Synthesis of ultrafine SiC from rice hulls (husks): A plasma process

L. Stachowicz, S. K. Singh, E. Wender, Steven L Girshick

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Heat-treated rice hulls have been used as precursor material for synthesis of ultrafne SiC in a RF plasma reactor. Rice hulls containing finely distributed silica and active carbon act as a source for SiC formation. The plasma-synthesized powder contained ultrafnc β-SiC with excess carbon and some unreacted silica. Post-treatment processes such as oxidation and acid (HF) treatment appear to be effective in removing the excess carbon and silica.

Original languageEnglish (US)
Pages (from-to)447-461
Number of pages15
JournalPlasma Chemistry and Plasma Processing
Volume13
Issue number3
DOIs
StatePublished - Sep 1 1993

Keywords

  • Rice hulls
  • thermal plasma synthesis: ultrafine SiC

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