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来自铜树叶的可持续活性碳,可有效地去除和再生四环素

Hari Om Singh¹, Gokulakrishnan Murugesan², Raja Selvaraj³

¹Department of Chemical Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India.

Scientific reports

|May 19, 2025

概括

铜树叶衍生的活性碳有效地从水中去除四环素. 这种可持续吸附剂具有较高的表面积和容量,为抗生素污染提供了有希望的解决方案.

科学领域:

环境科学环境科学
材料科学材料科学材料科学
化学化学化学

背景情况:

水中环素 (TC) 污染带来了重大环境风险,包括抗生素耐药性的扩散.
有效的清除策略对于减轻这些生态和健康威胁至关重要.

研究的目的:

为了合成和评估来自铜树叶的活性碳,用于四环素吸附.
描述吸附剂的特性并了解吸附机制.

主要方法:

活性炭通过在低温下通过酸激活合成.
使用FESEM,EDS,FTIR,XRD,BET和XPS进行表征.
吸附研究使用伪二次动力学和兰木尔异热模型进行分析.

主要成果:

高表面积 (865.06 m2/g) 和多孔结构由BET和FESEM证实.
伪二次动力学 (R2 = 0.9765) 和兰迈尔等温度 (R2 = 0.9952) 匹配,表明化学吸收.
高单层吸附能力为103.32 mg/g,在自然水矩阵中有效去除.
吸附剂在五个再生周期中保持了高性能.

结论:

来自铜树叶的活性炭是一种高效且可重复使用的吸收剂,用于去除四环素.
这项研究表明,治疗用抗生素污染的水是一种可持续的方法.
这些发现支持这种生物吸附剂在环境修复中的潜在应用.

关键词:

皮尔托福勒姆 (Peltophorum) 是一个带有体的植物.吸附方式是异热的.吸附动力学吸附动力学可持续的活性碳可持续的活性碳环素去除法环素去除法水的矩阵水的矩阵.

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