Influence of the kinetic scheme and heat balance on the modelling of biomass combustion in a conical spouted bed
A study has been carried out on the modelling of the combustion of six lignocellulosic biomasses in a conical spouted bed, for a balanced representation of the most abundant biomass sources to be used for energy production. Two models based on different approaches have been compared. One of them req...
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| Veröffentlicht in: | Energy (Oxford) 2019-05, Vol.175, p.758-767 |
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| creator | Aguado, Roberto Saldarriaga, Juan F. Atxutegi, Aitor Bilbao, Javier Olazar, Martin |
| description | A study has been carried out on the modelling of the combustion of six lignocellulosic biomasses in a conical spouted bed, for a balanced representation of the most abundant biomass sources to be used for energy production. Two models based on different approaches have been compared. One of them requires knowledge of the polymeric composition of the biomass and the other one needs the ultimate analysis composition (fixed carbon, volatile matter and ash content). Given that the real combustion temperature is not known, a study has been carried out on the suitability of three temperatures for the calculation of the kinetic constants, namely, the gas stream temperature, the particle temperature and the gas-solid interphase temperature. The evolution of particle temperature with time has been analysed for the lignocellulosic biomasses assayed, which allowed ascertaining the reaction temperature and the model of best fit for the design of a combustor based on the conical spouted bed technology.
•The conical spouted bed performs well in the combustion of high irregular biomass•A model is proposed based on devolatilization and fixed carbon combus-tion•Knowledge of hemicellulose, cellulose and lignin in the biomass is not required•Average gas-solid temperature is the best reference for the kinetic equation |
| doi_str_mv | 10.1016/j.energy.2019.03.086 |
| format | Article |
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•The conical spouted bed performs well in the combustion of high irregular biomass•A model is proposed based on devolatilization and fixed carbon combus-tion•Knowledge of hemicellulose, cellulose and lignin in the biomass is not required•Average gas-solid temperature is the best reference for the kinetic equation</description><identifier>ISSN: 0360-5442</identifier><identifier>EISSN: 1873-6785</identifier><identifier>DOI: 10.1016/j.energy.2019.03.086</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Ash ; Biomass ; Biomass burning ; Biomass energy production ; Chemical composition ; Combustion ; Combustion chambers ; Combustion temperature ; Composition ; Gas streams ; Heat balance ; Kinetic ; Lignocellulose ; Modelling ; Spouted bed ; Spouted beds ; Temperature effects</subject><ispartof>Energy (Oxford), 2019-05, Vol.175, p.758-767</ispartof><rights>2019 Elsevier Ltd</rights><rights>Copyright Elsevier BV May 15, 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c373t-f613ee13a7c32d430989b13bac72b2e3c7a98e33a377395d3f62c9a1f6deb5673</citedby><cites>FETCH-LOGICAL-c373t-f613ee13a7c32d430989b13bac72b2e3c7a98e33a377395d3f62c9a1f6deb5673</cites><orcidid>0000-0001-8743-5696</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.energy.2019.03.086$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Aguado, Roberto</creatorcontrib><creatorcontrib>Saldarriaga, Juan F.</creatorcontrib><creatorcontrib>Atxutegi, Aitor</creatorcontrib><creatorcontrib>Bilbao, Javier</creatorcontrib><creatorcontrib>Olazar, Martin</creatorcontrib><title>Influence of the kinetic scheme and heat balance on the modelling of biomass combustion in a conical spouted bed</title><title>Energy (Oxford)</title><description>A study has been carried out on the modelling of the combustion of six lignocellulosic biomasses in a conical spouted bed, for a balanced representation of the most abundant biomass sources to be used for energy production. Two models based on different approaches have been compared. One of them requires knowledge of the polymeric composition of the biomass and the other one needs the ultimate analysis composition (fixed carbon, volatile matter and ash content). Given that the real combustion temperature is not known, a study has been carried out on the suitability of three temperatures for the calculation of the kinetic constants, namely, the gas stream temperature, the particle temperature and the gas-solid interphase temperature. The evolution of particle temperature with time has been analysed for the lignocellulosic biomasses assayed, which allowed ascertaining the reaction temperature and the model of best fit for the design of a combustor based on the conical spouted bed technology.
•The conical spouted bed performs well in the combustion of high irregular biomass•A model is proposed based on devolatilization and fixed carbon combus-tion•Knowledge of hemicellulose, cellulose and lignin in the biomass is not required•Average gas-solid temperature is the best reference for the kinetic equation</description><subject>Ash</subject><subject>Biomass</subject><subject>Biomass burning</subject><subject>Biomass energy production</subject><subject>Chemical composition</subject><subject>Combustion</subject><subject>Combustion chambers</subject><subject>Combustion temperature</subject><subject>Composition</subject><subject>Gas streams</subject><subject>Heat balance</subject><subject>Kinetic</subject><subject>Lignocellulose</subject><subject>Modelling</subject><subject>Spouted bed</subject><subject>Spouted beds</subject><subject>Temperature effects</subject><issn>0360-5442</issn><issn>1873-6785</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kMFq3DAQhkVJIJtN3iAHQc92JY0tWZdCCW0aWOilOQtZGu9qa0tbyS7k7evd7bmnYeD7_2E-Qp44qznj8tOxxoh5_14LxnXNoGad_EA2vFNQSdW1N2TDQLKqbRpxR-5LOTLG2k7rDTm9xmFcMDqkaaDzAemvEHEOjhZ3wAmpjZ4e0M60t6O9YPGCTcnjOIa4P-f6kCZbCnVp6pcyh5UJkdp1j8HZkZZTWmb0tEf_QG4HOxZ8_De35O3b15_P36vdj5fX5y-7yoGCuRokB0QOVjkQvgGmO91z6K1TohcITlndIYAFpUC3HgYpnLZ8kB77VirYko_X3lNOvxcsszmmJcf1pBFCSCVbpZuVaq6Uy6mUjIM55TDZ_G44M2e35miubs3ZrWFgVrdr7PM1husHfwJmU1w4S_Qho5uNT-H_BX8B3BuFKw</recordid><startdate>20190515</startdate><enddate>20190515</enddate><creator>Aguado, Roberto</creator><creator>Saldarriaga, Juan F.</creator><creator>Atxutegi, Aitor</creator><creator>Bilbao, Javier</creator><creator>Olazar, Martin</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7ST</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0001-8743-5696</orcidid></search><sort><creationdate>20190515</creationdate><title>Influence of the kinetic scheme and heat balance on the modelling of biomass combustion in a conical spouted bed</title><author>Aguado, Roberto ; Saldarriaga, Juan F. ; Atxutegi, Aitor ; Bilbao, Javier ; Olazar, Martin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c373t-f613ee13a7c32d430989b13bac72b2e3c7a98e33a377395d3f62c9a1f6deb5673</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Ash</topic><topic>Biomass</topic><topic>Biomass burning</topic><topic>Biomass energy production</topic><topic>Chemical composition</topic><topic>Combustion</topic><topic>Combustion chambers</topic><topic>Combustion temperature</topic><topic>Composition</topic><topic>Gas streams</topic><topic>Heat balance</topic><topic>Kinetic</topic><topic>Lignocellulose</topic><topic>Modelling</topic><topic>Spouted bed</topic><topic>Spouted beds</topic><topic>Temperature effects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Aguado, Roberto</creatorcontrib><creatorcontrib>Saldarriaga, Juan F.</creatorcontrib><creatorcontrib>Atxutegi, Aitor</creatorcontrib><creatorcontrib>Bilbao, Javier</creatorcontrib><creatorcontrib>Olazar, Martin</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Environment Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Energy (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Aguado, Roberto</au><au>Saldarriaga, Juan F.</au><au>Atxutegi, Aitor</au><au>Bilbao, Javier</au><au>Olazar, Martin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of the kinetic scheme and heat balance on the modelling of biomass combustion in a conical spouted bed</atitle><jtitle>Energy (Oxford)</jtitle><date>2019-05-15</date><risdate>2019</risdate><volume>175</volume><spage>758</spage><epage>767</epage><pages>758-767</pages><issn>0360-5442</issn><eissn>1873-6785</eissn><abstract>A study has been carried out on the modelling of the combustion of six lignocellulosic biomasses in a conical spouted bed, for a balanced representation of the most abundant biomass sources to be used for energy production. Two models based on different approaches have been compared. One of them requires knowledge of the polymeric composition of the biomass and the other one needs the ultimate analysis composition (fixed carbon, volatile matter and ash content). Given that the real combustion temperature is not known, a study has been carried out on the suitability of three temperatures for the calculation of the kinetic constants, namely, the gas stream temperature, the particle temperature and the gas-solid interphase temperature. The evolution of particle temperature with time has been analysed for the lignocellulosic biomasses assayed, which allowed ascertaining the reaction temperature and the model of best fit for the design of a combustor based on the conical spouted bed technology.
•The conical spouted bed performs well in the combustion of high irregular biomass•A model is proposed based on devolatilization and fixed carbon combus-tion•Knowledge of hemicellulose, cellulose and lignin in the biomass is not required•Average gas-solid temperature is the best reference for the kinetic equation</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.energy.2019.03.086</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0001-8743-5696</orcidid></addata></record> |
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| ispartof | Energy (Oxford), 2019-05, Vol.175, p.758-767 |
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| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Ash Biomass Biomass burning Biomass energy production Chemical composition Combustion Combustion chambers Combustion temperature Composition Gas streams Heat balance Kinetic Lignocellulose Modelling Spouted bed Spouted beds Temperature effects |
| title | Influence of the kinetic scheme and heat balance on the modelling of biomass combustion in a conical spouted bed |
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