Synthesis of magnesium hydroxide nanoparticles by spontaneous chemical reaction between aerosolized phases at room temperature conditions

A.P. Reverberi; M. Vocciante; M. Salerno; O. Soda; B. Fabiano

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Synthesis of magnesium hydroxide nanoparticles by spontaneous chemical reaction between aerosolized phases at room temperature conditions

Updated：2026-08-24

- Synthesis of magnesium hydroxide nanoparticles by spontaneous chemical reaction between aerosolized phases at room temperature conditions
- Chinese Journal of Chemical Engineering Vol. 94, Issue 6, Pages: 268-279(2026)
- Affiliations：
  
  Department of Chemistry and Industrial Chemistry, Genoa University, via Dodecaneso 31, 16146 Genoa, Italy
  Department of Physics, Genoa University, via Dodecaneso 33, 16146 Genoa, Italy
  Department of Civil, Chemical and Environmental Engineering, Polytechnic School, Genoa University, via Opera Pia 15, 16145 Genoa, Italy
- Author bio：
  
  Corresponding author. E-mail address: brown@unige.it(B. Fabiano)
- Funds：
- DOI：
  CLC：
- Received：18 September 2025，
  
  Revised：2026-01-09，
  
  Accepted：12 January 2026，
  
  Online First：14 February 2026，
  
  Published：2026-06
- Accepted：
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A.P. Reverberi, M. Vocciante, M. Salerno, et al. Synthesis of magnesium hydroxide nanoparticles by spontaneous chemical reaction between aerosolized phases at room temperature conditions[J]. Chinese Journal of Chemical Engineering, 2026, 94(6): 268-279.
DOI：

A.P. Reverberi, M. Vocciante, M. Salerno, et al. Synthesis of magnesium hydroxide nanoparticles by spontaneous chemical reaction between aerosolized phases at room temperature conditions[J]. Chinese Journal of Chemical Engineering, 2026, 94(6): 268-279. DOI：

摘要

Abstract

A flameless method for the synthesis of nanoparticles at room temperature by coalescence of aerosolized droplets inducing a spontaneous chemical reaction between precursors is presented. The process is tested for the production of magnesium hydroxide nanoparticles at room temperature with an experimental setup based on pneumatic atomizers

condense collectors

mixers and a scrubber separator quenching the process of nanoparticle aggregation and collecting the final product in an aqueous dispersion recycled to the spray tower by a closed pressurized circuit. The solid phase is characterized for shape and composition by field emission scanning electron microscopy and for dimension by dynamic light scattering

with average diameters in a range of 29-62 nm. It is shown that the quality of the final product is affected by the volume of the reaction chamber and the concentration of the reagents in the aerosolized droplets. The process does not require the use of capping agents and/or surfactants aiming at damping particles aggregation and it allow obtaining an uncontaminated product whose composition makes it particularly attractive for specific applications where a high purity is needed

like biochemistry

pharmaceutics and theranostics. The mild operating conditions

the low energy demand and relatively low cost of the required equipment allow including this technique in the context of green

inherent safer and sustainable processes for nanoparticles synthesis.

关键词

Keywords

references

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