Rice husk-based cellulose nanocrystal/poly(vinyl alcohol) composite film for the removal of Cu (II) cation from aqueous solution

IF 0.7 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

International Journal of Materials Research Pub Date : 2023-11-27 DOI:10.1515/ijmr-2023-0104

Vu Viet Linh Nguyen, Thanh-Truc Pham, Nguyen Anh Tuan Huynh, Van Quy Nguyen

引用次数: 0

Abstract

Abstract In this study, a nanocomposite film comprising poly(vinyl alcohol) (PVA) and rice husk-derived cellulose nanocrystals (CNC) was introduced as a novel sorbent for removing copper (II) cations. First, CNC was isolated from neat rice husk, and then these particles with many ratios compared to PVA (2, 4, 6, and 10 wt.%) were added to the PVA solution to render the nanocomposite films. The obtained films were evaluated using scanning electron microscopy, Fourier-transform infrared spectroscopy, and water uptake tests. The optimal condition for the sorbent preparation was 10 wt.% of CNCs to PVA. The maximum ion adsorption percentage of the PVA/CNC 10 % film reached 55 % after 3 h exposure to 70 ppm Cu (II) ion solution at 25 °C. This research suggested a facile and feasible fabrication method of a nanocomposite film, considered a potential sorbent for the adsorption of copper (II) ions.

查看原文本刊更多论文

稻壳基纤维素纳米晶/聚乙烯醇复合膜用于去除水溶液中的铜（II）阳离子

摘要在本研究中，介绍了一种由聚（乙烯醇）（PVA）和稻壳衍生纤维素纳米晶体（CNC）组成的纳米复合薄膜，作为去除铜（II）阳离子的新型吸附剂。首先，从纯稻壳中分离出 CNC，然后将这些颗粒以与 PVA 不同的比例（2、4、6 和 10 wt.%）添加到 PVA 溶液中，制成纳米复合薄膜。使用扫描电子显微镜、傅立叶变换红外光谱和吸水试验对获得的薄膜进行了评估。制备吸附剂的最佳条件是 CNCs 与 PVA 的比例为 10 wt.%。在 25 °C、70 ppm 的铜（II）离子溶液中暴露 3 小时后，PVA/CNC 10 % 薄膜的最大离子吸附率达到 55%。这项研究提出了一种简便可行的纳米复合薄膜制造方法，被认为是一种潜在的铜（II）离子吸附剂。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

International Journal of Materials Research 工程技术-冶金工程

CiteScore

1.30

自引率

12.50%

发文量

119

审稿时长

6.4 months

期刊介绍： The International Journal of Materials Research (IJMR) publishes original high quality experimental and theoretical papers and reviews on basic and applied research in the field of materials science and engineering, with focus on synthesis, processing, constitution, and properties of all classes of materials. Particular emphasis is placed on microstructural design, phase relations, computational thermodynamics, and kinetics at the nano to macro scale. Contributions may also focus on progress in advanced characterization techniques. All articles are subject to thorough, independent peer review.