Preparation and characterization of an algal-based magnetic biochar nanocomposite for the removal of azocarmine G2 dye from aqueous solutions.

5 indicate a clear trend in the relationship between the adsorbent dosage and the adsorption efficiency of the dye from aqueous solutions.

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With increasing temperature, the free energy values exhibit a positive trend, indicating a reduction in the spontaneity of the adsorption process at elevated temperatures.

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