Today, environmental pollutants pose a threat to human societies and all living organisms, which is why they have attracted the attention of environmental researchers. In this study, dye adsorption from aqueous media with CSNP-SiO2 Nanocomposite was investigated. The effects of different variables such as adsorbent dosage, pH, and temperature were studied. The results obtained showed that the adsorption of Methylene blue is dependent on adsorbent dosage, pH, and temperature. It was noted that the adsorption of all the dyes on CSNP-SiO2 Nanocomposite decreases with an increase in the dosages, pH, and temperature. The adsorption isotherms at different temperatures were found to be of L-type. The optimum adsorbent dosage, pH, and temperature were found to be 3g/L, pH 6.4, and 60ºC, respectively. Adsorption equilibrium data of aqueous solutions were analyzed using Langmuir and Freundlich isotherms. The isotherm data could be well described by the Freundlich and Langmuir equations in the concentration range of 20-100 mg/l. An alkaline pH was favorable for the adsorption of dyes. Based on the adsorption capacity, it was shown that CSNP-SiO2 Nanocomposite was a more effective removal dye solution.
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