在两种类型的膜上构建一种抗化硫胺多巴胺/酸水凝层,用于高效的原油废水处理
Liyun Zhang1,2, Xue Luo1, Xin Wen1
1School of Science, Xihua University, Jinzhou Road, Chengdu 610039, P. R. China.
Langmuir : the ACS journal of surfaces and colloids
|January 26, 2026
概括
膜上的新型超性水凝涂层可以防止原油污染,提高废水处理效率. 这种先进的膜技术在恶劣条件下显示出出色的分离性能和稳定性.
科学领域:
- 材料科学 材料科学 材料科学
- 环境工程 环境工程
- 化学工程是化学工程的重要组成部分.
背景情况:
- 原油污染严重阻碍了废水处理中的膜分离效率.
- 开发强大的反原油污染技术对于有效的油水分离至关重要.
研究的目的:
- 开发一种超性水凝涂层,用于抗原油污染膜分离.
- 评估改性不钢 (SSM) 和聚乙烯化物 (PVDF) 膜用于原油废水处理的性能和稳定性.
主要方法:
- 使用硫酸多巴胺 (SDA) 和奇托 (CS) 通过氧化剂诱导的代位构建了一个超性水凝.
- 将水凝涂层涂在SSM和PVDF膜表面上.
- 用原油/水混合物,乳液和腐蚀性条件测试膜性能.
主要成果:
- 经过修改的膜表现出水下超级油性质和出色的反原油粘附性.
- 在10个循环后,SSM@SDA/CS实现了高流量 (2350 L·m−2·h−1);PVDF@SDA/CS显示不同乳液的排斥率高于99%.
- 结合SSM@SDA/CS和PVDF@SDA/CS膜实现了高度乳液的99.63%的分离效率,并在酸性和盐酸环境中表现出稳定性.
结论:
- SDA/CS水凝涂层为原油废水提供了出色的防和分离稳定性.
- 该战略为先进的油水分离技术提供了一个有希望的理论参考.
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