Recent innovations in fertilization with treated digestate from food waste to recover nutrients for arid agricultural fields
Dawid Skrzypczak,
Krzysztof Trzaska,
Małgorzata Mironiuk
et al.
Abstract:This study aims to explore the development of sustainable fertilizers from waste materials of a biogas plant and a brewery. These wastes, rich in organic carbon and nitrogen, were processed with sulfuric(VI) and phosphoric(V) acid mixture, facilitating the production of free amino acids and achieving waste sanitization. This treatment produced by-products, which extended the range of possible applications. The highest concentration of free amino acids (360 mg/l) was achieved through hydrolyzing with a 40% conc… Show more
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