从废水中用生物质衍生的碳化合物去除石油实验室见解
Chengyu Wang1, Wangze Xiao1, Qinqin Li1
1College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou, 434023, Hubei, China.
Scientific reports
|July 2, 2025
概括
这项研究探讨了使用植物衍生的碳化合物来从废水中去除柴油. 经过修改的南竹水电 (NBH) 显示出卓越的性能,为油性废水处理提供了可持续的解决方案.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 油性废水带来了重大的环境挑战.
- 吸附是去除柴油等污染物的关键技术.
- 来自生物质的碳化合物正在成为可持续的吸附剂.
研究的目的:
- 为了研究从甜残留物,印度草和南竹中获得的碳化合物的有效性,用于柴油吸附.
- 为了确定最佳的吸附条件,并评估吸附动力学和热力学.
- 评估修改后的南竹水炭 (NBH) 的性能和可重复使用性.
主要方法:
- 碳化合物是通过热水碳化合成的.
- 进行吸附实验以确定最佳参数 (剂量,度,pH,时间).
- 应用了动力和等温模型 (伪二阶,兰木尔).
- 纳米竹被化学修饰 (KMnO4,H2O2,H3PO4,HNO3) 来增强吸附.
主要成果:
- 甜残留水炭 (SPRH) 容量:165.52毫克·g−1.1.
- 印度油 (IMH) 容量:157.41毫克·g−1.1.
- 纳米竹 (NBH) 容量:193.75毫克·g−1.1.
- 吸附动力学遵循伪二阶模型,等温体适合兰格穆尔模型.
- 对NBH的化学修饰使吸附率提高了12.38-21.25%.
- 经过修改的NBH在四个周期后保持了63.24%的容量,显示出良好的稳定性和再生能力.
结论:
- 从农业残留物中提取的碳化合物是有效的柴油吸附剂.
- 经过修改的南竹水电 (NBH) 具有出色的吸附能力和稳定性.
- NBH为油性废水处理提供了一个有希望的,具有成本效益和可持续的解决方案.
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