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Updated: Jun 4, 2026
10:44
Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for Cu(II) Through Microwave Pre-Pyrolysis
Published on: February 12, 2019
Utilizing a crosslinked chitosan Schiff base network-functionalized biochar-MoS2 composite for enhanced adsorption of
Xiaoqian Zhang1, Wanying Li1, Weidong He1
1School of Environmental and Chemical Engineering, Wuyi University, Jiangmen, 529020, China.
Carbohydrate Polymers
|June 2, 2026
Summary
Researchers developed a novel adsorbent from industrial by-products for wastewater treatment. This composite material efficiently removes anionic dyes, offering a sustainable solution for environmental remediation.
Area of Science:
- Materials Science
- Environmental Chemistry
- Chemical Engineering
Background:
- Industrial by-products present disposal challenges and represent underutilized resources.
- Developing effective adsorbents is crucial for sustainable wastewater treatment and pollutant removal.
- Molybdenum disulfide (MoS2) and biochar are known for their adsorption properties.
Purpose of the Study:
- To create a high-performance adsorbent from brewers' spent grain-derived biochar.
- To investigate the adsorption capabilities of a novel composite material (CS-MoS2/BC) for anionic dye removal.
- To explore the synthesis, characterization, and application of this eco-friendly adsorbent.
Main Methods:
- Fabrication of a composite adsorbent by anchoring MoS2 nanosheets onto biochar and functionalizing with chitosan Schiff base.
- Characterization using SEM, TEM, XRD, FT-IR, XPS, BET, TGA, and EDS.
- Batch adsorption experiments to evaluate methyl orange removal efficiency, kinetics, thermodynamics, and reusability.
Main Results:
- The CS-MoS2/BC composite demonstrated efficient methyl orange removal with a maximum Langmuir capacity of 404.6 mg g-1.
- Adsorption followed pseudo-second-order kinetics and was spontaneous and endothermic.
- The adsorbent showed excellent stability across a wide pH range (2-10) and reusability over six cycles.
Conclusions:
- Valorization of industrial by-products into advanced adsorbents is a sustainable approach for wastewater treatment.
- The synthesized CS-MoS2/BC composite is an efficient, recyclable, and robust adsorbent for anionic dye removal.
- This study provides a viable method for converting waste materials into valuable environmental remediation tools.
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