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使用良好结晶的多层双氧化物及其氧化物进行高效的染料去除:关于动力学,热力学,等温和和记忆效应的见解

Saleem Reihana Parveen^1,2, Viruthachalam Thiagarajan^1,2

¹Photonics and Biophotonics Lab, School of Chemistry, Bharathidasan University Trichy 620024 Tamil Nadu India v.thiagarajan@bdu.ac.in.

|December 17, 2025

概括

-层双氧化物 (MAO) 在从废水中去除甲基色等有毒染料方面表现出高效率. 这些可重复使用的吸附剂表现出一种自发的,外热的物理吸收过程,使它们在环境修复方面有效.

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:

染料是有毒的有机化合物,具有环境风险.
废水染料的去除是一个关键的环境挑战.

研究的目的:

合成和描述Mg-Al分层双氧化物 (MAH) 和它们的衍生物 (MAO).
调查MAH和MAO对阴离子和阴离子染料的吸附行为.
评估吸附剂和吸附剂的可重复使用性和回收性.

主要方法:

使用缩金属盐和化到MAO的MAH合成.
吸附研究的接触时间,温度,pH值,离子强度,度和剂量各不相同.
动力学,异热学和热力学分析.
研究MAO的"记忆效应"和可重复使用性.

主要成果:

持有者和MAO都对甲基色和酸蓝色具有很高的吸附能力 113.
由于化后表面积增加,MAO的吸附效率略高.
吸附遵循伪二次动力学,符合兰格穆尔模型.
这个过程是自发的,外热物理吸收,通过热力学参数得到证实.
在多个循环中,MAO表现出"记忆效应"和出色的可重复使用性.
脱氧的甲基色染料在化学上保持完整,并且可以回收.

结论:

MAO是一种高效且可重复使用的吸附剂,用于从废水中去除有毒染料.
该研究强调了MAO在环境修复应用中的潜力.
吸附剂和吸附剂材料都可重复使用,提供可持续的解决方案.

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