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Flammability studies of 3-methyl pyridine/water system

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Abstract

In industrial processes, information on the safety property of chemicals is essentially crucial for safe handling during unit operations. Ensuring the safe use of combustible or flammable substances in processes is unlikely without detailed investigations of their flammability characteristics and related hazards. We studied 3-methyl pyridine (3-picoline), e.g., flammability limits (LFL/UFL), maximum explosion pressure (P max), maximum explosion pressure rise (dP/dt)max, minimum oxygen concentration (MOC), vapor deflagration index (K g), and characterized the influence of inert steam (H2O) on critical parameters for 3-picoline/water mixtures at 270°C, 1 atm, various oxygen concentrations, and vapor mixing ratios (100/0, 30/70, 10/90 and 5/95 vol.%) with a 20-L-Apparatus in simulated conditions, respectively.

The results showed that the flammability characteristics of 3-picoline(aq) all increased with the oxygen concentration. However, as the composition of inert steam increased, the flammability parameters and the degree of fire and explosion hazards were significantly reduced, instead. This study elucidated the flammability properties of 3-picoline mixed with inert steam. The conclusions could be applied to proactively prevent the relevant processes from incurring fire and explosion accidents.

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Authors and Affiliations

  1. Doctoral Candidate, Graduate School of Engineering Science and Technology, , National Yunlin University of Science and Technology (NYUST), Touliu, Yunlin, Taiwan, ROC, 64002, 123, University Rd., Sec. 3

    Yun R.-L.

  2. Process Safety and Disaster Prevention Laboratory, Department of Safety, Health, and Environmental Engineering, National Yunlin University of Science and Technology (NYUST), Touliu, Yunlin, Taiwan, ROC, 64002, 123, University Rd., Sec. 3

    Chang Y.-M., Lin C.-H. & Shu C.-M.

  3. Department of Occupational Safety and Health, Jen-Teh Junior College of Medicine, Nursing and Management, Houlong, Miaoli, Taiwan, ROC, 35664, 1, Jen-Teh Rd.

    Hu K.-H.

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  1. Yun R.-L.
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  2. Chang Y.-M.
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  3. Lin C.-H.
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  4. Hu K.-H.
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  5. Shu C.-M.
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Correspondence to Shu C.-M..

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Yun, RL., Chang, YM., Lin, CH. et al. Flammability studies of 3-methyl pyridine/water system. J Therm Anal Calorim 85, 107–113 (2006). https://doi.org/10.1007/s10973-005-7363-7

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  • DOI: https://doi.org/10.1007/s10973-005-7363-7

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