Abstract
Air purification is a critical process aimed at removing harmful impurities and ensuring a safe and comfortable environment for human life and activity.Overall, rice husk demonstrates significant potential in environmental engineering as a source of valuable materials and a key component of the circular bioeconomy, contributing to pollution reduction and the enhancement of production system sustainability.A carbon–silicon sorbent produced from carbonized rice husk was used to fabricate filters because of its high porosity, large specific surface area, and carbon–silica structure.This paper presents the antibacterial and antifungal efficacy of impregnated carbon-silicon filters. Antibacterial activity was studied on Bacillus paramycoidesandPseudomonaskoreensisstrainsusingthediffusionmethodonasolidnutrientmedium,and antifungal efficacy was studied on strains Fusarium spp. and Penicillium spp. Tests showed that sorbent sampleswithdifferentactiveingredientconcentrationsexhibitedvaryinglevelsofbacterialandfungalgrowth inhibition, with sample No. 2 carbonized rice husk+10%I2demonstrating the highest activity.Optimizing the sorbent composition and increasing the concentration of active components can enhance its antibacterial properties. Thedevelopedsorbentshavehighpotentialforuseinairpurificationsystemswithadditionalprotectionagainst bacterial contamination, making them promisingfor use in areas with increased hygiene and air purity requirements.