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纤维素纳米纤维 - - 增强的点膜,用于从模型溶液中吸附阴离子染料

Alenka Ojstršek¹, Selestina Gorgieva¹

¹Institute of Engineering Materials and Design, Faculty of Mechanical Engineering, University of Maribor, Smetanova 17, 2000 Maribor, Slovenia.

|March 28, 2024

概括

这项研究开发了纤维素纳米纤维/pectin膜,用于去除cationic染料. 膜显示了可调节的特性,并实现了高达71%的特定染料的去除效率.

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:

污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染污染
开发高效和可调节的膜来去除染料至关重要.

研究的目的:

为了制造和表征纤维素纳米纤维/pectin (CNFs/PCs) 膜用于离子染料去除.
研究交叉连接剂 (酸和CaCl2) 和CNF/PC比对膜性质和性能的影响.

主要方法:

一种简单的,单步制造方法,用于CNF/PC膜.
膜性质的全面表征 (水友性,胀,稳定性).
使用两种阴离子染料 (C.I. 基本黄色 28 和 C.I. 基本蓝色 22) 在不同的度.

主要成果:

膜表现出水友性质,可调节的水接触角度和根据交叉连接器类型和比率的膨胀百分比.
膜稳定性随着pectin含量增加而下降;四个膜在24小时内保持稳定.
具有最高表面电荷的M3膜实现了高达37%的C.I.最大去除效率. 基本黄色为28和71%的CI. 基本蓝色22号基本蓝色22号

结论:

CNFs/PC膜提供了一个可调节的平台,可以有效地从水溶液中去除阴阳性染料.
制造方法和材料组成可以优化,以提高染料吸附能力.
这项研究为开发用于废水处理的可持续材料提供了一个有希望的方法.

关键词:

吸附吸附是一种吸附.阴阳性染料是一种染料.纤维素纳米纤维的纤维素纳米纤维.染料的去除染料的去除膜膜膜膜是一种质素 (pectin) 是一种质素.

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