were discovered between: sludge quality and volatile solids destruction; sludge quality and biogas yield and effluent volatile solids and dewatering. Where correlations existed, these were used to make predictions on operating costs of the digestion and dewatering plant based on sensitivity analysis. The results of the model were used to make recommendations on how to optimise the operation of an anaerobic digestion plant.

KEY WORDS Anaerobic digestion; Biogas; Cost analysis; Dewatering; Renewable Energy; Sludge quality.

Please fill in your details to download the proceedings



For more information about how Aqua Enviro
can help you, contact us...

Aqua Enviro Ltd

T: 0113 8730728

E: enquiries@aquaenviro.co.uk


c/o Tidal Accounting, HQ Offices, Radley House, Richardshaw Road, Leeds, West Yorkshire, LS28 6LE

  • By submitting this form, you agree that we may use the data you provide to contact you with information related to your request/submission and other relevant Aqua Enviro services. You can unsubscribe from Aqua Enviro marketing emails at any time by clicking the unsubscribe link in the email. To learn more, see our Privacy Policy