Navarro-González M1, Ortega-López V2, Lópéz-Fernández JI1, Amo-Salas M3, González-Carcedo S1.
Environ Technol. 2016 Nov 24:1-9. [Epub ahead of print]Land application is one of the important disposal alternatives for sewage sludge, but availability of potential toxic metals often restricts its uses. Three phosphorous-based salts (Na2H2P2O7, K4P2O7, KH2PO4) were studied as potential metal extractants. The conclusions of the research were that greater extractive efficiency is achieved through a 30-min process of vertical shaking with disodium diacid pyrophosphate - Na2H2P2O7 - at a concentration of 0. Read More