水净化用竹纳米纤维素PVDF混合基质膜的研制与评价

Kuok King Kuok , Mohd. Elfy Mersal , Md. Rezaur Rahman , Khairul Anwar Mohamad Said , Chiu Po Chan , Anthonette Anak James
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引用次数: 0

摘要

本文主要研究了竹纳米纤维素- PVDF混合基质水净化膜的研制和性能评价。我们强调利用竹子这种可再生和可生物降解的资源来制造先进的纳滤膜的潜力。这些膜在去除水中重金属、有机化合物和染料等污染物方面的有效性得到了测试。开发了五种类型的膜,即原始膜(PVDF), PVDF-1 %纳米纤维素膜(NCM), PVDF-2 %NCM, PVDF-3 %NCM, PVDF-4 %NCM和PVDF-5 %NCM。这些纳米纤维素复合膜分别为1 %、2 %、3 %、4 %和5 %。随着纳米纤维素含量从1 %增加到4 %,透水性和脱染性能均有所提高。PVDF-4 %NCM具有最佳的透水性和防染性能平衡。这种最佳的组成导致形成良好的多孔结构,提高了膜的效率。然而,当纳米纤维素含量增加到5 %时,由于孔隙结构的扭曲,对膜的效率产生了不利影响。这一发现强调了竹基膜作为传统石油基材料的可持续替代品的潜力,在保持高性能特性的同时提供环境效益。我们建议未来的研究应该集中在优化制造技术和探索更广泛的商业应用的可扩展性上,特别是在竹子丰富的地区,如婆罗洲。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Development and evaluation of bamboo nanocellulose PVDF mixed matrix membrane for water purification
This paper focuses on developing and evaluating bamboo nanocellulose-incorporated PVDF mixed matrix membranes for water purification. We highlight the potential of using bamboo, a renewable and biodegradable resource, to create advanced nanofiltration membranes. These membranes were tested for their effectiveness in removing contaminants such as heavy metals, organic compounds and dyes from water. Five types of membranes were developed, namely a pristine membrane (PVDF), PVDF-1 % nanocellulose membrane (NCM), PVDF-2 %NCM, PVDF-3 %NCM, PVDF-4 %NCM, and PVDF-5 %NCM. These had 1 %, 2 %, 3 %, 4 %, and 5 % nanocellulose-incorporated nanocomposite membrane, respectively. Water permeability and dye rejection performance increased with increasing nanocellulose content from 1 % to 4 %. PVDF-4 %NCM demonstrated the best balance of water permeability and dye rejection performance. This optimal composition resulted in well-formed porous structures, enhancing the membrane's efficiency. However, increasing the nanocellulose content to 5 % adversely affected the membrane's efficiency due to distortions in the pore structure. The findings underscore the potential of bamboo-based membranes as a sustainable alternative to traditional petroleum-based materials, offering environmental benefits while maintaining high-performance characteristics. We recommend that future research should focus on optimizing fabrication techniques and exploring scalability for broader commercial applications, especially in regions where bamboo is abundant, such as Borneo.
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