The in situ green synthesis of metal organic framework (HKUST-1)/cellulose/chitosan composite aerogel (CSGA/HKUST-1) and its adsorption on tetracycline

IF 1.2 4区农林科学 Q3 MATERIALS SCIENCE, PAPER & WOOD

Nordic Pulp & Paper Research Journal Pub Date : 2024-12-18 DOI:10.1515/npprj-2024-0053

Tianhao Wang, Luyang Wang, Shun Liu, Lin Chen, Xin Jin, Haitang Liu, Xiaoyuan Liao

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引用次数: 5

Abstract

Abstract In this work, a strategy of in situ 3D hierarchical porous HKUST-1/cellulose/chitosan (CSGA/HKUST-1) composite aerogels were synthesized using ethylene glycol diglycidyl ether (EGDE) as a cross-linking agent. The effect of EGDE on CSGA/HKUST-1 and the adsorption of tetracycline (TC) was investigated: the composite aerogel (CSGA) was produced by the ring-opening reaction of the epoxy group of EGDE in alkaline solution. The chemical structure of CSGA/HKUST-1 composite aerogel was characterized by FT-IR, XRD and XPS.49.33 % mass loading of CSGA1/HKUST-1 was achieved and N 2 adsorption and desorption experiment showed the BET specific surface area reached 694.514 m 2 g −1 . SEM observed the CSGA/HKUST-1 composite aerogel pores were filled with a large number of octahedral HKUST-1 crystal particles. CSGA/HKUST-1 composite aerogel has excellent tetracycline adsorption capacity (285.7 mg g −1 ), and the removal efficiency remained at 92.7 % after five cycles of adsorption–desorption. The pseudo-second-order kinetic model and Langmuir model adsorption mechanism was successfully concluded. This study can provide ideas for in situ synthesis of MOFs on 3D composite aerogel to prepare adsorption materials, improve the mass loading rate of MOFs and prevent MOFs from falling off, etc., and enrich the application of MOFs materials in the treatment of antibiotic pollutants.

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原位绿色合成金属有机骨架(HKUST-1)/纤维素/壳聚糖复合气凝胶（CSGA/HKUST-1）及其在四环素上的吸附

摘要本研究以乙二醇二甘油酯醚（EGDE）为交联剂，合成了原位三维分层多孔hust -1/纤维素/壳聚糖（CSGA/HKUST-1）复合气凝胶。研究了EGDE对CSGA/HKUST-1及四环素（TC）吸附的影响：EGDE环氧基在碱性溶液中开环反应制备复合气凝胶（CSGA）。采用FT-IR、XRD和xps对CSGA/HKUST-1复合气凝胶的化学结构进行了表征，结果表明，CSGA1/HKUST-1的质量负载达到49.33%，n2吸附和解吸实验表明，其BET比表面积达到694.514 m 2 g−1。SEM观察到CSGA/HKUST-1复合气凝胶孔隙中充满了大量的八面体HKUST-1晶体颗粒。CSGA/HKUST-1复合气凝胶具有优良的四环素吸附量（285.7 mg g−1），经过5次吸附-解吸循环后，去除率保持在92.7%。成功地建立了准二级动力学模型和Langmuir模型吸附机理。本研究可为在三维复合气凝胶上原位合成MOFs制备吸附材料、提高MOFs的质量加载率、防止MOFs脱落等提供思路，丰富MOFs材料在抗生素污染物处理中的应用。

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来源期刊

Nordic Pulp & Paper Research Journal 工程技术-材料科学：纸与木材

CiteScore

2.50

自引率

16.70%

发文量

审稿时长

1 months

期刊介绍： Nordic Pulp & Paper Research Journal (NPPRJ) is a peer-reviewed, international scientific journal covering to-date science and technology research in the areas of wood-based biomass: Pulp and paper: products and processes Wood constituents: characterization and nanotechnologies Bio-refining, recovery and energy issues Utilization of side-streams from pulping processes Novel fibre-based, sustainable and smart materials. The editors and the publisher are committed to high quality standards and rapid handling of the peer review and publication processes. Topics Cutting-edge topics such as, but not limited to, the following: Biorefining, energy issues Wood fibre characterization and nanotechnology Side-streams and new products from wood pulping processes Mechanical pulping Chemical pulping, recovery and bleaching Paper technology Paper chemistry and physics Coating Paper-ink-interactions Recycling Environmental issues.