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Eliminazione dei fluoruri dall’acqua sintetica con vari metodi

Eliminazione dei fluoruri dall’acqua sintetica con vari metodi

Subhashish Dey

85,47 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
Materia
Ciencia, ingeniería y tecnología medioambientales
ISBN:
9786208184391
85,47 €
IVA incluido
Disponible

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L’acqua è una risorsa naturale essenziale per sostenere la vita. L’acqua non è certo gratuita ovunque. I fluoruri presenti nell’acqua potabile possono essere benefici o dannosi a seconda della loro concentrazione e della quantità totale ingerita. Il fluoro è benefico soprattutto per i bambini piccoli per la calcificazione dello smalto dentale al di sotto degli otto anni di età quando è presente entro i limiti consentiti di 1,0-1,5 mg/L. Un eccesso di fluoro nell’acqua potabile causa fluorosi dentale e/o scheletrica. Gli standard indiani per l’acqua potabile raccomandano una concentrazione di fluoruro accettabile di 1,0 mg/L e una concentrazione di fluoruro ammissibile di 1,5mg/L nelle acque potabili. Per rimuovere la concentrazione di fluoruro dal campione contaminato, sono stati preparati in laboratorio campioni di ossido di ferro, nano particelle di idrossido e acqua contaminata da fluoruro. Durante gli agenti atmosferici e la circolazione dell’acqua nelle rocce e nei terreni, il fluoruro può essere lisciviato e dissolto nelle acque sotterranee e nei gas termali. Il contenuto di fluoro nelle acque sotterranee varia notevolmente a seconda del contesto geologico e del tipo di rocce. I minerali più comuni che contengono fluoro sono la fluorite, l’apatite e i micas.

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