Abstract
Water pollution due to waste, especially textile waste methylene blue (MB), continues to increase every year and needs to be handled seriously to avoid adverse effects on the environment. In this study, pure clay was mixed with biosilica extracted from rice husk waste using the sol-gel method. The MB degradation process was carried out without the help of UV lamps and stirring in order to determine the performance of photocatalysts if implemented in the environment. Monitoring results using the IoT system in real-time during 12 hours of observation, it was found that 1 g clay/biosilica was able to degrade 100 mL of MB solution (40mg/L) by 98.98 % at 29 ⁰C and pH 7.9. This result is a consequence of the decrease in crystallite size, narrowing , and suitable bandgap energy, which ensures that the degradation process, in this case, adsorption and photocatalyst, runs efficiently. Thus, based on the findings of this research, clay/biosilica is a potential catalyst in degrading MB waste.
Published Version
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