STUDY ON THE PRODUCTION OF ULTRAFINE PARTICLES BY CHEMICAL REACTION BETWEEN OZONE AND TERPEXES EMITTED FROM CONIFER WOOD

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  • IWASHITA Go
    Dept. of Architecture, Faculty of Engineering, Musashi Institute of Technology
  • TSURUDOME Kyohei
    Sekisuiheim Kyushu Ltd.:(Former.)Kagoshima University

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  • 針葉樹木材から発生するテルペン類VOCとオゾンとの化学反応による超微粒子発生に関する研究
  • シンヨウジュ モクザイ カラ ハッセイスル テルペンルイ VOC ト オゾン トノ カガク ハンノウ ニ ヨル チョウビリュウシ ハッセイ ニ カンスル ケンキュウ

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Abstract

Full-scale chamber of test house was used to investigate the production of ultra fine particles by chemical reaction between ozone and terpenes from conifer wood products. This experiment involved placing samples of cedar wood, pinewood and cypress wood, and an ozone generator in one room of the test house. The indoor terpenes concentration with ozone emission was much lower than that without ozone emission. It was found that the higher the indoor ozone concentration, the lower the terpenes concentration. Theses terpenes might have been consumed by the reaction with ozone during the experiment. The concentration of ultra fine particles was increased after the ozone emission. The ultra fine particles might have been produced by the chemical reaction between zone and terpenes from wood products. The relationship between the production rates of the ultra fine particles and the ozone reaction rate constants of mono/sesqui-terpenes was determined.

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