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Buhani

University of Lampung, Indonesia

Title: Synthesis of algae-silica hybrid material from Nitzschia sp. biomass through silica coating tehnique with magnetite nanoparticles as Pb(II) ion adsorbent in solution

Biography

Biography: Buhani

Abstract

Synthesis of algae-silica hybrid material from Nitzschia sp. biomass was performed through sol-gel and silica coating with magnetite nanoparticles (MNPs).  The material produced of  algae-silica hybrid from Nitzschia sp. algae biomass covered with magnetite nanoparticles (AS-MNPs) was characterized by infrared (IR) spectroscopy to identify the functional groups existed in this material, X-ray diffraction (XRD) to analyze the structure of the material, and scanning electron microscope (SEM) to investigate the surface morphology of the material.  Adsorption process on AS-MNPs to Pb(II) ion was carried out by batch method.  Adsorption data obtained show that AS-MNPs is able to adsorb Pb(II) ion up to 97% at pH 5 with contact time of 30 minute at temperature of  27 oC.