Abstract
Cement, crucial for construction, poses significant environmental risks due to heavy metal contamination, including lead, cadmium, chromium, nickel, etc. These metals, released during cement production, endanger both human health and ecosystems. An innovative approach involves utilizing microorganisms for bioremediation, converting pollutants into less harmful forms. Microbes develop resistance mechanisms against heavy metals, reducing their concentration and mobility within cement. In this project, various brands and types of cement were collected, and different bacteria were cultured. A comparison was made regarding the mechanical properties, concentration of heavy metals, elemental composition, surface morphology, and particle size of the cement before and after bioremediation using Atomic Absorption Spectroscopy (AAS), Energy Dispersive X-ray Analysis (EDAX), and Scanning Electron Microscopy (SEM), respectively. The results obtained from the tests conducted were compared between the conventional and bacteria-induced cement samples. Implementation of such biotechnological approaches not only addresses environmental concerns but also promotes the development of innovative and sustainable solutions in construction
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