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相关概念视频

Extraction: Advanced Methods00:56

Extraction: Advanced Methods

433
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...
433

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植物提取选项的选择

Alla Samarska1, Oliver Wiche2

  • 1Applied Geoecology Group, Faculty of Natural and Environmental Sciences, Zittau/Görlitz University of Applied Sciences, Zittau, Germany.

Advances in biochemical engineering/biotechnology
|September 1, 2024
PubMed
概括

建筑湿地使用植物进行环保废水处理,去除污染物和回收有价值的元素. 这种植物提取和植物采矿方法为关键原材料和生物能源提供了可持续的来源.

科学领域:

  • 环境科学 环境科学
  • 生物技术是生物技术.
  • 资源恢复 资源回收 资源回收

背景情况:

  • 废水含有有价值的元素,包括关键的原材料和肥料成分.
  • 在建造湿地中使用植物的植物提取提供了一种环保的方法来去除金属化物和回收资源.
  • 在建造湿地的植物提取是一种新兴的技术,需要进一步研究商业化.

研究的目的:

  • 讨论植物在建造湿地中的作用,以提取有价值的元素.
  • 探索利用植物生物质从废水中回收原材料.
  • 突出植物提取对关键原材料和气候变化缓解的潜力.

主要方法:

  • 对植物性处理系统的审查 (建筑湿地,池,水培).
  • 对常见污染物 (N,P,Zn,Cd,Pb,Cr) 的植物提取进行分析.
  • 概念扩展到异国情调的金属化物 (Ge,REE,PGM).

主要成果:

  • 建筑湿地的植物有助于从废水中去除金属和有价值元素.
  • 收获的植物生物质作为生物能源和资源回收 (植物开采) 的二次原料.
  • 植物提取适用于广泛的元素,从常见的污染物到稀土元素.
关键词:
水生植物 水生植物.金属合物是一种金属合物.金属 金属 金属植物培养 植物培养植物疗法 (Phytoremediation) 是一种植物疗法.废水是废水,废水就是废水.

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结论:

  • 在建筑湿地进行植物提取是一种有希望的,可持续的废水处理和资源回收方法.
  • 这项技术通过将废物转化为有价值的资源来支持循环经济.
  • 植物提取对于应对气候变化和高科技金属稀缺问题至关重要.