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  1. Article

    Open Access

    Enhancing Phosphorus Fertilizer Value of Sewage Sludge Ashes and Biochars Through Chemical Pre-treatments and Application Methods

    This study aimed to improve the phosphorus (P) fertilizer value of sewage sludge ashes and biochars through different pre-treatments and application methods.

    Clara Kopp, Pietro Sica, Annika Grubbe Eising… in Waste and Biomass Valorization (2024)

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