具有区域特定的湿度的双重功能木纤维用于可切换的油/水分离系统
Ya-Nan Wang1, Jiali Wu1, Qingchun Xia1
1College of Chemistry and Engineering, Sichuan University of Science and Engineering, Zigong 643000, PR China; Organic Fluorine Material Key Laboratory of Sichuan Province, Zigong 643000, PR China; Innovation Center for Chenguang High Performance Fluorine Material, Sichuan University of Science and Engineering, Zigong 643000, PR China.
Journal of hazardous materials
|February 4, 2026
概括
本研究介绍了用于高效处理油性废水的双功能木纤维. 这种新材料有效地分离油中的水和油中的水两种乳液,具有高流量和稳定性.
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:
- 复杂的油性废水需要先进的材料来分离油中的水 (O/W) 和油中的水 (W/O) 乳液.
- 传统的膜往往缺乏双重功能或涉及复杂的,非绿色的制造.
- 开发可持续和高效的分离材料对于环境修复至关重要.
研究的目的:
- 开发具有可切换湿度的双功能木纤维 (WF),用于同时O/W和W/O乳液分离.
- 创建一种简单和可持续的方法,用于制造先进的分离材料,从自然资源.
- 为了评估开发材料的分离效率,流量,稳定性和防腐性质.
主要方法:
- 木纤维的两步表面修改,使用1-多德乙醇 (DDT) 进行疏水性和甲交联聚乙烯胺 (PEI) 进行疏水性/疏水性增强.
- 精确的化学模式,在WFs上创建空间定义的疏水性和疏水性域.
- 测试WFs/DDT@PEI材料用于同时分离各种O/W和W/O乳液.
主要成果:
- WFs/DDT@PEI表现出独特的湿透性,包括水下油性和低油性.
- 实现了高效的不同O/W和W/O乳液的同时分离,分离效率高达99.60%和高流量高达2150 L m-2 h-1.
- 证明了卓越的长期运行稳定性和卓越的抗污染性能,用于连续分离.
结论:
- 建立了一种简单,有效和可持续的方法,用于从天然木纤维中创建双重功能分离材料.
- 开发的WFs/DDT@PEI为处理含有混合乳液的复杂油性废水提供了有希望的解决方案.
- 这种方法突出了天然纤维在先进的环境分离技术中的潜力.
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