AEROSOL FORMATION OF VOC BY OZONE IN INDOOR AIR

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  • 室内空気中のオゾンによるVOCの粒子生成
  • シツナイ クウキ チュウ ノ オゾン ニ ヨル VOC ノ リュウシ セイセイ

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Abstract

It becomes a problem that reactions between volatile organic compounds (VOC) and oxidants (e.g., ozone) in indoor air form reactive products such as aldehydes, acids, nano meter size particles and etc. This paper reports on the effects of secondary pollution by the reactions between ozone and selected VOC such as limonene and toluene in indoor air. At first, ozone was generated in the room that had a commercial air freshener, then particle concentrations were monitored. The limonene concentration decreased, while particle concentrations increased. The reactive VOC and ozone reaction may cause the source of indoor air pollutants, such as nano size particles. Secondary, the ozone and VOC mixture experiment was undertaken in order to evaluate the secondary air pollution. The result showed a decrease of reactants together with a reduction in the products of the generated reactants.

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