开发基多聚合物膜,在过过程中潜在使用
Ana Luisa Aguilar-Ruiz1, Tomás Jesús Madera-Santana2, Reyna G Sánchez-Duarte1
1Departamento de Ciencias del Agua y Medio Ambiente, Instituto Tecnológico de Sonora, 5 de Febrero 818 Sur, Ciudad Obregón 85000, Sonora, Mexico.
Membranes
|January 27, 2026
概括
用聚乙烯糖醇 (PEG) 和聚乙烯 (PVP) 修改的基托桑膜在水过方面表现出卓越的性能. 这些增强的聚合物膜提供高流量和低阻力,使它们成为水净化应用的理想选择.
科学领域:
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- (Cs) 是从贝中提取的,由于其纯度和分子量,它是膜制造的一个有前途的生物聚合物.
- 开发高效和可持续的水过膜对于解决全球缺水问题至关重要.
研究的目的:
- 用聚乙烯糖醇 (PEG),聚烯 (PVP) 和糖醇 (Gly) 修改的基托桑基膜进行合成和表征.
- 为了评估这些修改后的膜对于压力下水过过程的适用性.
主要方法:
- 用PEG,PVP和Gly制备和修改了基托桑膜,然后与甲 (GA) 进行交联.
- 膜特性包括FTIR,SEM,AFM,接触角度,拉伸测试,TGA,DSC和水过测试在4.83巴.
- 测量了诸如流量,透率和液压阻力等性能指标.
主要成果:
- 修改后的膜 (B2: Cs-PEG,B5: Cs-PEG-PVP) 与Cs-GA (89.4°) 相比,接触角度较低 (56.7°,58.9°).
- 膜B2表现出2222.70 LMH的高流量和460.19 LMH·bar-1的透率,具有较低的液压阻力 (8.79 × 1011 m-1).
- 膜B5也显示出比未经修改的Cs-GA膜更好的过性能.
结论:
- 用PEG和PVP (B2和B5) 修改的基托膜对在压力下有效过水具有很大的前景.
- 这些修改后的膜为净水应用提供了增强的性能.
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