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[1]贺子航,宫雪枫,蒋 洧,等. 溶剂热法制备Co-UiO-66-NH2及其对双氯芬酸钠吸附性能的探究 [J].武汉工程大学学报,2025,47(03):250-258.[doi:10.19843/j.cnki.CN42-1779/TQ.202410022]
　HE Zihang,GONG Xuefeng,JIANG Wei,et al. Solvothermal synthesis of UiO-66-NH2 and its adsorption performance for diclofenac sodium [J].Journal of Wuhan Institute of Technology,2025,47(03):250-258.[doi:10.19843/j.cnki.CN42-1779/TQ.202410022]
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溶剂热法制备Co-UiO-66-NH2及其对双氯芬酸钠吸附性能的探究
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
47
期数:
2025年03期
页码:
250-258
栏目:
现代大化工
出版日期:
2025-06-30

文章信息/Info

Title:
Solvothermal synthesis of UiO-66-NH2 and its adsorption performance for diclofenac sodium
文章编号:
1674 - 2869（2025）03 - 0250 - 09
作者:
1.中南民族大学化学与材料科学学院，湖北 武汉 430074；
2.中国石油吉林石化公司，吉林 吉林 130061
Author(s):
1. School of Chemistry and Materials Science, South-Central Minzu University， Wuhan 430074， China；
2. China National Petroleum Corporation Jilin Petrochemical Company， Jilin 130061， China
关键词:
Keywords:
分类号:
O647.32
DOI:
10.19843/j.cnki.CN42-1779/TQ.202410022
文献标志码:
A
摘要:
采用溶剂热法制备Zr基金属有机骨架材料UiO-66-NH2，然后掺杂金属元素钴(Co)制备了一种复合金属有机骨架材料Co-UiO-66-NH2，对两种材料进行表征，并比较其对双氯芬酸钠(DCF)的吸附性能。结果表明：在室温条件下，Co-UiO-66-NH2纳米颗粒的吸附量高达202.806 mg/g，吸附的DCF的去除率达到初始浓度的94%以上，吸附平衡的时间仅需40 min。相比于UiO-66-NH2材料，吸附性能提高21%，达到吸附平衡的时间提前了20 min。Co-UiO-66-NH2纳米颗粒的吸附能力对吸附剂用量、初始DCF浓度、共存离子、溶液pH值敏感。拟二阶动力学模型和Langmuir模型与吸附过程拟合良好。热力学研究表明，该吸附过程是一个自发的吸热过程。
Abstract:
A zirconium-based metal-organic framework (UiO-66-NH2) was synthesized via a solvothermal method, and cobalt (Co)-doped composite MOF (Co-UiO-66-NH2) was subsequently prepared to evaluate its adsorption efficiency for diclofenac sodium (DCF). Both materials were systematically characterized, and their adsorption behaviors were comparatively analyzed. Experimental results revealed that the Co-UiO-66-NH2 nanoparticles exhibit a maximum adsorption capacity of 202.806 mg/g under ambient conditions, achieving over 94% DCF removal from its mother liquor and reaching adsorption equilibrium within 40 min. Compared with UiO-66-NH2, the Co-doped variant demonstrates a 21% improvement in adsorption performance and a 20 min reduction in equilibrium time. The adsorption capacity of Co-UiO-66-NH2 nanoparticles was found to be sensitive to the adsorbent dosage, initial DCF concentration, coexisting ions, and solution pH, and the adsorption process fitted well with the pseudo-second-order kinetic model and the Langmuir model. Thermodynamic studies further characterized the process as spontaneous and endothermic. These findings highlight the efficacy of Co doping in optimizing MOF-based adsorbents for pharmaceutical pollutant removal.

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备注/Memo

备注/Memo:
收稿日期：2024-10-28
基金项目：国家自然科学基金(52272102)；中南民族大学中央高校基本科研业务费专项(CZZ23014)
作者简介：贺子航，硕士研究生。Email：2022120341@mail.scuec.edu.cn
*通信作者：金士威，博士，教授。Email：jinsw@mail.scuec.edu.cn
引文格式：贺子航，宫雪枫，蒋洧，等. 溶剂热法制备Co-UiO-66-NH2及其对双氯芬酸钠吸附性能的探究［J］. 武汉工程大学学报，2025，47（3）：250-258.
更新日期/Last Update: 2025-07-08