Production of pulp and energy using orange tree prunings.
Identifieur interne : 001663 ( Main/Exploration ); précédent : 001662; suivant : 001664Production 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
Affiliations:
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Le document en format XML
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<author><name sortKey="Rosal, A" sort="Rosal, A" uniqKey="Rosal A" first="A" last="Rosal">A. Rosal</name>
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<author><name sortKey="Requejo, A" sort="Requejo, A" uniqKey="Requejo A" first="A" last="Requejo">A. Requejo</name>
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<series><title level="j">Bioresource technology</title>
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<term>Biofuels</term>
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<term>Gases</term>
<term>Lignin (analysis)</term>
<term>Lignin (chemistry)</term>
<term>Models, Chemical</term>
<term>Paper</term>
<term>Plant Stems (chemistry)</term>
<term>Spain</term>
<term>Temperature</term>
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<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Lignin</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Lignin</term>
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<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Anthraquinones</term>
<term>Biofuels</term>
<term>Gases</term>
</keywords>
<keywords scheme="MESH" type="geographic" xml:lang="en"><term>Spain</term>
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<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Citrus sinensis</term>
<term>Plant Stems</term>
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<term>Paper</term>
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<front><div type="abstract" xml:lang="en">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.</div>
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<name sortKey="Rodriguez, A" sort="Rodriguez, A" uniqKey="Rodriguez A" first="A" last="Rodríguez">A. Rodríguez</name>
<name sortKey="Rosal, A" sort="Rosal, A" uniqKey="Rosal A" first="A" last="Rosal">A. Rosal</name>
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<country name="Espagne"><region name="Andalousie"><name sortKey="Gonzalez, Z" sort="Gonzalez, Z" uniqKey="Gonzalez Z" first="Z" last="González">Z. González</name>
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