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相关概念视频

Ion Exchange01:17

Ion Exchange

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Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
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相关实验视频

Updated: Jan 13, 2026

Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for CuII Through Microwave Pre-Pyrolysis
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Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for CuII Through Microwave Pre-Pyrolysis

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聚合物交叉连接活性碳颗粒用于染料吸附.

Muhammad Hadi1, Sungho Yoon1

  • 1Department of Chemistry, Chung Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea.

Materials (Basel, Switzerland)
|January 10, 2026
PubMed
概括

研究人员使用一种新的交联聚合物矩阵开发了稳定的活性炭 (AC) 颗粒. 这种环保方法提高了用于水净化和环境应用的交流处理,克服了粉末分散问题.

科学领域:

  • 材料科学 材料科学 材料科学
  • 环境工程 环境工程
  • 化学工程是化学工程的重要组成部分.

背景情况:

  • 粉末活性炭 (AC) 为水和空气净化提供了出色的吸附性能.
  • 由于分散和环境风险,在工业环境中处理粉状交流具有挑战性.
  • 开发稳定,颗粒化AC形式对于实际应用至关重要.

研究的目的:

  • 为了创建结构稳定的活性炭颗粒.
  • 为了克服传统的AC颗粒化方法的局限性.
  • 为AC开发一个环保的,低温颗粒化策略.

主要方法:

  • 在双A (PVA-DGEBA) 基质的交联聚乙烯醇-二甲基乙烯基中颗粒化AC.
  • 利用一个强大的三维聚合物网络,以确保结构稳定性.
  • 通过硬度测试,胀行为和布鲁纳尔-埃梅特-泰勒分析来描述颗粒的特性.

主要成果:

  • 成功生产了结构稳定的圆柱形交流颗粒.
  • 颗粒显示出显著的甲蓝 (MB) 吸附能力 (约14.8 mg/g).
  • 颗粒在水溶液中表现出极好的结构完整性,在有机溶剂 (甲醇,乙醇,) 中表现出极好的稳定性.
关键词:
吸附吸附是一种吸附.双醇的交联聚乙醇二甲基基乙烯是一种矩阵.解体 解体 解体甲基烯蓝色是什么意思颗粒化 颗粒化

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  • 机械强度达到了3.37±0.46 MPa,吸附体积为~250 cm3/g.

    • 结论:

    • PVA-DGEBA矩阵提供了一种有效的低温方法,用于生产稳定的交流颗粒.
    • 这种颗粒化策略提高了AC在要求苛刻的应用中,如废水处理中的可用性.
    • 开发的AC颗粒为传统的粉状AC提供了一个有希望的,环保的替代品.