October 2, 2025Global NEST JournalOpen Access

Adsorption of Methylene Blue Dye Using Biochar Derived from Finger Millet Waste Biomass: Kinetics, Isotherms, and Thermodynamic Studies

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The adsorption efficiency of biochar for methylene blue reaches 100% at optimal pH 7–8.
Maximum adsorption capacity is measured at 191.8 mg/g, indicating its effectiveness as a sustainable adsorbent.
Kinetic modeling shows a pseudosecond-order mechanism dominating the adsorption process.
Thermodynamic analysis reveals the adsorption process is exothermic and spontaneous under varying conditions.

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Implication

This study demonstrates superior adsorption of methylene blue in aqueous solutions using biochar from finger millet waste, suggesting its role as an effective environmental solution.

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A 2025 study studied this question.

synapsesocial.com/papers/68de8eaeaa6cec72c69ea936 https://doi.org/10.30955/gnj.07639

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Implication

This study demonstrates superior adsorption of methylene blue in aqueous solutions using biochar from finger millet waste, suggesting its role as an effective environmental solution.

Adsorption of Methylene Blue Dye Using Biochar Derived from Finger Millet Waste Biomass: Kinetics, Isotherms, and Thermodynamic Studies

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Discussion

Implication

Cite This Study

Adsorption of Methylene Blue Dye Using Biochar Derived from Finger Millet Waste Biomass: Kinetics, Isotherms, and Thermodynamic Studies

Key Points

Discussion

Implication

Cite This Study

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