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相关概念视频

Bioremediation00:46

Bioremediation

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Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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Ion Exchange01:17

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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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Preparation of Expanded Chitin Foams and their Use in the Removal of Aqueous Copper
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基托桑基材料作为有效的材料来去除污染物.

Anathi Dambuza1, Pennie P Mokolokolo1, Mamookho E Makhatha2

  • 1Department of Chemistry, University of the Free State (QwaQwa Campus), Kestell Road, QwaQwa, Phuthaditjhaba 9866, South Africa.

Polymers
|September 27, 2025
PubMed
概括

奇托是一种天然聚合物,提供可持续的废水处理解决方案. 其衍生物在通过吸附和其他技术去除重金属,染料和有机污染物方面表现出高效率.

关键词:
吸附吸附是一种吸附.基多酸盐的使用方法染料 染料是一种染料.重金属重金属的使用.污染物 污染物 污染物

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Removal of Arsenic Using a Cationic Polymer Gel Impregnated with Iron Hydroxide
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科学领域:

  • 环境科学 环境科学
  • 聚合物化学 聚合物化学
  • 材料科学 材料科学 材料科学

背景情况:

  • 基从基中衍生出来的基是一种可生物降解,无毒且具有成本效益的生物聚合物.
  • 它丰富的功能组 (-NH2和-OH) 促进了有效的污染物相互作用.
  • 酸盐是可持续废水处理的有希望的材料.

研究的目的:

  • 综合审查使用基托基材料的污染物分离技术.
  • 在分子水平上研究吸附机制.
  • 评估各种污染物的修改基多吸附剂的性能.

主要方法:

  • 对污染物分离技术的审查:吸附,膜过,化和光催化.
  • 吸附机制和分子相互作用的分析.
  • 对各种基托基吸附剂 (水凝,纳米颗粒等) 的比较评估. ) 的情况.

主要成果:

  • 基托桑基材料在去除重金属,染料和新出现的有机污染物方面具有显著的潜力.
  • 各种修改增强了酸盐在污染物清除方面的性能.
  • 最近的进展 (2015-2025) 显示了基托吸附剂的效率越来越高.

结论:

  • 基于酸盐的材料对可持续的废水处理非常有效.
  • 需要进一步的研究来设计用于现实世界水矩阵的高性能酸盐吸附剂.
  • 优化酸盐衍生物对先进的净水技术具有前途.