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Marmor-/Granit-Verbundwerkstoff

Marmor-/Granit-Verbundwerkstoff

Adel Ali Mohamed

36,74 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Química
ISBN:
9786209248726
36,74 €
IVA incluido
Disponible
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Die Verunreinigung von Wasser mit Schwermetallen hat sich zu einem bedeutenden Umweltproblem entwickelt, das ernsthafte Risiken für die öffentliche Gesundheit und die Wirtschaft birgt. In dieser Studie wurde eine Mischung aus Granit- und Marmorpulver aus Ägypten im Verhältnis 2:1 (Gewichtsverhältnis) gemischt und als Adsorbens zur Entfernung von Blei und Cadmium aus wässriger Lösung verwendet. Das hergestellte Adsorbens wurde mithilfe verschiedener Techniken charakterisiert, darunter Röntgenbeugungsanalyse (XRD), Feldemissions-Rasterelektronenmikroskopie (REM, EDX), Fourier-Transformations-Infrarotspektroskopie (FTIR) und Oberflächenanalyse. Maximal 99,48 % bzw. 99,80 % der Pb²⁺- und Cd²⁺-Ionen wurden vom Adsorbens adsorbiert. Die Ergebnisse zeigten, dass die Adsorption von Pb²⁺ und Cd²⁺ gut mit der Langmuir-Adsorptionsisotherme übereinstimmt, während die kinetischen Studien ein Modell zweiter Ordnung ergaben. Die optimalen Parameter für die maximale Entfernung von Pb²⁺ und Cd²⁺ wurden auf eine reale Wasserprobe aus der Abwasseranlage eines Kima-Werks angewendet, wobei eine hohe Adsorptionseffizienz erzielt wurde.

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