Mechanism of Mechanical Activation of Circulating Fluidized Bed Fly Ash
Circulating fluidized bed (CFB) fly ash with high loss on ignition is hard to utilize, which become a hindrance for promoting the CFB power plant. In the paper, cementitious activity of the fly ash is improved by milling it. And the effects of mechano-chemistry and carbon structure on its activity d...
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| creator | Li Jing-Tao Lei Xiu-Jian Zhang Wen-Qing Zhao Yong-Hong |
| description | Circulating fluidized bed (CFB) fly ash with high loss on ignition is hard to utilize, which become a hindrance for promoting the CFB power plant. In the paper, cementitious activity of the fly ash is improved by milling it. And the effects of mechano-chemistry and carbon structure on its activity during grinding process were studied by XRD, SEM and FTIR techniques in combination with mechanical property test. The results reveal the mechanism of mechanical activation of fly ash, which is that the change of structure of carbon in fly ash is mainly contributed to improvement of its activity. In the process of grinding fly ash, carbon particles porous structure was destroyed, the water absorption of fly ash was declined, thus reducing water requirement of cementitious system and enhancing the mechanical properties of paste. |
| doi_str_mv | 10.1109/iCECE.2010.946 |
| format | Conference Proceeding |
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In the paper, cementitious activity of the fly ash is improved by milling it. And the effects of mechano-chemistry and carbon structure on its activity during grinding process were studied by XRD, SEM and FTIR techniques in combination with mechanical property test. The results reveal the mechanism of mechanical activation of fly ash, which is that the change of structure of carbon in fly ash is mainly contributed to improvement of its activity. In the process of grinding fly ash, carbon particles porous structure was destroyed, the water absorption of fly ash was declined, thus reducing water requirement of cementitious system and enhancing the mechanical properties of paste.</description><identifier>ISBN: 1424468809</identifier><identifier>ISBN: 9781424468805</identifier><identifier>EISBN: 9781424468812</identifier><identifier>EISBN: 0769540317</identifier><identifier>EISBN: 9780769540313</identifier><identifier>EISBN: 1424468817</identifier><identifier>DOI: 10.1109/iCECE.2010.946</identifier><language>chi ; eng</language><publisher>IEEE</publisher><subject>Carbon ; carbon particles ; circulating fluidized bed ; Combustion ; Fluidization ; Fly ash ; mechanical activation ; Mechanical factors ; porous structure ; Three dimensional displays ; X-ray scattering</subject><ispartof>2010 International Conference on Electrical and Control Engineering, 2010, p.3878-3881</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5629557$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,780,784,789,790,2058,27925,54920</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5629557$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Li Jing-Tao</creatorcontrib><creatorcontrib>Lei Xiu-Jian</creatorcontrib><creatorcontrib>Zhang Wen-Qing</creatorcontrib><creatorcontrib>Zhao Yong-Hong</creatorcontrib><title>Mechanism of Mechanical Activation of Circulating Fluidized Bed Fly Ash</title><title>2010 International Conference on Electrical and Control Engineering</title><addtitle>ICECE</addtitle><description>Circulating fluidized bed (CFB) fly ash with high loss on ignition is hard to utilize, which become a hindrance for promoting the CFB power plant. In the paper, cementitious activity of the fly ash is improved by milling it. And the effects of mechano-chemistry and carbon structure on its activity during grinding process were studied by XRD, SEM and FTIR techniques in combination with mechanical property test. The results reveal the mechanism of mechanical activation of fly ash, which is that the change of structure of carbon in fly ash is mainly contributed to improvement of its activity. In the process of grinding fly ash, carbon particles porous structure was destroyed, the water absorption of fly ash was declined, thus reducing water requirement of cementitious system and enhancing the mechanical properties of paste.</description><subject>Carbon</subject><subject>carbon particles</subject><subject>circulating fluidized bed</subject><subject>Combustion</subject><subject>Fluidization</subject><subject>Fly ash</subject><subject>mechanical activation</subject><subject>Mechanical factors</subject><subject>porous structure</subject><subject>Three dimensional displays</subject><subject>X-ray scattering</subject><isbn>1424468809</isbn><isbn>9781424468805</isbn><isbn>9781424468812</isbn><isbn>0769540317</isbn><isbn>9780769540313</isbn><isbn>1424468817</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2010</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo1jE1Lw0AURUdEUGu2btzMH0idefO9jENShYqb7stk8mJH0lSSVKi_3oj1wuVyOHAJuedsyTlzj8mXvlwCm9lJfUEyZyyXIKW2lsMluf0H5q5JNo4fbI5UANzdkNUrxl3o07inh5aeIYaOFnFKX2FKh_5X-DTEYzdj_06r7pia9I0NfZpbdSdajLs7ctWGbsTsvAuyqcqNf87Xb6sXX6zz5NiUQ2RRqTY6oawWjTW6ASUiOBsZSKYxgpI8oEElbDOL2tS1QAYGpJMWxYI8_N0mRNx-DmkfhtNWaXBKGfEDpgtKpA</recordid><startdate>201006</startdate><enddate>201006</enddate><creator>Li Jing-Tao</creator><creator>Lei Xiu-Jian</creator><creator>Zhang Wen-Qing</creator><creator>Zhao Yong-Hong</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>201006</creationdate><title>Mechanism of Mechanical Activation of Circulating Fluidized Bed Fly Ash</title><author>Li Jing-Tao ; Lei Xiu-Jian ; Zhang Wen-Qing ; Zhao Yong-Hong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-2c0c55fc935863d876d253c298c02406ec2541ae7e538d3c2b7bb3e02724948e3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>chi ; eng</language><creationdate>2010</creationdate><topic>Carbon</topic><topic>carbon particles</topic><topic>circulating fluidized bed</topic><topic>Combustion</topic><topic>Fluidization</topic><topic>Fly ash</topic><topic>mechanical activation</topic><topic>Mechanical factors</topic><topic>porous structure</topic><topic>Three dimensional displays</topic><topic>X-ray scattering</topic><toplevel>online_resources</toplevel><creatorcontrib>Li Jing-Tao</creatorcontrib><creatorcontrib>Lei Xiu-Jian</creatorcontrib><creatorcontrib>Zhang Wen-Qing</creatorcontrib><creatorcontrib>Zhao Yong-Hong</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Li Jing-Tao</au><au>Lei Xiu-Jian</au><au>Zhang Wen-Qing</au><au>Zhao Yong-Hong</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Mechanism of Mechanical Activation of Circulating Fluidized Bed Fly Ash</atitle><btitle>2010 International Conference on Electrical and Control Engineering</btitle><stitle>ICECE</stitle><date>2010-06</date><risdate>2010</risdate><spage>3878</spage><epage>3881</epage><pages>3878-3881</pages><isbn>1424468809</isbn><isbn>9781424468805</isbn><eisbn>9781424468812</eisbn><eisbn>0769540317</eisbn><eisbn>9780769540313</eisbn><eisbn>1424468817</eisbn><abstract>Circulating fluidized bed (CFB) fly ash with high loss on ignition is hard to utilize, which become a hindrance for promoting the CFB power plant. In the paper, cementitious activity of the fly ash is improved by milling it. And the effects of mechano-chemistry and carbon structure on its activity during grinding process were studied by XRD, SEM and FTIR techniques in combination with mechanical property test. The results reveal the mechanism of mechanical activation of fly ash, which is that the change of structure of carbon in fly ash is mainly contributed to improvement of its activity. In the process of grinding fly ash, carbon particles porous structure was destroyed, the water absorption of fly ash was declined, thus reducing water requirement of cementitious system and enhancing the mechanical properties of paste.</abstract><pub>IEEE</pub><doi>10.1109/iCECE.2010.946</doi><tpages>4</tpages></addata></record> |
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| ispartof | 2010 International Conference on Electrical and Control Engineering, 2010, p.3878-3881 |
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| language | chi ; eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Carbon carbon particles circulating fluidized bed Combustion Fluidization Fly ash mechanical activation Mechanical factors porous structure Three dimensional displays X-ray scattering |
| title | Mechanism of Mechanical Activation of Circulating Fluidized Bed Fly Ash |
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