Producing Superphosphate with Sewage Sludge Ash: Assessment of Phosphorus Availability and Potential Toxic Element Contamination

Producing Superphosphate with Sewage Sludge Ash: Assessment of Phosphorus Availability and Potential Toxic Element Contamination

Recovering and recycling phosphorus (P) from sewage sludge ash (SSA) for the purpose of P fertilizer production contributes to reducing the input of mined phosphate-minerals and closing of the P cycle. However, direct use of SSA as fertilizer is often a questionable strategy due to its low nutrient...

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Bibliographic Details
Main Authors: Yawen You, Jakob Klein, Tobias Edward Hartmann, Peteh Mehdi Nkebiwe, Huaiyu Yang, Wei Zhang, Xinping Chen, Torsten Müller
Format: Article
Language:English
Published: MDPI AG 2021-07-01
Series:Agronomy
Subjects:
nutrient recycling
P availability
sewage sludge ash
potential toxic element
Online Access:https://www.mdpi.com/2073-4395/11/8/1506

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