Materials, Journal Year: 2025, Volume and Issue: 18(8), P. 1735 - 1735

Published: April 10, 2025

As cement production causes large amounts of CO2 emissions and is not sustainable, there a growing worldwide interest in developing cleaner construction materials by reducing carbon reusing existing industrial waste. Also, antimicrobially active are gaining attention due to enhancing structural longevity. By preventing microbial growth, these help improve indoor air quality occupant health. Geopolymer mortars/concretes (GPM/GPC) with high mechanical, physical durability properties considered as an eco-friendly alternative ordinary Portland (OPC) mortars/concretes. In this study, the composition, microstructural, mechanical antimicrobial geopolymers produced at different curing temperatures (60, 80, 100 120 °C) were investigated. Low-lime fly ash was used binder sodium silicate hydroxide alkaline solution geopolymer production. Although X-ray fluorescence (XRF) results showed increase geopolymerization products increasing temperature, SEM analysis that crack formation occurs microstructure cured above °C leads decreased properties. The strength performance test for mortars optimum temperature °C, highest compressive (48.41 MPa) reached temperature. A decrease observed cracks occurring higher temperatures. agar diffusion method determine activity GPMs against four bacteria one fungus species. samples subjected thermal formed inhibition zones (38.94–49.24 mm). Furthermore, alkalinity components/mixtures has direct relationship activity. result, superior can be promising building materials, especially applications where hygiene priority structures likely exposed corrosion.

Language: Английский