Effects of process parameters on pore structure of semi-coke prepared by solid heat carrier with dry distillation
The semi-coke was prepared by solid heat carrier with dry distillation in single factor method. The pore structures of raw coal and semi-coke were characterized by Brunauer–Emmett–Teller (BET) and scanning electron microscope (SEM). The results show that the adsorption and desorption isotherm of sem...
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| Veröffentlicht in: | International journal of mining science and technology 2013-05, Vol.23 (3), p.423-427 |
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| container_title | International journal of mining science and technology |
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| creator | Zhou, Guoli Wu, Jianjun Miao, Zhenyong Hu, Xuelian Li, Xia Shi, Xin Cai, Zhidan Shang, Yukun |
| description | The semi-coke was prepared by solid heat carrier with dry distillation in single factor method. The pore structures of raw coal and semi-coke were characterized by Brunauer–Emmett–Teller (BET) and scanning electron microscope (SEM). The results show that the adsorption and desorption isotherm of semi-coke are not coincident. There was a wide pore distribution on the semi-coke, in which mesopores and micropores account for a considerable proportion. Also there are many more secondary pores. With the increase of the final temperature of heat carrier and constant temperature, as well as the decrease of volume ratio of coal and hot carrier reactor, specific surface area and pore volume of semi-coke increased rapidly first and then decreased and finally increased, along with the rapidly reduction of average pore size. SEM photos show that the surface of semi-coke becomes increasingly rough and glossy. |
| doi_str_mv | 10.1016/j.ijmst.2013.05.003 |
| format | Article |
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The pore structures of raw coal and semi-coke were characterized by Brunauer–Emmett–Teller (BET) and scanning electron microscope (SEM). The results show that the adsorption and desorption isotherm of semi-coke are not coincident. There was a wide pore distribution on the semi-coke, in which mesopores and micropores account for a considerable proportion. Also there are many more secondary pores. With the increase of the final temperature of heat carrier and constant temperature, as well as the decrease of volume ratio of coal and hot carrier reactor, specific surface area and pore volume of semi-coke increased rapidly first and then decreased and finally increased, along with the rapidly reduction of average pore size. SEM photos show that the surface of semi-coke becomes increasingly rough and glossy.</description><identifier>ISSN: 2095-2686</identifier><identifier>DOI: 10.1016/j.ijmst.2013.05.003</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>BET ; Heat carrier dry distillation ; Pore structure ; SEM ; Semi-coke</subject><ispartof>International journal of mining science and technology, 2013-05, Vol.23 (3), p.423-427</ispartof><rights>2013</rights><rights>Copyright © Wanfang Data Co. Ltd. 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The pore structures of raw coal and semi-coke were characterized by Brunauer–Emmett–Teller (BET) and scanning electron microscope (SEM). The results show that the adsorption and desorption isotherm of semi-coke are not coincident. There was a wide pore distribution on the semi-coke, in which mesopores and micropores account for a considerable proportion. Also there are many more secondary pores. With the increase of the final temperature of heat carrier and constant temperature, as well as the decrease of volume ratio of coal and hot carrier reactor, specific surface area and pore volume of semi-coke increased rapidly first and then decreased and finally increased, along with the rapidly reduction of average pore size. SEM photos show that the surface of semi-coke becomes increasingly rough and glossy.</description><subject>BET</subject><subject>Heat carrier dry distillation</subject><subject>Pore structure</subject><subject>SEM</subject><subject>Semi-coke</subject><issn>2095-2686</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkD1PBCEQhrfQRKP-AhsSS7PrAPtFYWGMX4mJjdaEheGO9W45gVPPXy_nmVhKM2TyvvPOPEVxSqGiQNuLsXLjMqaKAeUVNBUA3ysOGYimZG3fHhQnMY6QX9vXfcMOi7cba1GnSLwlq-A1xkhWKqglJgy5O5GVD0hiCmud1vmXdRGXrtT-FbMDsxgNGTYk-oUzZI4qEa1CcBjIh0tzYsKGGBeTWyxUcn46LvatWkQ8-a1HxcvtzfP1ffn4dPdwffVYat52qaybrm-M6MQgGOLA0PaCclA9azSjdT1QRXUnwLYaeT9A1wrRiI6ZDjSawfKj4nw390NNVk0zOfp1mHKi_Jq9bszn5yBxiwk40D6r-U6tg48xoJWr4JYqbCQFuUUrR_mDVm49EhqZ0WbX5c6F-ZD3fLKM2uGUF3AhU5XGu3_8Z7-pcz_N3lze8i8WGHQ15Zx_AxjikpU</recordid><startdate>20130501</startdate><enddate>20130501</enddate><creator>Zhou, Guoli</creator><creator>Wu, Jianjun</creator><creator>Miao, Zhenyong</creator><creator>Hu, Xuelian</creator><creator>Li, Xia</creator><creator>Shi, Xin</creator><creator>Cai, Zhidan</creator><creator>Shang, Yukun</creator><general>Elsevier B.V</general><general>School of Chemical Engineering (ε) Technology, China University of Mining (ε) Technology, Xuzhou 221116, China</general><general>Chinese National Engineering Research Center of Coal Preparation and Purification, Xuzhou 221116, China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20130501</creationdate><title>Effects of process parameters on pore structure of semi-coke prepared by solid heat carrier with dry distillation</title><author>Zhou, Guoli ; Wu, Jianjun ; Miao, Zhenyong ; Hu, Xuelian ; Li, Xia ; Shi, Xin ; Cai, Zhidan ; Shang, Yukun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-45785d979b92eeb2ef89130a825c2144b1a1c790f6ce38b076995972d70cedbf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>BET</topic><topic>Heat carrier dry distillation</topic><topic>Pore structure</topic><topic>SEM</topic><topic>Semi-coke</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhou, Guoli</creatorcontrib><creatorcontrib>Wu, Jianjun</creatorcontrib><creatorcontrib>Miao, Zhenyong</creatorcontrib><creatorcontrib>Hu, Xuelian</creatorcontrib><creatorcontrib>Li, Xia</creatorcontrib><creatorcontrib>Shi, Xin</creatorcontrib><creatorcontrib>Cai, Zhidan</creatorcontrib><creatorcontrib>Shang, Yukun</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>International journal of mining science and technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhou, Guoli</au><au>Wu, Jianjun</au><au>Miao, Zhenyong</au><au>Hu, Xuelian</au><au>Li, Xia</au><au>Shi, Xin</au><au>Cai, Zhidan</au><au>Shang, Yukun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of process parameters on pore structure of semi-coke prepared by solid heat carrier with dry distillation</atitle><jtitle>International journal of mining science and technology</jtitle><addtitle>International Journal of Mining Science and Technology</addtitle><date>2013-05-01</date><risdate>2013</risdate><volume>23</volume><issue>3</issue><spage>423</spage><epage>427</epage><pages>423-427</pages><issn>2095-2686</issn><abstract>The semi-coke was prepared by solid heat carrier with dry distillation in single factor method. The pore structures of raw coal and semi-coke were characterized by Brunauer–Emmett–Teller (BET) and scanning electron microscope (SEM). The results show that the adsorption and desorption isotherm of semi-coke are not coincident. There was a wide pore distribution on the semi-coke, in which mesopores and micropores account for a considerable proportion. Also there are many more secondary pores. With the increase of the final temperature of heat carrier and constant temperature, as well as the decrease of volume ratio of coal and hot carrier reactor, specific surface area and pore volume of semi-coke increased rapidly first and then decreased and finally increased, along with the rapidly reduction of average pore size. SEM photos show that the surface of semi-coke becomes increasingly rough and glossy.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.ijmst.2013.05.003</doi><tpages>5</tpages></addata></record> |
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| ispartof | International journal of mining science and technology, 2013-05, Vol.23 (3), p.423-427 |
| issn | 2095-2686 |
| language | eng |
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| source | Elsevier ScienceDirect Journals; Alma/SFX Local Collection |
| subjects | BET Heat carrier dry distillation Pore structure SEM Semi-coke |
| title | Effects of process parameters on pore structure of semi-coke prepared by solid heat carrier with dry distillation |
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