article · Desalination and Water Treatment
This research evaluates a new activated carbon adsorbent produced from the roots of Saponaria officinalis to eliminate methylene blue and methyl red dyes from water. The material was synthesised under defined conditions, incorporating chemical activation agents, specific impregnation durations, and controlled activation temperatures. Laboratory evaluations showed that the material performs effectively, with the Langmuir isotherm and pseudo-second-order kinetic models matching the experimental measurements closely. The adsorbent achieved iodine adsorption capacities between 336.42 and 1250.09 mg/g. Under test conditions, the material successfully removed over 95 percent of methylene blue and more than 75 percent of methyl red dye within specified time periods, demonstrating its capability for treating dye-contaminated effluents.
Industrial effluents frequently carry synthetic dyes that harm ecosystems and complicate water reuse. Developing effective adsorbents from plant roots offers an approach to water purification. Demonstrating high dye capture rates and substantial iodine capacity shows that natural plant waste or residues can be converted into functional materials for environmental remediation.
The material shows potential for wastewater treatment applications, particularly in treating industrial effluents containing synthetic dyes. Industrial wastewater operators and environmental treatment facilities could eventually use such adsorbents. Because the findings reflect early-stage laboratory optimisation, kinetics, and isotherm testing, further pilot-scale trials and process scaling would be necessary before real-world deployment.
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This study focuses on the optimization, kinetics, and isotherms of a novel adsorbent derived from Saponaria Officinalis root for efficient removal of methylene blue and methyl red dyes. The preparation of the activated carbon involved specific parameters such as activating agents, impregnation time, and activation temperature. Results indicated a robust adsorption capacity, with the Langmuir isotherm model fitting well to the experimental data. The pseudo-second-order kinetic model demonstrated high applicability, highlighting the potential of the developed adsorbent for wastewater treatment applications. The adsorbent exhibited impressive iodine adsorption capacities ranging from 336.42 to 1250.09 mg/g, with efficient removal rates of over 95% for methylene blue and 75% for methyl red dyes within specific time frames.
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DOI: 10.1016/j.dwt.2024.100378
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