Effect of Ultrasonic Irradiation on Hydration of MgO Powder

Naoya Enomoto; Masumi Katsumoto; Zenbe e. Nakagawa

doi:10.2497/jjspm.40.713

Effect of Ultrasonic Irradiation on Hydration of MgO Powder

Naoya Enomoto, Masumi Katsumoto, Zenbe e. Nakagawa

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

High-power ultrasound was applied during the hydration of MgO fine powders in order to see the effect of ultrasound in a heterogeneous fluid where the dissolution of MgO particles and the precipitation of Mg(OH)₂ are included. The results obtained showed that the irradiation of ultrasound fairly promotes the dissolution of MgO, which is the rate-determining step in the reaction, and that it promotes the nucleation of Mg(OH)₂, which has resulted in the reduction of crystallite sizes of the Mg(OH)₂ precipitated.

Original language	English
Pages (from-to)	713-717
Number of pages	5
Journal	Journal of the Japan Society of Powder and Powder Metallurgy
Volume	40
Issue number	7
DOIs	https://doi.org/10.2497/jjspm.40.713
Publication status	Published - 1993

All Science Journal Classification (ASJC) codes

Mechanical Engineering
Industrial and Manufacturing Engineering
Metals and Alloys
Materials Chemistry

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abstract = "High-power ultrasound was applied during the hydration of MgO fine powders in order to see the effect of ultrasound in a heterogeneous fluid where the dissolution of MgO particles and the precipitation of Mg(OH)2 are included. The results obtained showed that the irradiation of ultrasound fairly promotes the dissolution of MgO, which is the rate-determining step in the reaction, and that it promotes the nucleation of Mg(OH)2, which has resulted in the reduction of crystallite sizes of the Mg(OH)2 precipitated.",

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AB - High-power ultrasound was applied during the hydration of MgO fine powders in order to see the effect of ultrasound in a heterogeneous fluid where the dissolution of MgO particles and the precipitation of Mg(OH)2 are included. The results obtained showed that the irradiation of ultrasound fairly promotes the dissolution of MgO, which is the rate-determining step in the reaction, and that it promotes the nucleation of Mg(OH)2, which has resulted in the reduction of crystallite sizes of the Mg(OH)2 precipitated.

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Effect of Ultrasonic Irradiation on Hydration of MgO Powder

Abstract

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