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Synthesis of nano Cerium(IV) oxide from recycled Ce precusor

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2013, 23(2), pp.101-107
  • DOI : 10.6111/JKCGCT.2013.23.2.101
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering

강태희 1 Sang Man Koo 2 정충호 1 Kwangtaek Hwang 1 Woo-Kyu Kang 3

1한국세라믹기술원
2한양대학교
3(주)랜코

Accredited

ABSTRACT

Cerium compounds such as Cerium hydroxide (Ce(OH)3), Cerium chloride (CeCl3 · nH2O), Cerium carbonate hydrate (Ce2(CO3)3 · 8H2O), Cerium oxide (CeO2) were synthesized using recycled Ce precursor. Cerium(IV) oxide of nanoparticles were obtained by Ultra-sonication. Cerium-sodium- sulfate compound was synthesized through acid-leaching and addition of sodium sulfate from 99 wt% purity of Ce precursor as a starting material that was recycled from the waste polishing slurry. Moreover Cerium hydroxide was obtained from Cerium-sodium-sulfate compound by adding to sodium hydroxide solution. Then Cerium chloride was synthesized by adding of hydrochloric acid to Cerium hydroxide. Needleshaped Cerium carbonate hydrate was synthesized in the continuous process and Cerium(IV) oxide with 30~40 nm size was subsequently obtained by the calcinations and dispersion.

Citation status

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