Synthesis of Amorphous Silica from Rice Husk Ash: Comparing HCl and CH3COOH Acidification Methods and Various Alkaline Concentrations
Donanta Dhaneswara, Jaka Fajar Fatriansyah, Frans Wensten Situmorang, Alfina Nurul Haqoh
Abstract
High purity silica has been successfully synthesized from rice husk ash (RHA) by alkaline extraction using the reflux process followed by acidification. For this study, rice husk was burned in an electric furnace at 700°C for 5 hours to produce
Topics & Concepts
HuskAmorphous silicaChemistryNuclear chemistryPulp and paper industryEnvironmental chemistryChemical engineeringBotanyBiologyEngineeringRecycling and utilization of industrial and municipal waste in materials production