在废水中用于高效吸附四环素化物的Mo-化CuAl层双氧化物
Mingqing Hua1, Jinghua Hu1, Senqi Zhang1
1School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China.
Environmental research
|September 21, 2025
概括
用添加的CuAl层双氧化物 (Mo-CuAl-c LDH) 有效地从废水中去除四环素化物. 这种新型吸附剂具有很高的吸收能力,为抗生素去除挑战提供了有希望的解决方案.
科学领域:
- 环境化学环境化学
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
背景情况:
- 废水中残留的抗生素对环境和健康构成重大风险.
- 传统的抗生素去除方法经常面临效率和成本效益方面的挑战.
- 层状双氧化物 (LDH) 显示出作为吸附剂的潜力,但它们的能力需要增强.
研究的目的:
- 为了合成和表征合的CuAl分层双氧化物 (Mo-CuAl-c LDH).
- 评估Mo-CuAl-c LDH在从废水中去除四环素化物 (TC) 的效率.
- 研究TC去除的吸附机制,热力学和动力学.
主要方法:
- 一式水热合成Mo-CuAl-c LDH.
- 使用各种分析技术进行表征,以确认结构和化学变化.
- 吸附实验以确定TC去除能力和性能.
- 热力学和动力学建模以阐明吸附过程.
主要成果:
- 用集成的成功合成了Mo-CuAl-c LDH.
- 莫多增强了LDH的结构性质和活性部位.
- 在298K的温度下,Mo-CuAl-c LDH的最大TC吸附能力为2317.6mg-1g.
- 吸附遵循伪二次动力学和兰格穆尔等温模型.
结论:
- Mo-CuAl-c LDH是一种高效的吸附剂,用于去除四环素化物.
- 离子交换和静电相互作用是主要的吸附机制.
- 这项研究介绍了一种优异的吸附剂,并提供了对抗生素去除过程的见解.
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