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Abstract <p>A technology was developed, and a new sorption material based on silicon dioxide was produced. The modified method to synthesize monodisperse silica particles as alcohol sols with subsequent sedimentation stage allows the production of monodisperse silica particles with ordered structures formed into a three-dimensional lattice. The block structures are packed via supercritical drying in an autoclave. This allows the material to transform into a vaporous aggregate state without the cavitation effect to form a supercritical fluid. Monodisperse silica spheres with identical dimensions were obtained after hardening the material under high temperatures and pressure. This determined their strength (Vickers hardness ≈100) and high porosity (≈33%). The sorption properties of the new material were tested during the purification of industrial wastewater from a process plant for processing industrial raw materials.</p>

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A New SiO2 Sorption Material for Wastewater Treatment in Plant-Based Raw Material Processing

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • A. I. Puzynin,
  • K. A. Taraskin,
  • D. S. Orlov,
  • E. K. Barnashova,
  • E. A. Vertikova

摘要

Abstract

A technology was developed, and a new sorption material based on silicon dioxide was produced. The modified method to synthesize monodisperse silica particles as alcohol sols with subsequent sedimentation stage allows the production of monodisperse silica particles with ordered structures formed into a three-dimensional lattice. The block structures are packed via supercritical drying in an autoclave. This allows the material to transform into a vaporous aggregate state without the cavitation effect to form a supercritical fluid. Monodisperse silica spheres with identical dimensions were obtained after hardening the material under high temperatures and pressure. This determined their strength (Vickers hardness ≈100) and high porosity (≈33%). The sorption properties of the new material were tested during the purification of industrial wastewater from a process plant for processing industrial raw materials.