Anaerobic codigestion of waste activated sludge and OFMSW: the experiences of Viareggio and Treviso plants (Italy)
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- D. Bolzonella
- Department of Science and Technology, University of Verona, Strada Le Grazie 15, 37134 Verona, Italy, (E-mail: david.bolzonella@univr.it)
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- P. Battistoni
- Institute of Hydraulics and Transportation Infrastructures, Politechnical University of Marche – via Breccie Bianche, 60131 Ancona, Italy, (E-mail: idrotre@univpm.it)
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- C. Susini
- Sea Acque S.p.a. di Viareggio, Via degli Aceri 20, 55049 Viareggio, Italy
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- F. Cecchi
- Department of Science and Technology, University of Verona, Strada Le Grazie 15, 37134 Verona, Italy, (E-mail: david.bolzonella@univr.it)
書誌事項
- 公開日
- 2006-04-01
- DOI
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- 10.2166/wst.2006.251
- 公開者
- IWA Publishing
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説明
<jats:p>The paper presents the results of two full-scale applications of the anaerobic co-digestion process of waste activated sludge together with the organic fraction of municipal solid wastes. The experiences were carried out at Viareggio and Treviso wastewater treatment plants (Italy). In the first plant, 3 tons per day of source sorted OFMSW were co-digested with waste activated sludge, increasing the organic loading rate from 1.0 to 1.2 kgTVS/m3d. This determined a 50% increase in biogas production. At Treviso WWTP, which has been working for 2 years, some 10 tons per day of separately collected OFMSW are treated using a low-energy consumption sorting line, which allows the removal of 99% and 90% of metals and plastics respectively. In these conditions, the biogas yield increased from 3,500 up to 17,500 m3/month. Industrial costs were evaluated less than 50 € per ton of organic waste, while the payback time was calculated as two years.</jats:p>
収録刊行物
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- Water Science and Technology
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Water Science and Technology 53 (8), 203-211, 2006-04-01
IWA Publishing