Proceedings

Sewage sludge conversion into P-rich inorganic fertilizer and biocoal: an industrial scale feasibility study: PRESENTATION ONLY

Borchi, C.1, Di Bianca, M.1, Salimbeni, A.1, Rizzo, A.R.1 and Chiaramonti, D.2, 1RE-CORD, Scarperia e San Piero, University of Florence, Italy, 2RE-CORD, Scarperia e San Piero, Italy, 2Polytechnic of Turin, Italy

(free)

INTRODUCTION
➢ THE PRODUCED AMOUNT OF SEWAGE SLUDGE IN EUROPE (EU27) CAN BE ESTIMATED AS APPROXIMATELY 10 MILLION TONNES, DRY SOLIDS 1

➢ IN ITALY, THE MANAGEMENT OF SLUDGE IS ESTIMATED TO IMPACT BETWEEN 15 AND 40% OF THE COSTS OF A WWTP 2

DISPOSAL COSTS (2021) 2
• TRANSPORT: 28 €/TON
• AGRICULTURE: 129 €/TON
• LANDFILL/INCINERATION:  212 €/TON

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