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- Title
THERMODYNAMIC, HYDRODYNAMIC, PARTICLE DYNAMIC, AND EXPERIMENTAL ANALYSES OF SILICA NANOPARTICLES SYNTHESIS IN DIFFUSION FLAME.
- Authors
Hong, R. Y.; Feng, B.; Ren, Z. Q.; Xu, B.; Li, H. Z.; Zheng, Y.; Ding, J.; Wei, D. G.
- Abstract
Using silicon tetrachloride as a precursor, the silica nanoparticles (NPs) were synthesized in the diffusion flame of air and liquid petrol gas (LPG). Different effects on flame shape and temperature, silicon tetrachloride conversion, major gas-phase compositions, and diameter of silica NPs were obtained via thermodynamic, hydrodynamic, or particle-dynamic approaches. The size of silica NPs decreased with the increasing air-flow rate, increased with the increasing LPG flow rate, and increased obviously with the increasing evaporator temperature. The size of the synthesized silica NPs is about 25-30 nm at an optimal condition.
- Subjects
THERMODYNAMICS; SILICON; TETRACHLORIDES; SILICA; NANOPARTICLES; DIFFUSION of innovations; FLAME
- Publication
Canadian Journal of Chemical Engineering, 2009, Vol 87, Issue 1, p143
- ISSN
0008-4034
- Publication type
Article
- DOI
10.1002/cjce.20137