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A study on the fabrication of lithium carbonation powder by gas-liquid reaction using ultrasonic energy

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2020, 30(2), pp.55-60
  • DOI : 10.6111/JKCGCT.2020.30.2.055
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : March 30, 2020
  • Accepted : April 2, 2020
  • Published : April 30, 2020

Kim Dae Weon 1 Bo-Ram Kim 2 Hee-Lack Choi 3

1고등기술연구원연구조합
2고등기술연구원 신소재공정센터
3부경대학교

Accredited

ABSTRACT

In the previous study, we reported the result to prepare lithium carbonate powder from various lithium-containedsolution. Therefore, using the lithium hydroxide solution, it is conformed that the reaction could occur thermodynamically,and the recovery rate of lithium was 89.4 %. In this study, we carried out the experiment to prepare lithium carbonate powderthrough gas-liquid reactions with lithium hydroxide solution and CO2 gas using ultrasound energy. In case ultrasonic energyis applied to the reaction of lithium carbonate, the recovery rate of lithium at room temperature was approximately 83.8 %,and the recovery rate of lithium was greatly increased to approximately 99.9 % at 60 oC reaction temperature. And whenultrasonic energy is not applied, the particle size of lithium carbonate powder was 7.7µm in D50. But the particle size oflithium carbonate powder was significantly reduced to 8.4 µm in D50 under the influence of ultrasonic.

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