Extraction and purification of phosphorus from the ashes of Incinerated biological sewage sludge

M Baldi, A Martinotti, S Sorlini, IA Katsoyiannis, A Abbà… - Water, 2021 - mdpi.com
Phosphorus depletion represents a significant problem. Ash of incinerated biological
sewage sludge (BSS) contains P, but the presence of heavy metals (eg, Fe and Al) is the …