What question did this study set out to answer?

The research aims to develop and evaluate a new type of magnetic hydrogel beads for removing methylene blue dye from water.

February 5, 2026New Journal of Chemistry0 citations

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Effective Removal of Methylene Blue from Water Using Magnetic Lignite-Based Composite Hydrogel Beads

LDLizhuang DAI YLYao-Dong Liang YHYongjun He

Key Points

The research aims to develop and evaluate a new type of magnetic hydrogel beads for removing methylene blue dye from water.
Developed PAM/SA/HA/Fe3O4@Lignite composite hydrogel beads.
Tested the effectiveness of the beads in adsorbing methylene blue.
Assessed the recyclability and reusability of the beads in water treatment.
The magnetic hydrogel beads effectively removed a significant percentage of methylene blue from the water.
The beads demonstrated good reuse capabilities, retaining their adsorption efficiency across multiple cycles.
This method provides a potential eco-friendly approach to managing dye pollution.

Abstract

To mitigate environmental pollution caused by methylene blue (MB) dye wastewater discharge, a novel type of reusable and easily recyclable magnetic coal-based hydrogel beads, designated as PAM/SA/HA/Fe3O4@Lignite,was developed. This material...

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Cite This Study

DAI et al. (Thu,) studied this question.

synapsesocial.com/papers/6984359ef1d9ada3c1fb49ce https://doi.org/https://doi.org/10.1039/d5nj04953a

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