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논문 기본 정보

자료유형
학술저널
저자정보
In Chan Hwang (Woosong University) Se Jin In (Woosong University)
저널정보
한국청정기술학회 청정기술 청정기술 제26권 제4호
발행연도
2020.12
수록면
279 - 285 (7page)

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초록· 키워드

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Laboratories and industrial processes typically involve the use of flammable substances. An important property used to estimate fire and explosion risk for a flammable liquid is the flash point. In this study, flash point data at 101.3 kPa were determined using a SETA closed cup flash point tester on the following solvent mixtures: {2,2,4-trimethylpentane + methylcyclohexane}, {2,2,4-trimethylpentane + ethylbenzene}, and {2,2,4-trimethylpentane + p-xylene}. The purpose of this work is to obtain flash point data for binary mixtures of 2,2,4-trimethylpentane with three hydrocarbons (methylcyclohexane, ethylbenzene, and p-xylene), which are representative compounds of the main aromatic hydrocarbon fractions of petroleum. The measured flash points are compared with the predicted values calculated using the G<SUP>E</SUP> models’ activity coefficient patterns: the Wilson, the Non-Random Two-Liquid (NRTL), and the UNIversal QUAsiChemical (UNIQUAC) models. The non-ideality of the mixture is also considered. The average absolute deviation between the predicted and measured lower flash point s is less than 1.99 K, except when Raoult’s law is calculated. In addition, the minimum flash point behavior is not observed in any of the three binary systems. This work’s predicted results can be applied to design safe petrochemical processes, such as identifying safe storage conditions for non-ideal solutions containing volatile components.

목차

Abstract
1. Introduction
2. Material and Methods
3. Results and Discussion
4. Conclusions
References

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