High-rate production of non-agglomerated nanoparticles by flame synthesis

Y. J. Chen, N. G. Glumac, G. Skandan, B. H. Kear

Research output: Contribution to conferencePaperpeer-review


We have developed a continuous nanopowder production process, called Chemical Vapor Condensation (CVC), which involves precursor pyrolysis and condensation in a reduced pressure environment. We have further introduced a flat-flame combustor unit, operable at low pressures, as a heat source in place of the original hot wall reactor. The modified process, called Combustion Flame-Chemical Vapor Condensation (CF-CVC), has been used to produce a range of non-agglomerated nanoparticles (3-50 nm average particle size) of oxide ceramics at very high production rate (≈ 50 g/hr). Examples include SiO2, Al2O3, and TiO2. In situ laser diagnostics, which is an essential part of process optimization, has been used to characterize the flame.

Original languageEnglish (US)
Number of pages6
StatePublished - 1997
Externally publishedYes
EventProceedings of the 1997 TMS Annual Meeting - Orlando, FL, USA
Duration: Feb 9 1997Feb 13 1997


OtherProceedings of the 1997 TMS Annual Meeting
CityOrlando, FL, USA

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys


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