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Anwendung Löslichkeit von Salzen

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Inhalt: Erläuterung der Rolle von Phosphat (PO₄³⁻) in Abwasser und die umweltbezogenen Herausforderungen. Erklärung, wie Fe³⁺ genutzt wird, um schwer lösliches Eisenphosphat zu bilden. Bezug zur Verwendung des abgeschiedenen Eisenphosphats als Dünger im Wirtschaftskreislauf. Quelle: „Riedel, Anorganische Chemie, 3. Auflage“.

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Institution: Secondary school
Study: Gesamtschule
Course: Chemie
School year: 1

All documents for this subject (10)

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Uploaded on: January 18, 2025
Number of pages: 1
Written in: 2024/2025
Type: Class notes
Professor(s): Moch
Contains: 10 bis 13

Subjects

chemie
löslichkeit
salze

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Anwendung Löslichkeit von Salzen
In Abwasser befinden sich große Mengen an
Phosphat (PO43-). Dieses Phosphat darf nicht in die
Flüsse gelangen, da diese sonst eutrophieren.
Daher wird dem Abwasser Fe3+ zugesetzt. Dieses
bildet mit dem Phosphat schwer lösliches
Eisenphosphat. Dieses wird dann als Dünger auf die
Felder aufgetragen (Wirtschaftskreislauf).

Quelle: Riedel, anorganische Chemie, 3. Auflage

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