A new method of obtaining potassium magnesium sulfate and magnesium aluminate spinel from synnyrite, a potassium-rich aluminosilicate raw material

Efficient Photocatalytic Degradation of Congo Red Dye Using Facilely Synthesized and Characterized MgAl2O4 Nanoparticles

“…They display exceptional performance in breaking down organic dyes and aiding in hydrogen generation, thanks to their distinct characteristics, such as narrow bandgaps and high catalytic efficiency. − Many techniques have been reported in the literature for producing nanosized spinel structures, which encompass Pechini sol–gel, sol–gel, microemulsion, coprecipitation, combustion, and sonochemical methods. ,− The Pechini sol–gel technique offers precise control over the composition, size, structure, and uniformity of the resulting product. − The spinel compound known as magnesium aluminate, with the chemical formula MgAl 2 O 4 , is frequently encountered. Its versatility has led to growing interest in multiple domains, including microwave dielectrics, refractory materials, humidity sensors, ceramic capacitors, structural materials for fusion reactors, and catalysis . Additionally, magnesium aluminate boasts advantageous properties, such as a high melting point (2135 °C), low density (3.58 g/cm 3 ), remarkable high-temperature strength, and outstanding resistance to chemical corrosion.…”

“…Its versatility has led to growing interest in multiple domains, including microwave dielectrics, refractory materials, humidity sensors, ceramic capacitors, structural materials for fusion reactors, and catalysis. 43 Additionally, magnesium aluminate boasts advantageous properties, such as a high melting point (2135 °C), low density (3.58 g/cm 3 ), remarkable high-temperature strength, and outstanding resistance to chemical corrosion. Various methods have been employed for the production of magnesium aluminate, such as solid-state, spray drying, sol–gel, coprecipitation, and freeze-drying techniques.…”