Magnesium Titanate Nanoparticles from Dolomite: Cost-Effective Synthesis and Characterization

Abstract

The production of MgTiO₃ regular nanoparticles through the reaction of MgSO₄ extracted from dolomite with TiO₂ has been successfully achieved. In this process, the extraction of MgSO4 from dolomite using H₂SO₄ precedes the synthesis of MgTiO₃ nanoparticles. To ensure the highest purity of the final product, crucial parameters such as starting materials ratio and calcination temperature were meticulously explored. Through systematic experimentation, the optimal conditions for synthesis were determined to be a 1:1.5 ratio of TiO₂ to MgSO₄, coupled with a calcination temperature of 300 °C. This careful optimization strategy yielded MgTiO3 nanoparticles with remarkable regular nanostructures, as evidenced by structural investigations using transmission electron microscopy (TEM). One of the notable advantages of this approach is its energy and cost efficiency. The synthesis process occurs at a relatively low temperature of 300 °C, which not only conserves energy but also suggests its potential applicability in industrial settings. Additionally, the process results in the production of K₂SO₄ as a byproduct, contributing to cost reduction in manufacturing. In conclusion, this study presents a promising method for producing high-quality MgTiO₃ nanoparticles with regular nanostructures through a sequence of controlled reactions. The potential industrial viability, low-temperature synthesis, and byproduct generation further highlight the practical significance of this approach in advancing nanomaterial synthesis and contributing to economic efficiency.