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Development of a process for the enhanced phosphorus recovery from the organic matrix of agricultural residues

: Campos Cuellar, Astrid Alejandra

Fulltext urn:nbn:de:0011-n-3073859 (8.5 MByte PDF)
MD5 Fingerprint: 8377b2414b9aedfdfa7cf1d1a3d87997
Created on: 25.09.2015


Stuttgart: Fraunhofer Verlag, 2014, VII, 152 pp.
Zugl.: Stuttgart, Univ., Diss., 2014
Berichte aus Forschung und Entwicklung, 63
ISBN: 3-8396-0781-7
ISBN: 978-3-8396-0781-7
Dissertation, Electronic Publication
Fraunhofer IGB ()
Wissenschaftler; Nährstoffrecycling; Biogasanlage; Landwirtschaft

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.