Eco-friendly and facile synthesis of size-controlled spherical silica particles from rice husk
Seongseop Kim, Ji Yeon Park, Yang Gu, Il-Seop Jang, Hayoung Park, Kyeong Keun Oh, Jin Hyung Lee, Jinyoung Chun
Abstract
. Our results indicate that the preparation of silicate solution under appropriate conditions and the use of polyethylene glycol (PEG) additives during the precipitation step are important for obtaining spherical silica. Moreover, by adjusting the temperature in the precipitation step, the size of the spherical silica particles can be controlled in the range of ∼250 nm to ∼1.4 μm. Our study contributes to the development of rice husk-derived silica that can be applied to practical industrial applications.
Topics & Concepts
HuskEnvironmentally friendlyMaterials scienceParticle sizeChemical engineeringPulp and paper industryEnvironmental scienceBiologyBotanyEngineeringEcologyMesoporous Materials and CatalysisClay minerals and soil interactionsLayered Double Hydroxides Synthesis and Applications