有效的罗达胺B降解通过芬顿类和E-芬顿过程,使用来自种的磁性生物炭
My Linh Nguyen1, Thanh Tung Nguyen2, Hoang Long Ngo2
1Department of Environmental Technology, Faculty of Chemical and Food Technology, HCMC University of Technology and Education 1 Vo Van Ngan Street, Linh Chieu Ward, Thu Duc City Ho Chi Minh City Vietnam longnh@ntt.edu.vn.
RSC advances
|April 11, 2025
概括
来自种子外的磁性生物炭有效地使用芬顿式和电-芬顿工艺去除罗达胺B染料. 这种可持续的催化剂显示了废水处理的高效率和可重复使用性.
科学领域:
- 环境化学环境化学
- 材料科学 材料科学 材料科学
- 水处理技术水处理技术
背景情况:
- 工业废水往往含有持久性有机污染物,如罗达胺B (RhB).
- 传统的废水处理方法难以有效地去除染料.
- 先进的氧化工艺 (AOP) 为降解反抗性污染物提供了有希望的解决方案.
研究的目的:
- 为了合成和评估从种子外中提取的磁性生物炭,以去除RhB.
- 为了研究使用这种催化剂的芬顿式和电芬顿 (E-Fenton) 过程的有效性.
- 评估催化剂在废水处理应用中的稳定性和可重复使用性.
主要方法:
- 磁性生物炭 (RBCF12) 通过种的热解和α-FeOOH沉来合成.
- 使用XRD,SEM,EDX和FTIR进行表征,以确认材料属性.
- 在优化条件下使用芬顿式和E-芬顿过程进行RhB降解研究.
主要成果:
- 优化的磁性生物炭实现了91.67%的RhB降解效率.
- 降解动力学遵循一个伪第一阶模型.
- 催化剂表现出极好的稳定性和可重复使用性,在6个循环后保持>60%的效率.
结论:
- 从种子中获得的磁性生物炭是AOPs的高效,成本效益和可持续材料.
- 结合的Fenton-like和E-Fenton方法为工业染料污染提供了强大的解决方案.
- 这项研究有助于开发可持续和高效的废水处理实践.
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