Production of pulp and energy using orange tree prunings.
Identifieur interne : 000D93 ( Ncbi/Merge ); précédent : 000D92; suivant : 000D94Production 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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pubmed:21840214Le document en format XML
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<term>Lignin (chemistry)</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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<Abstract><AbstractText>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.</AbstractText>
<CopyrightInformation>Copyright © 2011 Elsevier Ltd. All rights reserved.</CopyrightInformation>
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