Preparation and adsorption properties of magnetic chitosan/sludge biochar composites for removal of Cu<sup>2+</sup> ions.

Sci Rep · 2023 · PMC10684598 · PMID 38017022

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an increasing trendno p-value reported

When the initial concentration of Cu 2+ was lower than 30 mg/L, the adsorption efficiency showed an increasing trend and remained above 90%.

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