Journal of the Korean Society of Safety (한국안전학회지)

The Korean Society of Safety (한국안전학회)
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Minimum Autoignition Temperature Behavior(MAITB) of the Flammable Binary Systems

가연성 이성분계의 최소자연발화온도 거동(MAITB)

  • Ha, Dong-Myeong (Department of Occupational Health and Safety Engineering, Semyung University) ;
  • Lee, Sung-Jin (Department of Clinical Laboratory Science, Semyung University)
  • 하동명 (세명대학교 보건안전공학과) ;
  • 이성진 (세명대학교 임상병리학과)
  • Published : 2008.12.31
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Abstract

The values of the AIT(Autoignition temperature) for fire and explosion protection are normally the lowest reported. The minimum autoignition temperature behavior(MAITB) of flammable liquid mixtures is exhibited when the AIT of mixture is below the AIT of the individual components. The MAITB is an interesting experimental features, which can be significant from the perspective of industrial safety. In this study, the AITs of m-xylene+n-butyric acid and ethylbenzene+n-butanol systems were measured using ASTM E659-78 apparatus. The AITs of m-xylene, n-butyric acid, ethylbenzene and n-butanol which constituted two binary systems were $587^{\circ}C$, $510^{\circ}C$, $475^{\circ}C$ and $340^{\circ}C$ respectively. The m-xylene+n-butyric acid system is exhibited MAITB at 0.3 mole fraction of m-xylene, and its minimum autoignition temperature was $460^{\circ}C$.

Keywords

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