• Title/Summary/Keyword: 2-Propanol+-n-propionic acid system

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Experimental Determination of Closed Cup Flash Point of Binary Flammable Solutions, 2-Propanol+Propionic acid and n-Hexanol+Formic Acid Solutions (가연성 이성분계 용액인 2-Propanol+Propionic acid 와 n-Hexanol+Formic acid 용액의 밀폐식 인화점의 실험적 결정)

  • Ha, Dong-Myeong;Lee, Sungjin
    • Journal of the Korean Institute of Gas
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    • v.19 no.3
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    • pp.18-24
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    • 2015
  • The flash point is one of the most important indicators of the flammabiliy of liquid solutions. The flash point is the lowest temperature at which there is enough concentration of flammable vapor to form an ignitable mixture with air. In this study the flash points of binary flammable solutions, 2-propanol+propionic acid and n-hexanol+formic acid systems, were measured using Seta flash closed cup tester. Particularly n-hexanol+formic acid system exhibited minimum flash point behavior. The measured values were compared with the calculated values using Raoult's law and optimization method. The calculated data by optimization method described the measured values more effectively than those calculated by Raoult's law.

The Measurement and Estimation of Lower Flash Point for 2-Propanol+Acid Systems Using Cleveland Open Cup Apparatus (클리브랜드 개방식 장치를 이용한 2-propanol+acid류 계의 하부 인화점 측정 및 예측)

  • Ha, Dong-Myeong;Lee, Sung-Jin
    • Fire Science and Engineering
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    • v.21 no.4
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    • pp.32-37
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    • 2007
  • An accurate knowledge of the flash point is important in developing appropriate preventive and control measures in industrial fire protection. The lower flash points for the 2-propanol+acetic acid and 2-propanol+-n-propionic acid systems were measured by Cleveland open cup apparatus. The experimental data were compared with the values calculated by the Raoult's law, the Wilson equation and the NRTL(non random two liquids) equation. The calculated values based on the Wilson and NRTL equations were found to be better than those based on the Raoult's law. And the predictive curve of the flash point prediction model, based on NRTL equation described the experimentally-derived data were more effective than the case of the Wilson equation.