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(3-Chloro-2-hydroxypropyl) trimethylammonium chloride and polyethyleneimine co-modified pomelo peel cellulose-derived aerogel for remelt syrup decolorization in sugar refining

Zhou, Li-Shu ; Xiong, Yan-Shu ; Jia, Ran ; Li, Ming-Xing ; Fan, Bo-Huan ; Tang, Jia-Yi ; Li, Wen ; Lu, Hai-Qin ; Lan, Yu-Wei ; Li, Kai

International journal of biological macromolecules, 2023-02, Vol.229, p.1054-1068 [Periódico revisado por pares]

Netherlands: Elsevier B.V

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  • Título:
    (3-Chloro-2-hydroxypropyl) trimethylammonium chloride and polyethyleneimine co-modified pomelo peel cellulose-derived aerogel for remelt syrup decolorization in sugar refining
  • Autor: Zhou, Li-Shu ; Xiong, Yan-Shu ; Jia, Ran ; Li, Ming-Xing ; Fan, Bo-Huan ; Tang, Jia-Yi ; Li, Wen ; Lu, Hai-Qin ; Lan, Yu-Wei ; Li, Kai
  • Assuntos: Adsorption ; Adsorption mechanism ; Amines ; Cellulose ; Chlorides ; Hypromellose Derivatives ; Polyethyleneimine ; Pomelo peel ; Quantum chemical calculations ; Sugars
  • É parte de: International journal of biological macromolecules, 2023-02, Vol.229, p.1054-1068
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: The crucial need for quality refined sugar has led to the development of advanced adsorbents, with a focus on the decolorization of remelt syrup. In this study, (3-chloro-2-hydroxypropyl) trimethylammonium chloride and polyethyleneimine co-modified pomelo peel cellulose-derived aerogel (CP-PPA) was fabricated, and synthetic melanoidins were used as model colorants of remelt syrup to evaluate the validity and practicality of CP-PPA for eliminating colored impurities. Integrating abundant amine-functionalized groups (quaternary ammonium and protonated amine) within the pomelo peel-derived aerogel directionally captured electronegative melanoidins via electrostatic interactions. Furthermore, the active sites, types, and relative strength of the weak interactions between CP-PPA and melanoidins were determined using density functional theory simulations. CP-PPA exhibited an excellent equilibration adsorbing capacity for capturing melanoidins of 749.51 mg/g, and a removal efficiency of 93.69 %. Additionally, the adsorption mechanism was thoroughly examined in an effort to improve the economy of the sugar refinement industry. [Display omitted] •Pomelo peel was exploited to make cost-effective and non-toxic aerogel.•Well-developed porous network-like CP-PPA was prepared and characterized.•The absorption mechanism was deciphered by the phenomenological models.•The possible donor–acceptor adsorption relationship was vividly presented.
  • Editor: Netherlands: Elsevier B.V
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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