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  • 1 National Yunlin University of Science and Technology (NYUST) Doctoral Candidate, Graduate School of Engineering Science and Technology, Touliu, Yunlin Taiwan, ROC 64002 123, University Rd., Sec. 3 Touliu, Yunlin Taiwan, ROC 64002 123, University Rd., Sec. 3
  • | 2 National Yunlin University of Science and Technology (NYUST) Process Safety and Disaster Prevention Laboratory, Department of Safety, Health, and Environmental Engineering Touliu, Yunlin Taiwan, ROC 64002 123, University Rd., Sec. 3 Touliu, Yunlin Taiwan, ROC 64002 123, University Rd., Sec. 3
  • | 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. Houlong, Miaoli Taiwan, ROC 35664 1, Jen-Teh Rd.
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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 (Pmax), maximum explosion pressure rise (dP/dt)max, minimum oxygen concentration (MOC), vapor deflagration index (Kg), and characterized the influence of inert steam (H2O) on critical parameters for 3-picoline/water mixtures at 270C, 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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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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