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<p>Herein, a novel environmentally friendly biosorbent material was prepared by a cheap, simple and green modification method using cetrimonium bromide surfactant from the waste leaf biomass of <i>Prunus laurocerasus</i> L. plant. The performance of the prepared biosorbent towards the biosorption of organic pollutants from water medium was tested using fast green FCF synthetic dye. The biosorption process was assessed through the optimization of operating factors, characterization, thermodynamic, kinetic and isotherm studies. To optimize the biosorption process, the key operational parameters, including the synthetic dye concentration, amount of biosorbent, treatment time, and pH, were studied and the optimal results were found to be 15 mg L<sup>−1</sup>, 10&#xa0;mg, 120&#xa0;min and 9, respectively. It was determined that the biosorbent had a physicochemical structural arrangement suitable for the synthetic pollutant biosorption from water medium and the biosorption of the synthetic organic pollutant onto the surface of the biosorbent was a physical and spontaneous process. The kinetic and isotherm data were best expressed by the pseudo-second-order (P-S-O) and Freundlich models. Maximum monolayer treatment yield was determined as 48.822 mg g<sup>−1</sup>. Considering the relevant literature studies, this indicated a high synthetic dye biosorption potential. As a result, the prepared biosorbent offered a sustainable green solution to water pollution issue caused by organic pollutants such as fast green FCF synthetic dye.</p>

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Biosorption of fast green FCF synthetic pollutant from aquatic medium onto cetrimonium bromide‑treated waste leaf biomass of Prunus laurocerasus L.: a sustainable green approach to solving issue of water pollution

  • 期刊论文

  • 发表日期：

    2025年10月14日

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  • Fatih Deniz

摘要

Herein, a novel environmentally friendly biosorbent material was prepared by a cheap, simple and green modification method using cetrimonium bromide surfactant from the waste leaf biomass of Prunus laurocerasus L. plant. The performance of the prepared biosorbent towards the biosorption of organic pollutants from water medium was tested using fast green FCF synthetic dye. The biosorption process was assessed through the optimization of operating factors, characterization, thermodynamic, kinetic and isotherm studies. To optimize the biosorption process, the key operational parameters, including the synthetic dye concentration, amount of biosorbent, treatment time, and pH, were studied and the optimal results were found to be 15 mg L−1, 10 mg, 120 min and 9, respectively. It was determined that the biosorbent had a physicochemical structural arrangement suitable for the synthetic pollutant biosorption from water medium and the biosorption of the synthetic organic pollutant onto the surface of the biosorbent was a physical and spontaneous process. The kinetic and isotherm data were best expressed by the pseudo-second-order (P-S-O) and Freundlich models. Maximum monolayer treatment yield was determined as 48.822 mg g−1. Considering the relevant literature studies, this indicated a high synthetic dye biosorption potential. As a result, the prepared biosorbent offered a sustainable green solution to water pollution issue caused by organic pollutants such as fast green FCF synthetic dye.