Air and Steam Coal Partial Gasification in an Atmospheric Fluidized Bed
Using the mixture of air and steam as gasification medium, three different rank coal partial gasification studies were carried out in a bench-scale atmospheric fluidized bed with the various operating parameters. The effects of air/coal (Fa/Fc) ratio, steam/coal (Fs/Fc) ratio, bed temperature, and c...
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| Veröffentlicht in: | Energy & fuels 2005-07, Vol.19 (4), p.1619-1623 |
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| creator | Zhou Jing Zhong Huang Xiao, Rui |
| description | Using the mixture of air and steam as gasification medium, three different rank coal partial gasification studies were carried out in a bench-scale atmospheric fluidized bed with the various operating parameters. The effects of air/coal (Fa/Fc) ratio, steam/coal (Fs/Fc) ratio, bed temperature, and coal rank on the fuel gas compositions and the high heating value (HHV) were reported in this paper. The results show that there is an optimal Fa/Fc ratio and Fs/Fc ratio for coal partial gasification. A rise of bed temperature favors the semigasification reaction of coal, but the concentrations of carbon monoxide and methane and the HHV decrease with the rise of bed temperature, except hydrogen. In addition, the gas HHVs are between 2.2 and 3.4 MJ/Nm3. The gas yield and carbon conversion increase with Fa/Fc ratio, Fs/Fc ratio, and bed temperature, while they decrease with the rise of the rank of coal. |
| doi_str_mv | 10.1021/ef0497558 |
| format | Article |
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The effects of air/coal (Fa/Fc) ratio, steam/coal (Fs/Fc) ratio, bed temperature, and coal rank on the fuel gas compositions and the high heating value (HHV) were reported in this paper. The results show that there is an optimal Fa/Fc ratio and Fs/Fc ratio for coal partial gasification. A rise of bed temperature favors the semigasification reaction of coal, but the concentrations of carbon monoxide and methane and the HHV decrease with the rise of bed temperature, except hydrogen. In addition, the gas HHVs are between 2.2 and 3.4 MJ/Nm3. The gas yield and carbon conversion increase with Fa/Fc ratio, Fs/Fc ratio, and bed temperature, while they decrease with the rise of the rank of coal.</description><identifier>ISSN: 0887-0624</identifier><identifier>EISSN: 1520-5029</identifier><identifier>DOI: 10.1021/ef0497558</identifier><identifier>CODEN: ENFUEM</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>01 COAL, LIGNITE, AND PEAT ; AIR ; Applied sciences ; ATMOSPHERIC PRESSURE ; COAL GASIFICATION ; COAL RANK ; Energy ; Exact sciences and technology ; FLUIDIZED BEDS ; Fuel processing. 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The effects of air/coal (Fa/Fc) ratio, steam/coal (Fs/Fc) ratio, bed temperature, and coal rank on the fuel gas compositions and the high heating value (HHV) were reported in this paper. The results show that there is an optimal Fa/Fc ratio and Fs/Fc ratio for coal partial gasification. A rise of bed temperature favors the semigasification reaction of coal, but the concentrations of carbon monoxide and methane and the HHV decrease with the rise of bed temperature, except hydrogen. In addition, the gas HHVs are between 2.2 and 3.4 MJ/Nm3. The gas yield and carbon conversion increase with Fa/Fc ratio, Fs/Fc ratio, and bed temperature, while they decrease with the rise of the rank of coal.</description><subject>01 COAL, LIGNITE, AND PEAT</subject><subject>AIR</subject><subject>Applied sciences</subject><subject>ATMOSPHERIC PRESSURE</subject><subject>COAL GASIFICATION</subject><subject>COAL RANK</subject><subject>Energy</subject><subject>Exact sciences and technology</subject><subject>FLUIDIZED BEDS</subject><subject>Fuel processing. Carbochemistry and petrochemistry</subject><subject>Fuels</subject><subject>PARTIAL OXIDATION PROCESSES</subject><subject>Solid fuel processing (coal, coke, brown coal, peat, wood, etc.)</subject><subject>STEAM</subject><issn>0887-0624</issn><issn>1520-5029</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNpt0M1qGzEUBWBRUqjjdtE3GCglZDGp_qVZOiZ2AoEa7HYr7mgkLHc8ciUZ0jx9xjgkm67uQp-OdA9CXwm-IZiSH85j3igh9Ac0IYLiWmDaXKAJ1lrVWFL-CV3mvMMYS6bFBC1nIVUwdNW6ONhX8wh9tYJUwjiXkIMPFkqIQxWGkVWzso_5sHUp2GrRH0MXnl1X3bruM_rooc_uy-ucol-Lu838vn78uXyYzx5r4JSX2oKksrGagSdcks4r23Iqxz8q14EmFDPlCbRUdUTItnVUCKCtAu0pIwTYFH0758Zcgsk2FGe3Ng6Ds8XQ01KSy1FdndUhxb9Hl4vZh2xd38Pg4jEbzRrJG0HUKK_P0qaYc3LeHFLYQ_pnCDanRs1bo6P9_poK2ULvEww25PcLstFcNWx09dmFXNzT2zmkP0YqpoTZrNbmd4MVW8yJIe-5YLPZxWMaxgb_8_4Ll-2Nbg</recordid><startdate>20050701</startdate><enddate>20050701</enddate><creator>Zhou</creator><creator>Jing</creator><creator>Zhong</creator><creator>Huang</creator><creator>Xiao, Rui</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TV</scope><scope>C1K</scope><scope>OTOTI</scope></search><sort><creationdate>20050701</creationdate><title>Air and Steam Coal Partial Gasification in an Atmospheric Fluidized Bed</title><author>Zhou ; Jing ; Zhong ; Huang ; Xiao, Rui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a424t-ca6269c83af1461df7cb4260297eda812037f1ab27d156bbe255a2b7a8f2311a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>01 COAL, LIGNITE, AND PEAT</topic><topic>AIR</topic><topic>Applied sciences</topic><topic>ATMOSPHERIC PRESSURE</topic><topic>COAL GASIFICATION</topic><topic>COAL RANK</topic><topic>Energy</topic><topic>Exact sciences and technology</topic><topic>FLUIDIZED BEDS</topic><topic>Fuel processing. Carbochemistry and petrochemistry</topic><topic>Fuels</topic><topic>PARTIAL OXIDATION PROCESSES</topic><topic>Solid fuel processing (coal, coke, brown coal, peat, wood, etc.)</topic><topic>STEAM</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhou</creatorcontrib><creatorcontrib>Jing</creatorcontrib><creatorcontrib>Zhong</creatorcontrib><creatorcontrib>Huang</creatorcontrib><creatorcontrib>Xiao, Rui</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Pollution Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>OSTI.GOV</collection><jtitle>Energy & fuels</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhou</au><au>Jing</au><au>Zhong</au><au>Huang</au><au>Xiao, Rui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Air and Steam Coal Partial Gasification in an Atmospheric Fluidized Bed</atitle><jtitle>Energy & fuels</jtitle><addtitle>Energy Fuels</addtitle><date>2005-07-01</date><risdate>2005</risdate><volume>19</volume><issue>4</issue><spage>1619</spage><epage>1623</epage><pages>1619-1623</pages><issn>0887-0624</issn><eissn>1520-5029</eissn><coden>ENFUEM</coden><abstract>Using the mixture of air and steam as gasification medium, three different rank coal partial gasification studies were carried out in a bench-scale atmospheric fluidized bed with the various operating parameters. The effects of air/coal (Fa/Fc) ratio, steam/coal (Fs/Fc) ratio, bed temperature, and coal rank on the fuel gas compositions and the high heating value (HHV) were reported in this paper. The results show that there is an optimal Fa/Fc ratio and Fs/Fc ratio for coal partial gasification. A rise of bed temperature favors the semigasification reaction of coal, but the concentrations of carbon monoxide and methane and the HHV decrease with the rise of bed temperature, except hydrogen. In addition, the gas HHVs are between 2.2 and 3.4 MJ/Nm3. The gas yield and carbon conversion increase with Fa/Fc ratio, Fs/Fc ratio, and bed temperature, while they decrease with the rise of the rank of coal.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/ef0497558</doi><tpages>5</tpages></addata></record> |
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| ispartof | Energy & fuels, 2005-07, Vol.19 (4), p.1619-1623 |
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| source | ACS Publications |
| subjects | 01 COAL, LIGNITE, AND PEAT AIR Applied sciences ATMOSPHERIC PRESSURE COAL GASIFICATION COAL RANK Energy Exact sciences and technology FLUIDIZED BEDS Fuel processing. Carbochemistry and petrochemistry Fuels PARTIAL OXIDATION PROCESSES Solid fuel processing (coal, coke, brown coal, peat, wood, etc.) STEAM |
| title | Air and Steam Coal Partial Gasification in an Atmospheric Fluidized Bed |
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