Efficient removal of copper ions and organic dyes using chitosan, pectin, and magnetic hydrogel composites: Structural characterization and adsorption mechanisms

This study investigates the adsorption efficiencies of twelve hydrogel groups, including chitosan, pectin, sodium alginate, cypress, bitter ginseng, dandelion, persimmon leaf, and magnetic hydrogels, for the removal of copper ions, methylene blue, and congo red from aqueous solutions. The hydrogels...

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