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<p>The emerging technologies based on magnetic levitation and 3D printing manufacturing were utilized to create a sorbent retention platform&#xa0;as an alternative to traditional packed columns. The magnetic nanoscale sorbent was suspended in the aqueous solution in a 3D printed sorption cell placed between two permanent magnets. Simulations of hydrodynamic fluid and magnetic field were carried out to optimize the configuration and positioning of the sorption cell. The developed platform ensures uniform distribution of the sorbent in the cell’s volume and retention under dynamic conditions. The efficiency of palladium solid-phase extraction in a flow mode was demonstrated using modified magnetite nanoparticles. A high concentration factor can be achieved using the spiral shape of the cell with 50–100&#xa0;mg of the suspended sorbent. The results of the spectrometric determination of trace amounts of palladium in natural water are given. An automated system for environmental analysis based on the proposed platform is promising.&#xa0;</p> Graphical abstract <p></p>

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Sorbent magnetic levitation in the 3D printed platform

  • 期刊论文

  • 发表日期：

    2025年4月8日

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  • Olga Mokhodoeva,
  • Valeriia Maksimova,
  • Tatiana Danilova,
  • Denis Trofimov,
  • Artem Krivenko,
  • Valery Shkinev

摘要

The emerging technologies based on magnetic levitation and 3D printing manufacturing were utilized to create a sorbent retention platform as an alternative to traditional packed columns. The magnetic nanoscale sorbent was suspended in the aqueous solution in a 3D printed sorption cell placed between two permanent magnets. Simulations of hydrodynamic fluid and magnetic field were carried out to optimize the configuration and positioning of the sorption cell. The developed platform ensures uniform distribution of the sorbent in the cell’s volume and retention under dynamic conditions. The efficiency of palladium solid-phase extraction in a flow mode was demonstrated using modified magnetite nanoparticles. A high concentration factor can be achieved using the spiral shape of the cell with 50–100 mg of the suspended sorbent. The results of the spectrometric determination of trace amounts of palladium in natural water are given. An automated system for environmental analysis based on the proposed platform is promising. 

Graphical abstract