Effects of particle size and oil-immersed concentration on the dust layer minimum ignition temperature and combustion characteristics of oil-immersed coal
This paper studied the minimum ignition temperature of the dust layer (MITL) of oil-immersed coal and the heat effect and apparent activation energy ( E a ) of raw coal and oil-immersed coal. Based upon the results, the addition of crude oil to coal could reduce the MITL, ameliorate the ignition sen...
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| Veröffentlicht in: | Journal of thermal analysis and calorimetry 2024-09, Vol.149 (18), p.10297-10309 |
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| creator | Luo, Zhenmin Yang, Yong Ding, Xuhan Luo, Chuanxu Zhang, Fan Zhang, Man Shu, Chi-Min |
| description | This paper studied the minimum ignition temperature of the dust layer (MITL) of oil-immersed coal and the heat effect and apparent activation energy (
E
a
) of raw coal and oil-immersed coal. Based upon the results, the addition of crude oil to coal could reduce the MITL, ameliorate the ignition sensitivity, and increase the heat effect of coal dust. The average
E
a
of oil-immersed coal was lower than that of raw coal. When there was a 10.8 mass% oil-immersed concentration of oil-immersed coal with the most acceptable particle size (≤ 75 μm), the MITL was 24.24% lower than that of raw coal. Furthermore, the exothermic value of oil-immersed coal was 26.67% higher than that of raw coal. Besides, the average
E
a
of oil-immersed coal was 26.8% lower than that of raw coal. The research herein is expected to improve people’s understanding of the thermal hazard characteristics of oil-immersed coal dust, reduce the risk of coal dust fires and explosions, and ensure production safety.
Graphical Abstract |
| doi_str_mv | 10.1007/s10973-024-13353-8 |
| format | Article |
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E
a
) of raw coal and oil-immersed coal. Based upon the results, the addition of crude oil to coal could reduce the MITL, ameliorate the ignition sensitivity, and increase the heat effect of coal dust. The average
E
a
of oil-immersed coal was lower than that of raw coal. When there was a 10.8 mass% oil-immersed concentration of oil-immersed coal with the most acceptable particle size (≤ 75 μm), the MITL was 24.24% lower than that of raw coal. Furthermore, the exothermic value of oil-immersed coal was 26.67% higher than that of raw coal. Besides, the average
E
a
of oil-immersed coal was 26.8% lower than that of raw coal. The research herein is expected to improve people’s understanding of the thermal hazard characteristics of oil-immersed coal dust, reduce the risk of coal dust fires and explosions, and ensure production safety.
Graphical Abstract</description><identifier>ISSN: 1388-6150</identifier><identifier>EISSN: 1588-2926</identifier><identifier>DOI: 10.1007/s10973-024-13353-8</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Analytical Chemistry ; Chemistry ; Chemistry and Materials Science ; Coal ; Coal dust ; Dust ; Explosions ; High temperature effects ; Ignition temperature ; Inorganic Chemistry ; Measurement Science and Instrumentation ; Particle size ; Physical Chemistry ; Polymer Sciences</subject><ispartof>Journal of thermal analysis and calorimetry, 2024-09, Vol.149 (18), p.10297-10309</ispartof><rights>Akadémiai Kiadó, Budapest, Hungary 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c200t-d7e4fe53e3e60fdf64cbc0fb830fbd957097e13427782875f5d6dc3ad3621cb13</cites><orcidid>0000-0001-9455-6162</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10973-024-13353-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10973-024-13353-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Luo, Zhenmin</creatorcontrib><creatorcontrib>Yang, Yong</creatorcontrib><creatorcontrib>Ding, Xuhan</creatorcontrib><creatorcontrib>Luo, Chuanxu</creatorcontrib><creatorcontrib>Zhang, Fan</creatorcontrib><creatorcontrib>Zhang, Man</creatorcontrib><creatorcontrib>Shu, Chi-Min</creatorcontrib><title>Effects of particle size and oil-immersed concentration on the dust layer minimum ignition temperature and combustion characteristics of oil-immersed coal</title><title>Journal of thermal analysis and calorimetry</title><addtitle>J Therm Anal Calorim</addtitle><description>This paper studied the minimum ignition temperature of the dust layer (MITL) of oil-immersed coal and the heat effect and apparent activation energy (
E
a
) of raw coal and oil-immersed coal. Based upon the results, the addition of crude oil to coal could reduce the MITL, ameliorate the ignition sensitivity, and increase the heat effect of coal dust. The average
E
a
of oil-immersed coal was lower than that of raw coal. When there was a 10.8 mass% oil-immersed concentration of oil-immersed coal with the most acceptable particle size (≤ 75 μm), the MITL was 24.24% lower than that of raw coal. Furthermore, the exothermic value of oil-immersed coal was 26.67% higher than that of raw coal. Besides, the average
E
a
of oil-immersed coal was 26.8% lower than that of raw coal. The research herein is expected to improve people’s understanding of the thermal hazard characteristics of oil-immersed coal dust, reduce the risk of coal dust fires and explosions, and ensure production safety.
Graphical Abstract</description><subject>Analytical Chemistry</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Coal</subject><subject>Coal dust</subject><subject>Dust</subject><subject>Explosions</subject><subject>High temperature effects</subject><subject>Ignition temperature</subject><subject>Inorganic Chemistry</subject><subject>Measurement Science and Instrumentation</subject><subject>Particle size</subject><subject>Physical Chemistry</subject><subject>Polymer Sciences</subject><issn>1388-6150</issn><issn>1588-2926</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kc1KxDAUhYsoOI6-gKuA62rStE27lGH8AcGNrkOa3MxkaNKapIvxUXxaM1NBcCGE5IZ85xzIybJrgm8JxuwuENwymuOizAmlFc2bk2xBqqbJi7aoT9NM01yTCp9nFyHsMMZti8ki-1prDTIGNGg0Ch-N7AEF8wlIOIUG0-fGWvABFJKDk-CiF9EMDqUVt4DUFCLqxR48ssYZO1lkNs4ckQh2hIRPfnaTg-0SfniSW-GFjOBNustj-p8s0V9mZ1r0Aa5-zmX2_rB-Wz3lL6-Pz6v7l1wWGMdcMSg1VBQo1FgrXZeyk1h3DU2baiuWfgYILQvGmqJhla5UrSQVitYFkR2hy-xm9h398DFBiHw3TN6lSE4JrlnStmWiipmSfgjBg-ajN1b4PSeYHzrgcwc8dcCPHfAmiegsCgl2G_C_1v-ovgHu744U</recordid><startdate>20240901</startdate><enddate>20240901</enddate><creator>Luo, Zhenmin</creator><creator>Yang, Yong</creator><creator>Ding, Xuhan</creator><creator>Luo, Chuanxu</creator><creator>Zhang, Fan</creator><creator>Zhang, Man</creator><creator>Shu, Chi-Min</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0001-9455-6162</orcidid></search><sort><creationdate>20240901</creationdate><title>Effects of particle size and oil-immersed concentration on the dust layer minimum ignition temperature and combustion characteristics of oil-immersed coal</title><author>Luo, Zhenmin ; Yang, Yong ; Ding, Xuhan ; Luo, Chuanxu ; Zhang, Fan ; Zhang, Man ; Shu, Chi-Min</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c200t-d7e4fe53e3e60fdf64cbc0fb830fbd957097e13427782875f5d6dc3ad3621cb13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Analytical Chemistry</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Coal</topic><topic>Coal dust</topic><topic>Dust</topic><topic>Explosions</topic><topic>High temperature effects</topic><topic>Ignition temperature</topic><topic>Inorganic Chemistry</topic><topic>Measurement Science and Instrumentation</topic><topic>Particle size</topic><topic>Physical Chemistry</topic><topic>Polymer Sciences</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Luo, Zhenmin</creatorcontrib><creatorcontrib>Yang, Yong</creatorcontrib><creatorcontrib>Ding, Xuhan</creatorcontrib><creatorcontrib>Luo, Chuanxu</creatorcontrib><creatorcontrib>Zhang, Fan</creatorcontrib><creatorcontrib>Zhang, Man</creatorcontrib><creatorcontrib>Shu, Chi-Min</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of thermal analysis and calorimetry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Luo, Zhenmin</au><au>Yang, Yong</au><au>Ding, Xuhan</au><au>Luo, Chuanxu</au><au>Zhang, Fan</au><au>Zhang, Man</au><au>Shu, Chi-Min</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of particle size and oil-immersed concentration on the dust layer minimum ignition temperature and combustion characteristics of oil-immersed coal</atitle><jtitle>Journal of thermal analysis and calorimetry</jtitle><stitle>J Therm Anal Calorim</stitle><date>2024-09-01</date><risdate>2024</risdate><volume>149</volume><issue>18</issue><spage>10297</spage><epage>10309</epage><pages>10297-10309</pages><issn>1388-6150</issn><eissn>1588-2926</eissn><abstract>This paper studied the minimum ignition temperature of the dust layer (MITL) of oil-immersed coal and the heat effect and apparent activation energy (
E
a
) of raw coal and oil-immersed coal. Based upon the results, the addition of crude oil to coal could reduce the MITL, ameliorate the ignition sensitivity, and increase the heat effect of coal dust. The average
E
a
of oil-immersed coal was lower than that of raw coal. When there was a 10.8 mass% oil-immersed concentration of oil-immersed coal with the most acceptable particle size (≤ 75 μm), the MITL was 24.24% lower than that of raw coal. Furthermore, the exothermic value of oil-immersed coal was 26.67% higher than that of raw coal. Besides, the average
E
a
of oil-immersed coal was 26.8% lower than that of raw coal. The research herein is expected to improve people’s understanding of the thermal hazard characteristics of oil-immersed coal dust, reduce the risk of coal dust fires and explosions, and ensure production safety.
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| issn | 1388-6150 1588-2926 |
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| subjects | Analytical Chemistry Chemistry Chemistry and Materials Science Coal Coal dust Dust Explosions High temperature effects Ignition temperature Inorganic Chemistry Measurement Science and Instrumentation Particle size Physical Chemistry Polymer Sciences |
| title | Effects of particle size and oil-immersed concentration on the dust layer minimum ignition temperature and combustion characteristics of oil-immersed coal |
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