Grindability and combustion behavior of coal and torrefied biomass blends.
Identifieur interne : 001D19 ( Main/Exploration ); précédent : 001D18; suivant : 001D20Grindability and combustion behavior of coal and torrefied biomass blends.
Auteurs : M V Gil [Espagne] ; R. García [Espagne] ; C. Pevida [Espagne] ; F. Rubiera [Espagne]Source :
- Bioresource technology [ 1873-2976 ] ; 2015.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical : Coal.
- Biomass, Particle Size, Temperature.
Abstract
Biomass samples (pine, black poplar and chestnut woodchips) were torrefied to improve their grindability before being combusted in blends with coal. Torrefaction temperatures between 240 and 300 °C and residence times between 11 and 43 min were studied. The grindability of the torrefied biomass, evaluated from the particle size distribution of the ground sample, significantly improved compared to raw biomass. Higher temperatures increased the proportion of smaller-sized particles after grinding. Torrefied chestnut woodchips (280 °C, 22 min) showed the best grinding properties. This sample was blended with coal (5-55 wt.% biomass). The addition of torrefied biomass to coal up to 15 wt.% did not significantly increase the proportion of large-sized particles after grinding. No relevant differences in the burnout value were detected between the coal and coal/torrefied biomass blends due to the high reactivity of the coal. NO and SO2 emissions decreased as the percentage of torrefied biomass in the blend with coal increased.
DOI: 10.1016/j.biortech.2015.04.117
PubMed: 25997009
Affiliations:
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García</name><affiliation wicri:level="2"><nlm:affiliation>Instituto Nacional del Carbón, INCAR-CSIC, Apartado 73, 33080 Oviedo, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Instituto Nacional del Carbón, INCAR-CSIC, Apartado 73, 33080 Oviedo</wicri:regionArea><placeName><region nuts="2" type="communauté">Principauté des Asturies</region></placeName></affiliation></author><author><name sortKey="Pevida, C" sort="Pevida, C" uniqKey="Pevida C" first="C" last="Pevida">C. Pevida</name><affiliation wicri:level="2"><nlm:affiliation>Instituto Nacional del Carbón, INCAR-CSIC, Apartado 73, 33080 Oviedo, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Instituto Nacional del Carbón, INCAR-CSIC, Apartado 73, 33080 Oviedo</wicri:regionArea><placeName><region nuts="2" type="communauté">Principauté des Asturies</region></placeName></affiliation></author><author><name sortKey="Rubiera, F" sort="Rubiera, F" uniqKey="Rubiera F" first="F" last="Rubiera">F. Rubiera</name><affiliation wicri:level="2"><nlm:affiliation>Instituto Nacional del Carbón, INCAR-CSIC, Apartado 73, 33080 Oviedo, Spain. Electronic address: frubiera@incar.csic.es.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Instituto Nacional del Carbón, INCAR-CSIC, Apartado 73, 33080 Oviedo</wicri:regionArea><placeName><region nuts="2" type="communauté">Principauté des Asturies</region></placeName></affiliation></author></analytic><series><title level="j">Bioresource technology</title><idno type="eISSN">1873-2976</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomass (MeSH)</term><term>Coal (MeSH)</term><term>Particle Size (MeSH)</term><term>Temperature (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Biomasse (MeSH)</term><term>Charbon (MeSH)</term><term>Taille de particule (MeSH)</term><term>Température (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Coal</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>Particle Size</term><term>Temperature</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Biomasse</term><term>Charbon</term><term>Taille de particule</term><term>Température</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Biomass samples (pine, black poplar and chestnut woodchips) were torrefied to improve their grindability before being combusted in blends with coal. Torrefaction temperatures between 240 and 300 °C and residence times between 11 and 43 min were studied. The grindability of the torrefied biomass, evaluated from the particle size distribution of the ground sample, significantly improved compared to raw biomass. Higher temperatures increased the proportion of smaller-sized particles after grinding. Torrefied chestnut woodchips (280 °C, 22 min) showed the best grinding properties. This sample was blended with coal (5-55 wt.% biomass). The addition of torrefied biomass to coal up to 15 wt.% did not significantly increase the proportion of large-sized particles after grinding. No relevant differences in the burnout value were detected between the coal and coal/torrefied biomass blends due to the high reactivity of the coal. NO and SO2 emissions decreased as the percentage of torrefied biomass in the blend with coal increased.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25997009</PMID><DateCompleted><Year>2016</Year><Month>03</Month><Day>17</Day></DateCompleted><DateRevised><Year>2015</Year><Month>06</Month><Day>10</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-2976</ISSN><JournalIssue CitedMedium="Internet"><Volume>191</Volume><PubDate><Year>2015</Year><Month>Sep</Month></PubDate></JournalIssue><Title>Bioresource technology</Title><ISOAbbreviation>Bioresour Technol</ISOAbbreviation></Journal><ArticleTitle>Grindability and combustion behavior of coal and torrefied biomass blends.</ArticleTitle><Pagination><MedlinePgn>205-12</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.biortech.2015.04.117</ELocationID><ELocationID EIdType="pii" ValidYN="Y">S0960-8524(15)00651-3</ELocationID><Abstract><AbstractText>Biomass samples (pine, black poplar and chestnut woodchips) were torrefied to improve their grindability before being combusted in blends with coal. Torrefaction temperatures between 240 and 300 °C and residence times between 11 and 43 min were studied. The grindability of the torrefied biomass, evaluated from the particle size distribution of the ground sample, significantly improved compared to raw biomass. Higher temperatures increased the proportion of smaller-sized particles after grinding. Torrefied chestnut woodchips (280 °C, 22 min) showed the best grinding properties. This sample was blended with coal (5-55 wt.% biomass). The addition of torrefied biomass to coal up to 15 wt.% did not significantly increase the proportion of large-sized particles after grinding. No relevant differences in the burnout value were detected between the coal and coal/torrefied biomass blends due to the high reactivity of the coal. NO and SO2 emissions decreased as the percentage of torrefied biomass in the blend with coal increased.</AbstractText><CopyrightInformation>Copyright © 2015 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gil</LastName><ForeName>M V</ForeName><Initials>MV</Initials><AffiliationInfo><Affiliation>Instituto Nacional del Carbón, INCAR-CSIC, Apartado 73, 33080 Oviedo, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>García</LastName><ForeName>R</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>Instituto Nacional del Carbón, INCAR-CSIC, Apartado 73, 33080 Oviedo, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Pevida</LastName><ForeName>C</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Instituto Nacional del Carbón, INCAR-CSIC, Apartado 73, 33080 Oviedo, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rubiera</LastName><ForeName>F</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>Instituto Nacional del Carbón, INCAR-CSIC, Apartado 73, 33080 Oviedo, Spain. Electronic address: frubiera@incar.csic.es.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2015</Year><Month>05</Month><Day>09</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Bioresour Technol</MedlineTA><NlmUniqueID>9889523</NlmUniqueID><ISSNLinking>0960-8524</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D003031">Coal</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="Y">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003031" MajorTopicYN="Y">Coal</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010316" MajorTopicYN="N">Particle Size</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013696" MajorTopicYN="N">Temperature</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Biomass</Keyword><Keyword MajorTopicYN="N">Co-combustion</Keyword><Keyword MajorTopicYN="N">Coal</Keyword><Keyword MajorTopicYN="N">Grindability</Keyword><Keyword MajorTopicYN="N">Torrefaction</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2015</Year><Month>03</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2015</Year><Month>04</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2015</Year><Month>04</Month><Day>29</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2015</Year><Month>5</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2015</Year><Month>5</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>3</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">25997009</ArticleId><ArticleId IdType="pii">S0960-8524(15)00651-3</ArticleId><ArticleId IdType="doi">10.1016/j.biortech.2015.04.117</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Espagne</li></country><region><li>Principauté des Asturies</li></region></list><tree><country name="Espagne"><region name="Principauté des Asturies"><name sortKey="Gil, M V" sort="Gil, M V" uniqKey="Gil M" first="M V" last="Gil">M V Gil</name></region><name sortKey="Garcia, R" sort="Garcia, R" uniqKey="Garcia R" first="R" last="García">R. García</name><name sortKey="Pevida, C" sort="Pevida, C" uniqKey="Pevida C" first="C" last="Pevida">C. Pevida</name><name sortKey="Rubiera, F" sort="Rubiera, F" uniqKey="Rubiera F" first="F" last="Rubiera">F. Rubiera</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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