Open AccessSynthesis & Characterization of Magnetit (Fe3O4) and Its Applications As Adsorbent Methylene Blue
Author(s) -
Retno Agnestisia
Publication year - 2017
Publication title -
jurnal ilmiah berkala sains dan terapan kimia/jurnal ilmiah berkala sains dan terapan kimia
Language(s) - English
Resource type - Journals
eISSN - 2549-8215
pISSN - 1411-1616
DOI - 10.20527/jstk.v11i2.4039
Subject(s) - coprecipitation , adsorption , magnetite , methylene blue , fourier transform infrared spectroscopy , langmuir adsorption model , aqueous solution , superparamagnetism , chemistry , materials science , nuclear chemistry , chemical engineering , inorganic chemistry , organic chemistry , metallurgy , catalysis , photocatalysis , magnetic field , magnetization , physics , quantum mechanics , engineering
Synthesis, characterization and adsorption study of magnetite have beenconducted. Magnetite was synthesized by coprecipitation method. The characterizations of magnetite were carried out with spectroscopy FTIR (Fourier Transform Infrared) and XRD (X-ray diffraction). The adsorption study was conducted using a batch system with the studied adsorption study including optimum pH, optimum contact time and adsorption equilibrium. The results showed that coprecipitation method has succeeded to form magnetite that has magnetism properties. Magnetite can adsorbed methylene blue from aqueous phase, with the maximum adsorption at pH 5 and contact time of 90 minutes.Adsorption of methylene blue by magnetite follows the adsorption pattern of the Langmuir isotherm with the adsorption energy of 25.59 kJ/mol and adsorption capacity of 43.86 mg/g. The results of magnetite synthesis can accelerate the process of separating the adsorbent particles in a methylene blue solution using an external magnetic field.Keywords : magnetite, coprecipitation, adsorption, and methylene blue.