Simultaneous SAXS-WAXS study on coking coal during high temperature carbonization
Coking coal is an important raw material for coke production. In this study, in an inert atmosphere, two Chinese coking coal samples were, respectively, heated gradually to 1200 °C to release volatile and form char and coke in succession, then cooled naturally to close room temperature to age the co...
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| Veröffentlicht in: | Carbon Letters 2023-03, Vol.33 (2), p.363-372 |
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| creator | Wang, Yuexiang Li, Zhihong Kong, Jiao Chang, Liping |
| description | Coking coal is an important raw material for coke production. In this study, in an inert atmosphere, two Chinese coking coal samples were, respectively, heated gradually to 1200 °C to release volatile and form char and coke in succession, then cooled naturally to close room temperature to age the coke. The whole heating and cooling process on carbonization were monitored in situ by simultaneous small and wide-angle X-ray scattering (SAXS-WAXS) technique based on a synchrotron radiation platform. The simultaneous structural changes of pore and skeleton in coal during carbonization are revealed for the first time. The two raw coal samples, with similar carbon content and slightly different coalification degree, undergone a carbonization process similar in whole and different in parts. The carbonization presents approximately three stages during heating process and one stage during cooling process. The coal structure changes wavily during heating and monotonously during cooling. The corresponding structural change mechanism is analyzed. |
| doi_str_mv | 10.1007/s42823-022-00437-4 |
| format | Article |
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In this study, in an inert atmosphere, two Chinese coking coal samples were, respectively, heated gradually to 1200 °C to release volatile and form char and coke in succession, then cooled naturally to close room temperature to age the coke. The whole heating and cooling process on carbonization were monitored in situ by simultaneous small and wide-angle X-ray scattering (SAXS-WAXS) technique based on a synchrotron radiation platform. The simultaneous structural changes of pore and skeleton in coal during carbonization are revealed for the first time. The two raw coal samples, with similar carbon content and slightly different coalification degree, undergone a carbonization process similar in whole and different in parts. The carbonization presents approximately three stages during heating process and one stage during cooling process. The coal structure changes wavily during heating and monotonously during cooling. The corresponding structural change mechanism is analyzed.</description><identifier>ISSN: 1976-4251</identifier><identifier>EISSN: 2233-4998</identifier><identifier>DOI: 10.1007/s42823-022-00437-4</identifier><language>eng</language><publisher>Singapore: Springer Nature Singapore</publisher><subject>Carbon ; Carbon content ; Carbonization ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Coal ; Coal mining ; Coke ; Coking ; Cooling ; Heating ; High temperature ; Inert atmospheres ; Materials Engineering ; Materials Science ; Nanotechnology ; Pore size ; Porous materials ; Radiation ; Rapid Communications ; Raw materials ; Room temperature ; Sensors ; Small angle X ray scattering ; Synchrotron radiation ; Synchrotrons ; Temperature ; X-ray scattering</subject><ispartof>Carbon Letters, 2023-03, Vol.33 (2), p.363-372</ispartof><rights>The Author(s), under exclusive licence to Korean Carbon Society 2022</rights><rights>The Author(s), under exclusive licence to Korean Carbon Society 2022.</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c347t-7f894e0b13d16cde64a2e036a5c522cec0dab5069b55459d80497508d8373da93</citedby><cites>FETCH-LOGICAL-c347t-7f894e0b13d16cde64a2e036a5c522cec0dab5069b55459d80497508d8373da93</cites><orcidid>0000-0002-5978-7894</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.proquest.com/docview/2921199871?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>315,782,786,21397,21398,21399,21400,23265,27933,27934,33539,33712,33753,34014,34323,43668,43796,43814,43962,44076,64394,64398,72478</link.rule.ids></links><search><creatorcontrib>Wang, Yuexiang</creatorcontrib><creatorcontrib>Li, Zhihong</creatorcontrib><creatorcontrib>Kong, Jiao</creatorcontrib><creatorcontrib>Chang, Liping</creatorcontrib><title>Simultaneous SAXS-WAXS study on coking coal during high temperature carbonization</title><title>Carbon Letters</title><addtitle>Carbon Lett</addtitle><description>Coking coal is an important raw material for coke production. In this study, in an inert atmosphere, two Chinese coking coal samples were, respectively, heated gradually to 1200 °C to release volatile and form char and coke in succession, then cooled naturally to close room temperature to age the coke. The whole heating and cooling process on carbonization were monitored in situ by simultaneous small and wide-angle X-ray scattering (SAXS-WAXS) technique based on a synchrotron radiation platform. The simultaneous structural changes of pore and skeleton in coal during carbonization are revealed for the first time. The two raw coal samples, with similar carbon content and slightly different coalification degree, undergone a carbonization process similar in whole and different in parts. The carbonization presents approximately three stages during heating process and one stage during cooling process. The coal structure changes wavily during heating and monotonously during cooling. The corresponding structural change mechanism is analyzed.</description><subject>Carbon</subject><subject>Carbon content</subject><subject>Carbonization</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Coal</subject><subject>Coal mining</subject><subject>Coke</subject><subject>Coking</subject><subject>Cooling</subject><subject>Heating</subject><subject>High temperature</subject><subject>Inert atmospheres</subject><subject>Materials Engineering</subject><subject>Materials Science</subject><subject>Nanotechnology</subject><subject>Pore size</subject><subject>Porous materials</subject><subject>Radiation</subject><subject>Rapid Communications</subject><subject>Raw materials</subject><subject>Room temperature</subject><subject>Sensors</subject><subject>Small angle X ray scattering</subject><subject>Synchrotron radiation</subject><subject>Synchrotrons</subject><subject>Temperature</subject><subject>X-ray scattering</subject><issn>1976-4251</issn><issn>2233-4998</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kE1LwzAYx4MoOOa-gKeC52hem-Y4hm8wEJmit5Am2VbXNTVpD_PTm1phnrzkyeH3f15-AFxidI0REjeRkYJQiAiBCDEqIDsBE0IohUzK4hRMsBQ5ZITjczCLsSpTiCKJaD4Bz6tq39edbpzvY7aav6_gW3qy2PX2kPkmM35XNZtUdJ3ZPgz_bbXZZp3bty7org8uMzqUvqm-dFf55gKcrXUd3ey3TsHr3e3L4gEun-4fF_MlNJSJDop1IZlDJaYW58a6nGni0kqaG06IcQZZXXKUy5JzxqUtEJOCo8IWVFCrJZ2Cq7FvG_xn72KnPnwfmjRSEUkwTqcLfKR2PjgdzdbXOhxJlkDME0VGygQfY3Br1YZqr8NBYaQGx2p0rJJj9eNYsRSiYyi2gxb3p-0_qW_JrX4L</recordid><startdate>20230301</startdate><enddate>20230301</enddate><creator>Wang, Yuexiang</creator><creator>Li, Zhihong</creator><creator>Kong, Jiao</creator><creator>Chang, Liping</creator><general>Springer Nature Singapore</general><general>한국탄소학회</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>KROLR</scope><scope>3V.</scope><scope>7XB</scope><scope>88I</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M2P</scope><scope>M7S</scope><scope>PATMY</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><orcidid>https://orcid.org/0000-0002-5978-7894</orcidid></search><sort><creationdate>20230301</creationdate><title>Simultaneous SAXS-WAXS study on coking coal during high temperature carbonization</title><author>Wang, Yuexiang ; Li, Zhihong ; Kong, Jiao ; Chang, Liping</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c347t-7f894e0b13d16cde64a2e036a5c522cec0dab5069b55459d80497508d8373da93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Carbon</topic><topic>Carbon content</topic><topic>Carbonization</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Coal</topic><topic>Coal mining</topic><topic>Coke</topic><topic>Coking</topic><topic>Cooling</topic><topic>Heating</topic><topic>High temperature</topic><topic>Inert atmospheres</topic><topic>Materials Engineering</topic><topic>Materials Science</topic><topic>Nanotechnology</topic><topic>Pore size</topic><topic>Porous materials</topic><topic>Radiation</topic><topic>Rapid Communications</topic><topic>Raw materials</topic><topic>Room temperature</topic><topic>Sensors</topic><topic>Small angle X ray scattering</topic><topic>Synchrotron radiation</topic><topic>Synchrotrons</topic><topic>Temperature</topic><topic>X-ray scattering</topic><toplevel>online_resources</toplevel><creatorcontrib>Wang, Yuexiang</creatorcontrib><creatorcontrib>Li, Zhihong</creatorcontrib><creatorcontrib>Kong, Jiao</creatorcontrib><creatorcontrib>Chang, Liping</creatorcontrib><collection>CrossRef</collection><collection>Korea Scholar</collection><collection>ProQuest Central (Corporate)</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Science Database</collection><collection>Engineering Database</collection><collection>Environmental Science Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><jtitle>Carbon Letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Yuexiang</au><au>Li, Zhihong</au><au>Kong, Jiao</au><au>Chang, Liping</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Simultaneous SAXS-WAXS study on coking coal during high temperature carbonization</atitle><jtitle>Carbon Letters</jtitle><stitle>Carbon Lett</stitle><date>2023-03-01</date><risdate>2023</risdate><volume>33</volume><issue>2</issue><spage>363</spage><epage>372</epage><pages>363-372</pages><issn>1976-4251</issn><eissn>2233-4998</eissn><abstract>Coking coal is an important raw material for coke production. In this study, in an inert atmosphere, two Chinese coking coal samples were, respectively, heated gradually to 1200 °C to release volatile and form char and coke in succession, then cooled naturally to close room temperature to age the coke. The whole heating and cooling process on carbonization were monitored in situ by simultaneous small and wide-angle X-ray scattering (SAXS-WAXS) technique based on a synchrotron radiation platform. The simultaneous structural changes of pore and skeleton in coal during carbonization are revealed for the first time. The two raw coal samples, with similar carbon content and slightly different coalification degree, undergone a carbonization process similar in whole and different in parts. The carbonization presents approximately three stages during heating process and one stage during cooling process. The coal structure changes wavily during heating and monotonously during cooling. The corresponding structural change mechanism is analyzed.</abstract><cop>Singapore</cop><pub>Springer Nature Singapore</pub><doi>10.1007/s42823-022-00437-4</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-5978-7894</orcidid></addata></record> |
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| subjects | Carbon Carbon content Carbonization Characterization and Evaluation of Materials Chemistry and Materials Science Coal Coal mining Coke Coking Cooling Heating High temperature Inert atmospheres Materials Engineering Materials Science Nanotechnology Pore size Porous materials Radiation Rapid Communications Raw materials Room temperature Sensors Small angle X ray scattering Synchrotron radiation Synchrotrons Temperature X-ray scattering |
| title | Simultaneous SAXS-WAXS study on coking coal during high temperature carbonization |
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