Analysis of iron particle growth in aerosol reactor by a discrete-sectional model

Moniruzzaman, Chowdhury G.; Park, Hoey G.; Park, Kyun Y.

doi:10.1007/s11814-007-5051-y

Cited by 7 publications

(1 citation statement)

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“…(Cho and Choi, 2000;Akurati et al, 2006) The decrease of the primary particle size was attributed to an insufficient sintering time (Mueller et al, 2004) or to a lower precursor conversion (Akurati et al, 2006), due to a reduction in flame size. We raise a conjecture that the agglomerates admitted into the sintering-coalescence zone were probably smaller, as reported for a synthesis of iron particles by thermal decomposition of iron pentacarbonyl (Moniruzzaman et al, 2007), or the fragmentation rate of the aggregates was higher. Further studies are necessary to clarify the reason for the decrease of primary particle size under the sinteringcoalescence regime.…”

Section: Temperature and Residence Timesupporting

confidence: 62%

Control of Particle Morphology and Size in Vapor-Phase Synthesis of Titania, Silica and Alumina Nanoparticles

Park

2015

KONA

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Previous studies on vapor-phase synthesis of titania (TiO 2), silica (SiO 2), and alumina (Al 2 O 3) nanoparticles were reviewed. Interactions between physicochemical phenomena involved in the particle growth and the operating variables were investigated. Strategies to produce non-aggregated spherical particles of the metal oxides are discussed. Model predictions based on the sintering laws without any adjustments in the sintering parameters rarely agreed with experimental data. There remains more to be understood in reaction and nucleation kinetics, sintering, and fragmentation mechanisms until the technology is developed to the stage of designing reactors for mass production of non-aggregated spherical particles for titania, silica and alumina

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