Enhanced dye adsorption performance of microcrystalline cellulose beads derived from N-methylmorpholine N-oxide/water solvent system assisted by alginate

被引：0
|
作者：
Farkhondehnia, Houra [1 ]
Zhang, Zhen [1 ]
Rumi, Shaida S. [1 ]
Abidi, Noureddine [1 ]
机构：
[1] Texas Tech Univ, Fiber & Biopolymer Res Inst, Lubbock, TX 79409 USA
来源：
MATERIALS LETTERS | 2025年 / 386卷
关键词：
Cellulose; Alginate; N-methylmorpholine N -oxide; Gel; Dye adsorption;
D O I：
10.1016/j.matlet.2025.138200
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this communication, we present the development of microcrystalline cellulose /alginate composite beads using an N-methylmorpholine N-oxide (NMMO) solvent system with calcium and acidic coagulation baths. The effects of alginate incorporation on bead properties and dye adsorption performance were systematically investigated for the first time. The addition of alginate increased bead size and swelling ratio while decreasing porosity. Dye adsorption tests revealed that alginate enhanced the methylene blue adsorption capacity of cellulose beads, with the calcium bath yielding superior performance. Fourier transform infrared spectroscopy analysis confirmed a higher alginate content in calcium-coagulated composites, which was identified as the key mechanism for improved dye adsorption. Our current research highlights a sustainable approach to producing advanced adsorbents from cellulose and alginate for environmental remediation.
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页数：5
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