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<p>Sugarcane bagasse is generated in huge quantities worldwide which can be converted into high-end valuable products. A major portion of bagasse is converted into Sugarcane Bagasse Ash (SCBA) by burning it at a high temperature in industries. Proper utilization of SCBA instead of landfilling can reduce the harmful environmental effects. In this paper, application of bagasse ash as a green adsorbent for the removal of Fuchsin Basic&#xa0;(FB) dye was investigated. SCBA was characterized using XRD, FTIR, SEM-EDS, BET for insights into its properties. Parameters like contact time, pH, temperature, initial concentration and adsorbent dosage were varied and their impact on dye removal was studied. A maximum removal around 78% (for 10&#xa0;mg/L dye concentration, 3&#xa0;g/L adsorbent dosage, 7 pH, 60&#xa0;min and 25&#xa0;°C) was achieved using SCBA. Adsorption equilibrium was investigated and Langmuir model fitted best (q<sub>max</sub> = 9.1706&#xa0;mg/g and k<sub>l</sub>= 0.1690&#xa0;L/mg, R<sup>2</sup> = 0.9939) as compared to Freundlich and Temkin models. Additionally, kinetics studies revealed that Pseudo second order (R<sup>2</sup> = 0.9998) was superior over other kinetic models. Thermodynamic study confirmed the endothermic adsorption of FB on SCBA and FB removal of 50% was observed even after four cycles indicating reusability of adsorbent after regeneration. Use of SCBA directly as adsorbent without excessive pretreatment promises to be an attractive option.</p>

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Utilization of sugarcane bagasse ash as green adsorbent for Fuchsin basic dye removal

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月27日

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  • Jay R. Patel,
  • Nikita J. Ambegaonkar,
  • Ronak Patel,
  • T. S. Rajaraman,
  • Pratik Patel,
  • Piyush Patel,
  • Naina H. Tahilramani,
  • Sunil R. Patel

摘要

Sugarcane bagasse is generated in huge quantities worldwide which can be converted into high-end valuable products. A major portion of bagasse is converted into Sugarcane Bagasse Ash (SCBA) by burning it at a high temperature in industries. Proper utilization of SCBA instead of landfilling can reduce the harmful environmental effects. In this paper, application of bagasse ash as a green adsorbent for the removal of Fuchsin Basic (FB) dye was investigated. SCBA was characterized using XRD, FTIR, SEM-EDS, BET for insights into its properties. Parameters like contact time, pH, temperature, initial concentration and adsorbent dosage were varied and their impact on dye removal was studied. A maximum removal around 78% (for 10 mg/L dye concentration, 3 g/L adsorbent dosage, 7 pH, 60 min and 25 °C) was achieved using SCBA. Adsorption equilibrium was investigated and Langmuir model fitted best (qmax = 9.1706 mg/g and kl= 0.1690 L/mg, R2 = 0.9939) as compared to Freundlich and Temkin models. Additionally, kinetics studies revealed that Pseudo second order (R2 = 0.9998) was superior over other kinetic models. Thermodynamic study confirmed the endothermic adsorption of FB on SCBA and FB removal of 50% was observed even after four cycles indicating reusability of adsorbent after regeneration. Use of SCBA directly as adsorbent without excessive pretreatment promises to be an attractive option.