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Updated: Jul 9, 2025

Green and Low-cost Production of Thermally Stable and Carboxylated Cellulose Nanocrystals and Nanofibrils Using Highly Recyclable Dicarboxylic Acids
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Published on: January 9, 2017

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使用聚胺修饰纤维素纳米晶体从化脂肪中去除金属和无机物

Ezequiel Vidal1, Frank Alexis2, José M Camiña3

  • 1Department of Chemistry, Clemson University 211 S. Palmetto Blvd, Hunter Hall Clemson SC 29634 USA cdgarci@clemson.edu dwhiteh@clemson.edu +1 864 656 3128.

RSC sustainability
|November 28, 2023
PubMed
概括

研究人员从纤维素纳米晶体开发了一种低成本材料,可以从化动物脂肪中去除不必要的金属. 这种方法显著净化了脂肪,改善了它们在可再生燃料生产中的使用.

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Extraction: Advanced Methods00:56

Extraction: Advanced Methods

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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