Browsing by Author "Campos Cuellar, Astrid Alejandra"

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    Development of a process for the enhanced phosphorus recovery from the organic matrix of agricultural residues
    (2014) Campos Cuellar, Astrid Alejandra; Hirth, Thomas (Prof. Dr.)
    Phosphorus (P) can be recovered in a sustainable way from agricultural residues (e.g. animal manure, digestate). However, current state of the art technologies can only recover the soluble inorganic P in the liquid fraction after mechanical separation, which can be as low as only 20% of the total P content. In this thesis, enzymatic and chemical processes for the increase of this soluble P content in the liquid fraction were investigated. In addition, a concept for the integrated nutrient recovery from pig manure was proposed.