Assessment of three different approaches for integrating phosphorus recovery from sewage sludge and derived products in existing wastewater treatment plants

G Boniardi, K Close, A Turolla, R Canziani… - Bioresource …, 2024 - Elsevier
Three different technological solutions, namely acidogenic fermentation and chemical
extraction (alkaline or acidic), followed by precipitation with 1% Ca (OH) 2, were investigated …

[HTML][HTML] Development of a multi-objective support tool for optimizing phosphorus recovery from sewage sludge ash: A step towards process feasibility

L Esposito, G Boniardi, M Frigerio, M Guembe… - Journal of Cleaner …, 2024 - Elsevier
Phosphorus (P) recovery from Sewage Sludge Ash (SSA) represents a promising solution to
P supply concerns, with the main application challenge consisting of the poor economic …

[HTML][HTML] Optimizing phosphorus precipitation from acidic sewage sludge ash leachate: Use of Mg-rich mining by-products for enhanced nutrient recovery

G Boniardi, L Esposito, M Pesenti, A Catenacci… - Journal of …, 2024 - Elsevier
Abstract Phosphorus recovery from Sewage Sludge Ashes (SSA) by wet chemical extraction
followed by selective precipitation has gained great attention in recent years, attempting to …

Synergistic resource recoveries of phosphorus and usable water from sewage sludge incineration ash and concrete slurry wastewater

YL Yaphary, JX Wee, SFY Li - Resources, Conservation and Recycling, 2025 - Elsevier
The conventional wet process for P recovery from sewage sludge incineration ash (SSIA)
demands substantial chemicals (eg, acids and alkalis for subsequent P extraction and …