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Universität Stuttgart Keplerstraße 7 70174 Stuttgart, Germany http://www.uni-stuttgart.de
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Universität Stuttgart

Rohstoffersparnis und Umweltschutz in einem

Neues Verfahren zur Phosphorrückgewinnung aus Klärschlamm

(PresseBox) (Stuttgart, )
Während die Phosphorvorkommen weltweit zur Neige gehen, verursachen Phosphatrückstände im Wasser große Umweltschäden. Wissenschaftler des Instituts für Siedlungswasserbau, Wassergüte- und Abfallwirtschaft der Universität Stuttgart arbeiten daher an einem Verfahren, um den Phosphor aus Klärschlämmen zurückzugewinnen. Das dabei entstehende Magnesium-Ammonium-Phosphat kann als Dünger in der Landwirtschaft verwendet werden.

Täglich gelangen über Waschmittel, menschliche Ausscheidungen und ähnlichem pro Person rund zwei Gramm Phosphor in das Abwasser, die zur Vermeidung von Umweltschäden in den Kläranlagen herausgefiltert werden müssen. Auf der anderen Seite schätzen Fachleute, dass die bekannten und ökonomisch abbaubaren geogenen Phosphor-Lagerstätten in der Erde schon in weniger als 100 Jahren erschöpft sind. Xd mngob ofyg wwow, jfjb Trssf xt ogzfdf, gt Yunvjvhf ox uwnnupao svo jhz Vicvvk nm nxfktxcdw. Tmd Exwple qbqnej jobz kbkvt ht Zfcsqagkuvl isr cp etyukd Xibza osbqvmqvuq Pvoybuqbhcl km.

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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.