Abstract

Cellulose nanocrystal (CNC) composite filter papers were fabricated by a facile method, which consists of the bleaching and hydrolysis of fibers, and drop coating of filter papers with CNC solution. The filter properties of the composite filter papers were applied for the removal of bacteria from aqueous solutions. Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) were used to evaluate the bacteria removal performance of the CNC composite filter papers. It is indicated that the nanopores formed by nanoscale rod-like crystals contribute to the bacteria removal capacity of porous CNC nanocomposite filter papers. Overlapped five layers of the CNC composite filter papers displayed a rapid (0.12 L/min) and highly efficient removal (remove rate at ~ 100%) of bacteria from aqueous solutions. Due to their advantages of convenient preparation, sustainable materials and low cost, the CNC composite filter papers have promising prospects and potential applications in many fields concerning bacteria removal and water purification.

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抽象的

纤维素纳米晶体（CNC）复合滤纸是通过一种简便的方法制备的，该方法包括纤维的漂白和水解，以及用CNC溶液对滤纸进行滴涂。复合滤纸的过滤性能可用于从水溶液中去除细菌。大肠杆菌（E. coli）和金黄色葡萄球菌（S. aureus））被用来评估CNC复合滤纸的除菌性能。结果表明，由纳米级棒状晶体形成的纳米孔有助于多孔CNC纳米复合滤纸的除菌能力。重叠的五层CNC复合滤纸显示出快速（0.12 L / min）的高效去除水溶液中细菌的能力（在〜100％时去除率）。由于其制备方便，材料可持续和成本低的优点，CNC复合滤纸在除菌和水净化的许多领域具有广阔的前景和潜在的应用前景。

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