用纳米复合物吸附剂去污水晶紫色基于松生物炭修饰与CoFe2O4/Mn-Fe LDH修饰的纳米复合物吸附剂
Seyed Jamaleddin Peighambardoust1, Shima Abdollahian Aghbolagh2, Rauf Foroutan2
1Faculty of Chemical and Petroleum Engineering, University of Tabriz, Tabriz, 5166616471, Iran. j.peighambardoust@tabrizu.ac.ir.
Scientific reports
|April 29, 2025
概括
松被修改成磁性生物炭纳米复合材料,以有效地从水中去除水晶紫色染料. 这种可持续吸附剂表现出高效率和易于磁性分离,为废水处理提供了新的解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 环境化学环境化学
- 纳米技术纳米技术
背景情况:
- 污染的污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染
- 开发高效和可持续的吸附剂对于去除染料至关重要.
- 松提供了一个易于获得的,低成本的生物炭生产前体.
研究的目的:
- 使用松合成和表征一种新的磁性生物炭纳米复合材料.
- 评估吸附剂在水溶液中去除水晶紫色染料的能力.
- 为了研究吸附机制和热力学可行性.
主要方法:
- 松被转化为生物炭 (BC) 并用CoFe2O4纳米粒子和Mn-Fe层叠的双氧化物 (LDH) 进行修改.
- 使用FTIR,XRD,VSM,SEM,EDX映射和BET分析进行表征.
- 进行吸附实验以确定最佳条件 (pH,温度,剂量,时间,度),并配备异温和运动模型.
主要成果:
- 修改后的生物炭 (BCPC/CoFe2O4/Mn-Fe LDH) 的表面积显著增加 (98.85 m2/g) 和磁和 (32.35 emu/g).
- 在最佳条件下,达到98.54%的最大染料去除效率.
- 吸附遵循兰格穆尔 (异热) 和伪二次 (动力) 模型,表明一种自发的,外热的和化学吸附驱动的过程.
结论:
- 合成的磁性生物炭纳米复合材料是一种高效和可持续的吸附剂,用于去除阴性染料.
- 吸附剂的磁性特性使其易于分离,并有可能重复使用.
- 这种方法为处理染料污染的废水提供了一个有希望的环保解决方案.
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