Development and optimization of imine-functionalized cellulose adsorbent for anionic micropollutant removal

IF 4.8 2区工程技术 Q1 MATERIALS SCIENCE, PAPER & WOOD

Cellulose Pub Date : 2025-08-21 DOI:10.1007/s10570-025-06734-1

Se-Ra Jin, Kwan-Yong Lee, Si-Hyeon Park, Jeong-Min Cheon, Su Bin Kang, Chul-Woong Cho

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Abstract

Anionic micropollutants pose significant threats to environmental organisms, and their removal or minimization is imperative. To achieve efficient removal, an imine-functionalized cellulose-based adsorbent called surface-modified cross-linked cellulose (SMCC) was developed, and its preparation process was optimized. The optimization focused on determining the appropriate quantities of NaIO₄ and aminoguanidine, reaction times, and the cross-linking ratio between treated and untreated cellulose. The effectiveness of SMCC was evaluated by removing 28 anionic micropollutants, including antimicrobial agents and pharmaceuticals. The adsorption capacities of SMCC ranged from 19.51 to 5406.19 μmol/g, highlighting its strong adsorption potential. In addition, through quantitative structure–adsorption relationship modeling, adsorption affinity was predicted with good accuracy (R² = 0.909). These results demonstrate the effectiveness of SMCC as an innovative and sustainable solution for mitigating the environmental impact of anionic micropollutants.

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亚胺功能化纤维素吸附阴离子微污染物的研制与优化

阴离子微污染物对环境生物构成重大威胁，其去除或最小化势在必行。为了达到高效脱除的目的，研制了一种亚胺功能化纤维素基吸附剂——表面改性交联纤维素（SMCC），并对其制备工艺进行了优化。优化的重点是确定NaIO4和氨基胍的适宜用量、反应时间以及处理过和未处理过的纤维素之间的交联比。通过对28种阴离子微污染物（包括抗菌剂和药物）的去除效果进行了评价。SMCC的吸附量为19.51 ~ 5406.19 μmol/g，具有较强的吸附潜力。此外，通过定量结构-吸附关系建模，预测吸附亲和度具有较好的准确性（R2 = 0.909）。这些结果表明，SMCC作为一种创新和可持续的解决方案，可以有效地减轻阴离子微污染物对环境的影响。

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来源期刊

Cellulose 工程技术-材料科学：纺织

CiteScore

10.10

自引率

10.50%

发文量

580

审稿时长

3-8 weeks

期刊介绍： Cellulose is an international journal devoted to the dissemination of research and scientific and technological progress in the field of cellulose and related naturally occurring polymers. The journal is concerned with the pure and applied science of cellulose and related materials, and also with the development of relevant new technologies. This includes the chemistry, biochemistry, physics and materials science of cellulose and its sources, including wood and other biomass resources, and their derivatives. Coverage extends to the conversion of these polymers and resources into manufactured goods, such as pulp, paper, textiles, and manufactured as well natural fibers, and to the chemistry of materials used in their processing. Cellulose publishes review articles, research papers, and technical notes.