Abstract
Arsenic contamination causes a major risk to human health and natural ecosystem. Adsorption is typically used method for removal of heavy metal since of easy handling, high efficiency and less cost. Iron oxide nanoparticle was more prominent for heavy metals removal from aqueous solution because of their size, high surface area, and magnetic in nature. Therefore, in current paper, modification of iron oxide nanoparticles with rice husk (RH + Iron oxide) was confirmed by FTIR, XRD and SEM and also conduct batch adsorption experiments for arsenic removal from synthetic solution. Removal of Arsenic was achieved 95% with 2.5 g/L, 10 ppm and 30 °C of adsorbent dose, initial concentration and temperature of RH + Iron oxide. Freundlich adsorption isotherm was same layer of 82 mg/g which has highest capacity than other adsorbent. The regression coefficient of pseudo second order in kinetic study was found 0.96. The result in present work provides significant insights on promising adsorbent for arsenic removal.
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