Production of pulp and energy using orange tree prunings.
Identifieur interne : 000695 ( PubMed/Curation ); précédent : 000694; suivant : 000696Production of pulp and energy using orange tree prunings.
Auteurs : Z. González [Espagne] ; A. Rosal ; A. Requejo ; A. RodríguezSource :
- Bioresource technology [ 1873-2976 ] ; 2011.
Descripteurs français
- Wicri :
- geographic : Espagne.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Lignin.
- chemical , chemistry : Lignin.
- chemical : Anthraquinones, Biofuels, Gases.
- geographic : Spain.
- chemistry : Citrus sinensis, Plant Stems.
- Models, Chemical, Paper, Temperature.
Abstract
The aim of this work was to chemically characterize orange tree prunings and use it in pulping and combustion processes. Soda-anthraquinone pulping of the main fraction of orange pruning (stems with a diameter > 0.5 cm) was simulated with polynomial and neurofuzzy models, that predicted pulp properties as a function of operating variables (155-185°C, 40-90 min, soda concentration, 10-16%) with errors less than 20%. The heating values (16,870 kJ/kg), the flame temperature (1150-2150 °C) and dew point temperature of fuel gas (47-53 °C) for the residual fraction from orange pruning (stems diameter < 0.5 cm and leaves) was determined and compared with other non-wood lignocellulosic materials. As a consequence the price of kJ obtained by combustion of this residual fraction is less than other lignocellulosic materials, much lower than those of fossil fuels.
DOI: 10.1016/j.biortech.2011.07.088
PubMed: 21840214
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González</name><affiliation wicri:level="1"><nlm:affiliation>Chemical Engineering Department, University of Córdoba, 14071 Córdoba, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Chemical Engineering Department, University of Córdoba, 14071 Córdoba</wicri:regionArea></affiliation></author><author><name sortKey="Rosal, A" sort="Rosal, A" uniqKey="Rosal A" first="A" last="Rosal">A. Rosal</name></author><author><name sortKey="Requejo, A" sort="Requejo, A" uniqKey="Requejo A" first="A" last="Requejo">A. Requejo</name></author><author><name sortKey="Rodriguez, A" sort="Rodriguez, A" uniqKey="Rodriguez A" first="A" last="Rodríguez">A. 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Soda-anthraquinone pulping of the main fraction of orange pruning (stems with a diameter > 0.5 cm) was simulated with polynomial and neurofuzzy models, that predicted pulp properties as a function of operating variables (155-185°C, 40-90 min, soda concentration, 10-16%) with errors less than 20%. The heating values (16,870 kJ/kg), the flame temperature (1150-2150 °C) and dew point temperature of fuel gas (47-53 °C) for the residual fraction from orange pruning (stems diameter < 0.5 cm and leaves) was determined and compared with other non-wood lignocellulosic materials. As a consequence the price of kJ obtained by combustion of this residual fraction is less than other lignocellulosic materials, much lower than those of fossil fuels.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21840214</PMID><DateCreated><Year>2011</Year><Month>8</Month><Day>29</Day></DateCreated><DateCompleted><Year>2012</Year><Month>01</Month><Day>05</Day></DateCompleted><DateRevised><Year>2011</Year><Month>8</Month><Day>29</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-2976</ISSN><JournalIssue CitedMedium="Internet"><Volume>102</Volume><Issue>19</Issue><PubDate><Year>2011</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Bioresource technology</Title><ISOAbbreviation>Bioresour. 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As a consequence the price of kJ obtained by combustion of this residual fraction is less than other lignocellulosic materials, much lower than those of fossil fuels.</AbstractText><CopyrightInformation>Copyright © 2011 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>González</LastName><ForeName>Z</ForeName><Initials>Z</Initials><AffiliationInfo><Affiliation>Chemical Engineering Department, University of Córdoba, 14071 Córdoba, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rosal</LastName><ForeName>A</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Requejo</LastName><ForeName>A</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Rodríguez</LastName><ForeName>A</ForeName><Initials>A</Initials></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>2011</Year><Month>Jul</Month><Day>27</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="D000880">Anthraquinones</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D056804">Biofuels</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005740">Gases</NameOfSubstance></Chemical><Chemical><RegistryNumber>11132-73-3</RegistryNumber><NameOfSubstance UI="C036909">lignocellulose</NameOfSubstance></Chemical><Chemical><RegistryNumber>9005-53-2</RegistryNumber><NameOfSubstance UI="D008031">Lignin</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000880" MajorTopicYN="N">Anthraquinones</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D056804" MajorTopicYN="Y">Biofuels</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032084" MajorTopicYN="N">Citrus sinensis</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005740" MajorTopicYN="N">Gases</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008031" MajorTopicYN="N">Lignin</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008956" MajorTopicYN="Y">Models, Chemical</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010209" MajorTopicYN="Y">Paper</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018547" MajorTopicYN="N">Plant Stems</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013030" MajorTopicYN="N" Type="Geographic">Spain</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013696" MajorTopicYN="N">Temperature</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2011</Year><Month>5</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2011</Year><Month>7</Month><Day>21</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2011</Year><Month>7</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2011</Year><Month>8</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2011</Year><Month>8</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>1</Month><Day>6</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">21840214</ArticleId><ArticleId IdType="pii">S0960-8524(11)01039-X</ArticleId><ArticleId IdType="doi">10.1016/j.biortech.2011.07.088</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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