Nuclear Engineering and Technology (Apr 2016)

Solubility Study of Nickel Ferrite in Boric Acid Using a Flow-Through Autoclave System under High Temperature and High Pressure

  • Yong Joon Park,
  • Ke-Chon Choi,
  • Yeong-Keong Ha

DOI
https://doi.org/10.1016/j.net.2016.01.001
Journal volume & issue
Vol. 48, no. 2
pp. 554 – 558

Abstract

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The solubility of nickel ferrite in an aqueous solution of boric acid was studied by varying the pH at the temperatures ranging from 25°C to 320°C. A flow-through autoclave system was specially designed and fabricated to measure the solubility of Fe in hydrothermal solutions under high temperature and pressure. The performance of this flow-through system was directly compared with the conventional static state technique using a batch-type autoclave system. The stability of fluid velocity for the flow-through autoclave system was verified prior to the solubility measurement. The influence of chemical additives, such as boric acid and H2, on the solubility of nickel ferrite was also evaluated.

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