在活性炭上对甲的吸附进行实验和物理研究
Souhail Mohammed Bouzgarrou1, Hedi Jedli2, Rym Hassani3
1Civil and Architectural Engineering Department, College of Engineering and Computer Sciences, Jazan University, P.O Box 114, Jazan, Saudi Arabia. sbouzgarrou@jazanu.edu.sa.
Scientific reports
|December 20, 2025
概括
来自橄废弃物的活性炭有效地从水中去除甲蓝 (MB) 染料. 吸附是外热的,遵循多层物理吸附过程,分子方向影响容量.
科学领域:
- 环境化学环境化学
- 材料科学 材料科学 材料科学
- 吸附科学 吸附科学
背景情况:
- 污染废水的染料,如甲蓝 (MB) 构成环境风险.
- 活性炭 (AC) 是一种广泛使用的吸附剂,但需要可持续的来源.
- 橄废料为交流电生产提供了一个潜在的低成本前体.
研究的目的:
- 为了研究从橄废物中提取的活性炭在去除甲基蓝 (MB) 的有效性.
- 描述吸附剂,阐明吸附机制和动力学.
- 为了探索温度对MB吸附的影响.
主要方法:
- 从橄废料中合成活性炭 (AC).
- 使用FTIR,SEM,XRD和N2吸附-脱附来对交流的表征.
- 在不同温度下 (298313 K) 进行MB去除的批量吸附实验.
- 动力和同热模型 (伪二阶,兰木尔,多层模型).
主要成果:
- 来自橄废物的AC显示出显著的MB去除能力.
- 吸附遵循伪二次动力学和兰格穆尔异热模型.
- 多层吸附分析表明MB分子的垂直方向 (n > 1).
- 随着温度的增加,MB吸附能力下降 (235.21至198.62毫克·g-1),受"n"参数的影响.
- 吸附是外热的,这表明一个物理吸收过程.
结论:
- 橄废弃物衍生AC是一种有前途的,可持续的吸附剂,用于MB去除.
- 吸附机制涉及具有特定分子方向的物理吸附.
- 温度对MB吸附能力起着至关重要的作用,主要是由于分子方向的变化.
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