Authors:
Y. Chang National Yunlin University of Science and Technology (NYUST) Doctoral Program, Graduate School of Engineering Science and Technology 123, University Rd., Sec. 3 Douliou, Yunlin, Taiwan 64002 ROC

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J. Lee Health and Environmental Engineering, NYUST Process Safety and Disaster Prevention Laboratory, Department of Safety 123, University Rd., Sec. 3 Douliou, Yunlin, Taiwan 64002 ROC

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S. Wu Health and Environmental Engineering, NYUST Process Safety and Disaster Prevention Laboratory, Department of Safety 123, University Rd., Sec. 3 Douliou, Yunlin, Taiwan 64002 ROC

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C. Chen China Medical University Department of Occupational Safety and Health 91 Hsueh-Shih Rd. Taichung, Taiwan 40402 ROC

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C. Shu

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Abstract  

Flammable chemicals are frequently encountered in industrial processes. Under the safe operation basis and for fire/explosion danger prevention, it is imperative to recognize the flammability characteristics of these processes, especially under the working scenarios for elevated pressure and temperature. This study was conducted to investigate fire and explosion properties, including the explosion limits (LEL and UEL), maximum explosion overpressure (Pmax), maximum rate of explosion pressure rise (dP/dt)max, gas or vapor deflagration index (Kg) and explosion class (St) of various acetone/water solutions (100, 75, 50 and 25 vol.%) at higher initial pressure/temperature up to 2 atm and 200°C via a 20-L-Apparatus. We further discussed the safety-related parameters and fire/explosion damage degree variations in the above aqueous acetone within 1 atm and 150°C. The results offered a successful solution for evaluating the flammability hazard effect in such a relevant crucial process with elevated pressure and temperature.

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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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