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通过离子去除相位逆转获得的PVDF/粘土球

Gabriel C Dias¹, Mayk F Cardoso¹, Alex O Sanches¹

¹School of Natural Sciences and Engineering, São Paulo State University (UNESP), Ilha Solteira 15385-000, SP, Brazil.

|June 28, 2023

概括

聚 (乙烯基化物) /粘土球有效地从饮料中去除铜. 该复合材料在净化方面显示出有希望的结果,符合巴西立法标准的铜去除标准.

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:

聚 (乙烯基化物) (PVDF) 是一种多功能聚合物,在分离技术中具有潜在的应用.
粘土复合材料为吸附和净化过程提供了增强的性能.
饮料中的铜污染是公众健康和监管合规性的问题.

研究的目的:

为了合成和表征聚 (乙烯基化物) /粘土球来去除铜.
评估这些复合体球在从水溶液,乙醇溶液和卡卡萨溶液中去除铜的效率.
根据巴西的环境法规评估材料的性能.

主要方法:

聚 (乙烯基化物) /粘土的球体使用相位逆转方法合成.
材料特征包括扫描电子显微镜 (SEM),X射线衍射 (XRD) 和热分析.
批量和柱子吸附试验使用铜尖溶液和商业cachaça进行.

主要成果:

SEM分析显示,粘土的入改变了PVDF球体的多孔结构,减少了低多孔度的中间层,扩大了表面孔隙.
含有30%粘土的复合材料显示出最高的铜去除效率:32.4%在水中,46.8%在乙醇中.
柱体吸附测试显示,去除效率超过50%,与巴西饮料中铜含量立法标准保持一致.

结论:

聚 (乙烯基化物) /粘土复合体球是有效的去除铜从各种介质.
优化的复合材料符合饮料中铜含量的监管要求.
铜对复合体球的吸附行为最好用BET模型来描述.

关键词:

这是一个PVDF.吸附性铜是一种吸附性铜.粘土球体的球体.滴滴方法滴滴方法聚合物复合物的复合物.

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