评估和选择动力和异热模型,以使用牛骨焦炭作为吸附剂去除铜和
Pornmongkol Tansomros1, Poramed Aungthitipan1, Surachai Wongcharee2
1Field of Civil Engineering, Faculty of Engineering, Mahasarakham University, Khamriang, Kantarawichai, Mahasarakham 44150, Thailand.
International journal of molecular sciences
|May 14, 2025
概括
牛骨炭有效地从酸性废水中去除铜 (Cu) 和 (Ni). 这种环保吸附剂在具有挑战性的工业水处理场景中显示出可持续重金属修复的前景.
科学领域:
- 环境化学环境化学
- 材料科学 材料科学 材料科学
- 水处理 处理水的方法
背景情况:
- 工业废水经常含有有毒的重金属,如铜 (Cu) 和 (Ni).
- 需要有效和可持续的方法来从酸性废水中去除重金属.
- 牛骨炭是一种潜在的低成本,可生物降解的吸附材料.
研究的目的:
- 评估牛骨炭在从酸性废水中去除Cu (II) 和Ni (II) 离子方面的有效性.
- 用先进的动力和异热模型分析吸附行为.
- 评估牛骨炭作为吸附剂的可重复使用性和可持续性.
主要方法:
- 进行了批量吸附实验,以确定去除效率.
- 非线性运动 (FL-PFO) 和异热 (Liu,Toth) 模型用于数据分析.
- 模型装配使用了微软ExcelSolver,得到了AIC和AARD%的验证.
主要成果:
- 牛骨炭表现出显著的吸附能力:110 mg/g的Cu (II) 和95 mg/g的Ni (II).
- FL-PFO运动模型最好地描述了随时间推移的吸附过程.
- 和托斯的等温模型准确地表示了平衡吸附.
- (II) 的去除速度比 (II) 更快,更完整.
结论:
- 牛骨炭是一种可行的,可持续的吸收剂,用于从酸性废水中去除Cu (II) 和Ni (II).
- 该材料显示出在多个循环中重复使用的潜力,尽管有一些效率损失.
- 这种吸附剂特别适用于低资源和分散式水处理应用.
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