Effects of moisture content on explosion characteristics of incense dust in incense factory

Incense is an indispensable material with religion and life in Asia. It is also a bridge of cultural expression and inheritance. Because the operating environment concentration of dust generated during the production process is considerable, most of the research pertaining to the hazard of incense f...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2022-02, Vol.147 (4), p.2885-2892
Main Authors: Chang, Shun-Chieh, Cheng, Yu-Chi, Zhang, Xin-Hai, Shu, Chi-Min
Format: Article
Language:English
Subjects:
Air pollution
Analysis
Analytical Chemistry
Chemistry
Chemistry and Materials Science
Drying ovens
Dust
Explosions
Factories
Hazard mitigation
High temperature
Industrial plants
Inorganic Chemistry
Measurement Science and Instrumentation
Moisture content
Ovens
Physical Chemistry
Polymer Sciences
Static electricity
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Summary:Incense is an indispensable material with religion and life in Asia. It is also a bridge of cultural expression and inheritance. Because the operating environment concentration of dust generated during the production process is considerable, most of the research pertaining to the hazard of incense factories has investigated air pollution, such as PM 2.5 , PM 10 , and VOCs. However, the production of incense causes dust dispersion, high temperature from ovens, and static electricity generated by friction. It can all possibly lead a dust explosion. To prevent and alleviate hazard from re-occurring, we used sandalwood dust at an incense factory in Taiwan, measured the effect of moisture content on the explosion parameters under normal conditions by 20-L apparatus, and used the oven to diminish its moisture content to 0%, 10.0%, and 15.0% as a control group to analyze the explosion characteristics at the different moisture contents, such as maximum explosion pressure and explosion limit. The results showed that the minimum ignition energy of dry dust was 30 mJ. Beyond doubt, incense factories face potential explosion hazards. The above results could be evaluated by the most dangerous range to avoid incense dust in this range at the workplace, lessening hazards caused by a dust explosion. The effect of moisture content on the suppression of the dust explosion was explored.
ISSN:1388-6150
1588-2926
DOI:10.1007/s10973-021-10588-7