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Gas-phase Synthesis of Nanoparticles

机译:纳米颗粒的气相合成

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The scaling-up of aerosol reactors is investigated for synthesis of nanoparticles. In specific, co-flow burners of different dimensions are studied at various precursor, oxidant and fuel flow rates. An operation line relating product particle size with reactant outlet conditions and burner size is developed showing how the different reactors can produce silica nanoparticles of the same size and morphology. This operation line shows the limit of fast reactant mixing where the diffusion flame aerosol reactors perform as premixed ones. An operation diagram relating product particle size with production rate and reactant outlet conditions is obtained and a scale-up procedure is developed.
机译:研究了气溶胶反应器的缩放,用于合成纳米颗粒。具体地,在各种前体,氧化剂和燃料流速下研究不同尺寸的混合燃烧器。开发与反应物出口条件和燃烧器尺寸相关的产品粒度和燃烧器尺寸的操作线表明不同的反应器如何产生相同尺寸和形态的二氧化硅纳米颗粒。该操作线显示了扩散火焰气溶胶反应器作为预混合的快速反应物混合的极限。获得了具有生产速率和反应物出口条件的产品粒度的操作图,并开发了比例。

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