The aim of this study was to optimize a leaching process to recover P-leachate with high purity for P fertilizer production. This study investigated P recovery and leaching of Zn, Cu, Pb, As and Ni from ISSA using inorganic acids (sulphuric acid and nitric acid), organic acids (oxalic acid and citric acid), and chelating agents (ethylenediaminetetraacetic acid (EDTA) and ethylene diamine tetramethylene phosphonate (EDTMP)). Phosphorus recovery and leaching of trace elements from incinerated sewage sludge ash ( ISSA).įang, Le Li, Jiang-Shan Guo, Ming Zhi Cheeseman, C R Tsang, Daniel C W Donatello, Shane Poon, Chi SunĬhemical extraction of phosphorus (P) from incinerated sewage sludge ash ( ISSA) is adversely influenced by co-dissolution of metals and metalloids.
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