Biosynthesis of Nanozeolite Impetus and Their Solicitation in Friedel-Crafts Alkylation and Acylation Reaction

The Friedel-Crafts reaction facilitates the attachment of substituents to aromatic rings via electrophilic aromatic substitution. Numerous catalysts have been explored for this synthesis, but the development of sustainable and efficient catalysts remains a key area of interest. Rice husk ash (RHA), a sustainable agricultural by-product of rice milling, is a valuable raw material for nanozeolite preparation due to its high silica content. Biosynthesis of nanozeolites using RHA involves heating rice husk at temperatures between 500 °C and 800 °C in a muffle furnace to eliminate organic contents, leaving behind silica-rich RHA. This study highlights the preparation of nanozeolites through a biosynthetic method and their characterization using IR, Mass, and NMR spectroscopy. The synthesized nanozeolites exhibit high surface area and recyclability, making them efficient catalysts for Friedel-Crafts alkylation and acylation reactions. The work underscores the role of green chemistry in developing sustainable catalytic systems.