Portable hydroxyl-functionalized coal gangue-based cordierite porous ceramics sheets for effective adsorption of fluorine-containing wastewater.

This reduced the likelihood of adsorption between fluorine and the adsorbent, resulting in a decreasing trend of adsorption amount and removal rate. 4 F − + H + ⇋ HF 5 HF + H + ⇋ HF 2− Adsorption isotherms In order to exhibit the mechanism of interaction between fluorine and the ACGC-Fe, we utilized the Langmuir and Freundlich models of adsorption isotherm to analyze and fit the experimental data obtained.

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