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Kompozyt marmuru/granitu

Kompozyt marmuru/granitu

Adel Ali Mohamed

36,68 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Química
ISBN:
9786209223143
36,68 €
IVA incluido
Disponible

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Zanieczyszczenie wody metalami ciężkimi stało się poważnym problemem środowiskowym, stwarzającym poważne zagrożenia dla zdrowia publicznego i gospodarki. W niniejszym badaniu mieszaninę proszku granitowego i marmurowego z Egiptu zmieszano w proporcji wagowej (2:1) i wykorzystano jako adsorbent do usuwania ołowiu i kadmu z roztworu wodnego. Przygotowany adsorbent scharakteryzowano za pomocą różnych technik, takich jak analiza dyfrakcji rentgenowskiej (XRD), skaningowa mikroskopia elektronowa z emisją polową (SEM, EDX), spektroskopia w podczerwieni z transformacją Fouriera (FTIR) oraz pomiar powierzchni właściwej. Adsorbent zaadsorbował maksymalnie 99,48% Pb2+ i 99,80% Cd2+. Wyniki wykazały, że adsorpcja Pb2+ i Cd2+ dobrze odpowiada izotermie adsorpcji Langmuira, podczas gdy badania kinetyczne wykazały zgodność z modelem drugiego rzędu. Optymalne parametry maksymalnego usuwania Pb2+ i Cd2+ na adsorbentach zastosowano do rzeczywistej próbki wody z laboratorium fabryki Kima, co wykazało wysoką skuteczność adsorpcji.

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