PL EN
Synthesis and characterization of magnetic nanoparticles coated with citric acid as a coagulant for the Tigris River treatment
 
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Department of Chemical Engineering, College of Engineering, University of Baghdad, Baghdad, Iraq
 
 
Autor do korespondencji
Miqat Hasan Salih   

Department of Chemical Engineering, College of Engineering, University of Baghdad, Baghdad, Iraq
 
 
 
SŁOWA KLUCZOWE
DZIEDZINY
 
STRESZCZENIE
The coagulation and flocculation process using coated magnetic nanoparticles is considered one of the effective technologies for turbidity removal. This study investigates an application of magnetic nanoparticles coated with citric acid in the coagulation and flocculation process on Tigris River water in Baghdad, Iraq. Magnetic nanoparticles (MNP1) were synthesized by the co-precipitation method and coated with citric acid (MNP2). The prepared MNP1 and MNP2 were characterized by XRD, FTIR, AFM, FE-SEM, EDS, and zeta potential analysis. For coagulation process, the effect of different types of coagulants (alum, FeCl3, MNP1, MNP2), coagulant dosage (10 – 110 mg/l), and initial pH (3 – 9) were examined in this work. The best coagulant was MNP2 with zeta potential of -34.04mV. The maximum removal efficiency for MNP2 at optimum dosage of 30 mg/l dosage was 96.72%. This value corresponds to the best value of initial pH of 6.
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