Vania Septa Anggraeni, Hoong Chern Lee, Pei Sean Goh, Putu Doddy Sutrisna, Eric Wei Chiang Chan, Chen Wai Wong
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引用次数: 0
摘要
我们的研究重点是开发环境友好型生物可降解超滤膜（UF），用于缺乏基础设施地区或紧急情况下的小规模水净化。为了在不使用有害化学物质的情况下解决生物污垢问题，我们采用了生物基提取物，例如从一种马来西亚乌兰草中提取的没食子酸甲酯。富含没食子酸甲酯的提取物通过溶剂分区法纯化，并通过相反转技术整合到纤维素基超滤膜（0 至 7.5% w w-1）中。得到的膜具有更强的抗有机物堵塞和抗生物堵塞性能，对牛血清白蛋白的通量恢复比（FRR）为 87.84 ± 2.00%，对大肠杆菌和金黄色葡萄球菌的通量恢复比（FRR）分别为 76.67 ± 1.89% 和 69.57 ± 1.77%。与纯 CA 膜相比，CA/MG-5 膜的纯水通量（PWF）提高了 224%。我们的创新方法大大提高了纯水通量，为超滤膜应用中的生物污垢预防提供了一种环境友好型方法。
Biodegradable ultrafiltration membrane enhanced with anti-biofouling agent from Anacardium occidentale extract.
Our research focuses on developing environmentally friendly biodegradable ultrafiltration (UF) membranes for small-scale water purification in areas lacking infrastructure or during emergencies. To address biofouling challenges without resorting to harmful chemicals, we incorporate bio-based extracts, such as methyl gallate from A. occidentale leaves, a Malaysian ulam herb, known for its quorum sensing inhibition (QSI) properties. The methyl gallate enriched extract was purified by solvent partitioning and integrated into cellulose-based UF membranes (0 to 7.5% w w-1) through phase inversion technique. The resulting membranes exhibited enhanced anti-organic fouling and anti-biofouling properties, with flux recovery ratio (FRR) of 87.84 ± 2.00% against bovine serum albumin and FRRs of 76.67 ± 1.89% and 69.57 ± 1.77% against E. coli and S. aureus, respectively. The CA/MG-5 membrane showed a 224% improvement in pure water flux (PWF) compared to the neat CA membrane. Our innovative approach significantly improves PWF, presenting an environmentally friendly method for biofouling prevention in UF membrane applications.
期刊介绍：
Biofouling is an international, peer-reviewed, multi-discliplinary journal which publishes original articles and mini-reviews and provides a forum for publication of pure and applied work on protein, microbial, fungal, plant and animal fouling and its control, as well as studies of all kinds on biofilms and bioadhesion.
Papers may be based on studies relating to characterisation, attachment, growth and control on any natural (living) or man-made surface in the freshwater, marine or aerial environments, including fouling, biofilms and bioadhesion in the medical, dental, and industrial context.
Specific areas of interest include antifouling technologies and coatings including transmission of invasive species, antimicrobial agents, biological interfaces, biomaterials, microbiologically influenced corrosion, membrane biofouling, food industry biofilms, biofilm based diseases and indwelling biomedical devices as substrata for fouling and biofilm growth, including papers based on clinically-relevant work using models that mimic the realistic environment in which they are intended to be used.
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