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Luminescent cellulose-based porous binary metal-organic gels in an adsorption bed for effective adsorption and sensitive detection of chlortetracycline hydrochloride
Journal of Hazardous Materials ( IF 13.6 ) Pub Date : 2021-02-25 , DOI: 10.1016/j.jhazmat.2021.125473
Meijun Liu , Zhi Liu , Taigang Ma , Zhisheng Liu , Yangxue Li , Donglei Zou

Three novel (Fe-Eu) JLUE-MOGs were successfully fabricated through a solvothermal method and employed to construct the double-effect system for antibiotics adsorption and detection. The characterizations highlighted the properties of ample active sites, large surface areas and hierarchical porous structures, which did contribute to superb and rapid chlortetracycline hydrochloride (CTC) adsorption by JLUE-MOGs. Besides, the effects of initial pH values, JLUE-MOG dosages and co-existing inorganic ions on the CTC adsorption could be explained by pore filling, π-π EDA interaction, electrostatic interaction, water affinity as well as hydrogen bonding. Moreover, the optimized condition was cross-explored by response surface methodology (RSM) with tiny differences compared to actual experiments. In addition, fluorescent JLUE-MOG-7 was implemented for sensitive recognition of CTC and reflecting adsorption processes. Furthermore, shaping JLUE-MOG-7@cellulose aerogels were fabricated as filter materials for applying into an adsorption bed. The breakthrough process was fitted well by Bohart–Adams model and Thomas model, along with recognizable fluorescence changes of immobilized adsorbents. This work develops efficient and luminescent powder-like JLUE-MOGs for antibiotics adsorptive enrichment and sensitive detection. More importantly, immobilized JLUE-MOG@cellulose aerogels, as promising and alternative adsorbents with real-time fluorescence changes, can be utilized for continuously pollutants removal in real wastewater treatment.



中文翻译:

吸附床上的发光纤维素基多孔二元金属-有机凝胶可有效吸附和灵敏地检测盐酸金霉素。

通过溶剂热法成功制备了三种新型的(Fe-Eu)JLUE-MOG,并用于构建双效系统以吸附和检测抗生素。这些特征突出了充足的活性位点,较大的表面积和分层的多孔结构的特性,这些特性确实有助于JLUE-MOG吸附高品质和快速的盐酸金霉素(CTC)。此外,初始pH值,JLUE-MOG剂量和共存的无机离子对四氯化碳吸附的影响可以通过孔填充,π-πEDA相互作用,静电相互作用,水亲和力以及氢键来解释。此外,最佳条件是通过响应面方法(RSM)进行交叉探索的,与实际实验相比差异很小。此外,荧光JLUE-MOG-7用于敏感地识别CTC并反映吸附过程。此外,将成型的JLUE-MOG-7 @纤维素气凝胶制成过滤材料,以应用于吸附床。Bohart-Adams模型和Thomas模型以及固定的吸附剂的可识别的荧光变化都很好地拟合了突破过程。这项工作开发了高效且发光的粉末状JLUE-MOG,可用于抗生素的吸附富集和灵敏检测。更重要的是,固定化的JLUE-MOG @纤维素气凝胶是有前途的和具有实时荧光变化的替代吸附剂,可用于在实际废水处理中连续去除污染物。成型的JLUE-MOG-7 @纤维素气凝胶被制成过滤材料,用于吸附床。Bohart-Adams模型和Thomas模型以及固定的吸附剂的可识别的荧光变化都很好地拟合了突破过程。这项工作开发了高效且发光的粉末状JLUE-MOG,可用于抗生素的吸附富集和灵敏检测。更重要的是,固定化的JLUE-MOG @纤维素气凝胶是有前途的和具有实时荧光变化的替代吸附剂,可用于在实际废水处理中连续去除污染物。成型的JLUE-MOG-7 @纤维素气凝胶被制成过滤材料,用于吸附床。Bohart-Adams模型和Thomas模型以及固定的吸附剂的可识别的荧光变化都很好地拟合了突破过程。这项工作开发了高效且发光的粉末状JLUE-MOG,可用于抗生素的吸附富集和灵敏检测。更重要的是,固定化的JLUE-MOG @纤维素气凝胶是有前途的和具有实时荧光变化的替代吸附剂,可用于在实际废水处理中连续去除污染物。这项工作开发了高效且发光的粉末状JLUE-MOG,可用于抗生素的吸附富集和灵敏检测。更重要的是,固定化的JLUE-MOG @纤维素气凝胶是有前途的和具有实时荧光变化的替代吸附剂,可用于在实际废水处理中连续去除污染物。这项工作开发了高效且发光的粉末状JLUE-MOG,可用于抗生素的吸附富集和灵敏检测。更重要的是,固定化的JLUE-MOG @纤维素气凝胶是有前途的和具有实时荧光变化的替代吸附剂,可用于在实际废水处理中连续去除污染物。

更新日期:2021-02-28
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