来自Pinus sylvestris的纤维素和木材衍生活性炭:在甲基蓝吸附中的比较性能
Nadia Anter1, Abdellah Hannioui1, Abdelouahid Medaghri-Alaoui1
1Molecular Chemistry, Materials and Catalysis Laboratory, Faculty of Science and Technology, Sultan Moulay Slimane University 23000 Béni-Mellal Morocco.
RSC advances
|December 15, 2025
概括
来自红杉 (Pinus sylvestris) 粉和分离的纤维素的环保活性炭被制备. 纤维素衍生活性炭 (AC-CRW) 在从废水中去除甲蓝染料方面表现出卓越的性能.
科学领域:
- 材料科学 材料科学 材料科学
- 环境化学环境化学
- 绿色化学 绿色化学
背景情况:
- 染料污染废水造成环境和健康风险.
- 活性炭是有效的吸附剂,但需要可持续和高效的来源.
- 价值化的纤维素生物质,如松树的粉,提供了一个可持续的路线.
研究的目的:
- 准备和表征来自Pinus sylvestris的粉和提取的纤维素的环保活性炭.
- 为了评估这些材料的吸附性能,以去除甲蓝色染料.
- 研究纤维素分离对活性炭的性能和效率的影响.
主要方法:
- 使用H3PO4激活来制备Pinus sylvestris粉 (AC-RW) 和分离纤维素 (AC-CRW) 的活性炭.
- 使用FTIR,SEM,TGA,XRD和BET分析进行全面的表征.
- 甲蓝吸附实验,同热和运动建模,热力学分析和再生研究.
主要成果:
- 与来自木材的AC-RW相比,纤维素衍生的活性炭 (AC-CRW) 呈现出优越的纹理均性和表面功能.
- 对于甲基蓝,AC-CRW的最大吸附能力 (314.07 mg g−1) 比AC-RW (218.78 mg g−1) 的最大吸附能力更高.
- 吸附遵循兰格穆尔等温和和伪第一阶动力学;热力学分析表明一种自发的,内热的和驱动的过程.
结论:
- 从Pinus sylvestris中分离纤维素可以增强活性炭在染料吸附中的特性.
- 来自Pinus sylvestris的活性炭是处理染料污染废水的可持续和高效吸附剂.
- AC-CRW显示出出色的可重复使用性,在五个循环后保持93.5%的效率.
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