Enhanced anaerobic digestion of food waste by thermal and ozonation pretreatment methods.
Identifieur interne : 000A62 ( Ncbi/Checkpoint ); précédent : 000A61; suivant : 000A63Enhanced anaerobic digestion of food waste by thermal and ozonation pretreatment methods.
Auteurs : Javkhlan Ariunbaatar [Pays-Bas] ; Antonio Panico [Italie] ; Luigi Frunzo [Italie] ; Giovanni Esposito [Italie] ; Piet N L. Lens [Pays-Bas] ; Francesco Pirozzi [Italie]Source :
- Journal of environmental management [ 1095-8630 ] ; 2014.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Ozone.
- Anaerobiosis, Biodegradation, Environmental, Bioreactors, Food, Humans, Solid Waste, Temperature.
Abstract
Treatment of food waste by anaerobic digestion can lead to an energy production coupled to a reduction of the volume and greenhouse gas emissions from this waste type. According to EU Regulation EC1774/2002, food waste should be pasteurized/sterilized before or after anaerobic digestion. With respect to this regulation and also considering the slow kinetics of the anaerobic digestion process, thermal and chemical pretreatments of food waste prior to mesophilic anaerobic digestion were studied. A series of batch experiments to determine the biomethane potential of untreated as well as pretreated food waste was carried out. All tested conditions of both thermal and ozonation pretreatments resulted in an enhanced biomethane production. The kinetics of the anaerobic digestion process were, however, accelerated by thermal pretreatment at lower temperatures (<120 °C) only. The best result of 647.5 ± 10.6 mlCH4/gVS, which is approximately 52% higher as compared to the specific biomethane production of untreated food waste, was obtained with thermal pretreatment at 80 °C for 1.5 h. On the basis of net energy calculations, the enhanced biomethane production could cover the energy requirement of the thermal pretreatment. In contrast, the enhanced biomethane production with ozonation pretreatment is insufficient to supply the required energy for the ozonator.
DOI: 10.1016/j.jenvman.2014.07.042
PubMed: 25169646
Affiliations:
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Electronic address: jaka@unicas.it.</nlm:affiliation><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of Civil and Mechanical Engineering, University of Cassino and the Southern Lazio, Via Di Biasio, 43, 03043 Cassino, FR, Italy; UNESCO-IHE Institute for Water Education, Westvest 7, 2611 AX Delft</wicri:regionArea><wicri:noRegion>2611 AX Delft</wicri:noRegion></affiliation></author><author><name sortKey="Panico, Antonio" sort="Panico, Antonio" uniqKey="Panico A" first="Antonio" last="Panico">Antonio Panico</name><affiliation wicri:level="1"><nlm:affiliation>Telematic University Pegaso, Piazza Trieste e Trento, 48, 80132 Naples, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Telematic University Pegaso, Piazza Trieste e Trento, 48, 80132 Naples</wicri:regionArea><wicri:noRegion>80132 Naples</wicri:noRegion></affiliation></author><author><name sortKey="Frunzo, Luigi" sort="Frunzo, Luigi" uniqKey="Frunzo L" first="Luigi" last="Frunzo">Luigi Frunzo</name><affiliation wicri:level="1"><nlm:affiliation>Department of Mathematics and Applications Renato Caccioppoli, University of Naples Federico II, Via Claudio, 21, 80125 Naples, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Mathematics and Applications Renato Caccioppoli, University of Naples Federico II, Via Claudio, 21, 80125 Naples</wicri:regionArea><wicri:noRegion>80125 Naples</wicri:noRegion></affiliation></author><author><name sortKey="Esposito, Giovanni" sort="Esposito, Giovanni" uniqKey="Esposito G" first="Giovanni" last="Esposito">Giovanni Esposito</name><affiliation wicri:level="1"><nlm:affiliation>Department of Civil and Mechanical Engineering, University of Cassino and the Southern Lazio, Via Di Biasio, 43, 03043 Cassino, FR, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Civil and Mechanical Engineering, University of Cassino and the Southern Lazio, Via Di Biasio, 43, 03043 Cassino, FR</wicri:regionArea><wicri:noRegion>FR</wicri:noRegion></affiliation></author><author><name sortKey="Lens, Piet N L" sort="Lens, Piet N L" uniqKey="Lens P" first="Piet N L" last="Lens">Piet N L. Lens</name><affiliation wicri:level="1"><nlm:affiliation>UNESCO-IHE Institute for Water Education, Westvest 7, 2611 AX Delft, The Netherlands.</nlm:affiliation><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>UNESCO-IHE Institute for Water Education, Westvest 7, 2611 AX Delft</wicri:regionArea><wicri:noRegion>2611 AX Delft</wicri:noRegion></affiliation></author><author><name sortKey="Pirozzi, Francesco" sort="Pirozzi, Francesco" uniqKey="Pirozzi F" first="Francesco" last="Pirozzi">Francesco Pirozzi</name><affiliation wicri:level="1"><nlm:affiliation>Department of Civil, Architectural and Environmental Engineering, University of Naples Federico II, Via Claudio, 21, 80125 Naples, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Civil, Architectural and Environmental Engineering, University of Naples Federico II, Via Claudio, 21, 80125 Naples</wicri:regionArea><wicri:noRegion>80125 Naples</wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of environmental management</title><idno type="eISSN">1095-8630</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anaerobiosis</term><term>Biodegradation, Environmental</term><term>Bioreactors</term><term>Food</term><term>Humans</term><term>Ozone (chemistry)</term><term>Solid Waste</term><term>Temperature</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Aliments</term><term>Anaérobiose</term><term>Bioréacteurs</term><term>Déchets solides</term><term>Dépollution biologique de l'environnement</term><term>Humains</term><term>Ozone ()</term><term>Température</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Ozone</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Anaerobiosis</term><term>Biodegradation, Environmental</term><term>Bioreactors</term><term>Food</term><term>Humans</term><term>Solid Waste</term><term>Temperature</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Aliments</term><term>Anaérobiose</term><term>Bioréacteurs</term><term>Déchets solides</term><term>Dépollution biologique de l'environnement</term><term>Humains</term><term>Ozone</term><term>Température</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Treatment of food waste by anaerobic digestion can lead to an energy production coupled to a reduction of the volume and greenhouse gas emissions from this waste type. According to EU Regulation EC1774/2002, food waste should be pasteurized/sterilized before or after anaerobic digestion. With respect to this regulation and also considering the slow kinetics of the anaerobic digestion process, thermal and chemical pretreatments of food waste prior to mesophilic anaerobic digestion were studied. A series of batch experiments to determine the biomethane potential of untreated as well as pretreated food waste was carried out. All tested conditions of both thermal and ozonation pretreatments resulted in an enhanced biomethane production. The kinetics of the anaerobic digestion process were, however, accelerated by thermal pretreatment at lower temperatures (<120 °C) only. The best result of 647.5 ± 10.6 mlCH4/gVS, which is approximately 52% higher as compared to the specific biomethane production of untreated food waste, was obtained with thermal pretreatment at 80 °C for 1.5 h. On the basis of net energy calculations, the enhanced biomethane production could cover the energy requirement of the thermal pretreatment. In contrast, the enhanced biomethane production with ozonation pretreatment is insufficient to supply the required energy for the ozonator.</div></front></TEI><affiliations><list><country><li>Italie</li><li>Pays-Bas</li></country></list><tree><country name="Pays-Bas"><noRegion><name sortKey="Ariunbaatar, Javkhlan" sort="Ariunbaatar, Javkhlan" uniqKey="Ariunbaatar J" first="Javkhlan" last="Ariunbaatar">Javkhlan Ariunbaatar</name></noRegion><name sortKey="Lens, Piet N L" sort="Lens, Piet N L" uniqKey="Lens P" first="Piet N L" last="Lens">Piet N L. Lens</name></country><country name="Italie"><noRegion><name sortKey="Panico, Antonio" sort="Panico, Antonio" uniqKey="Panico A" first="Antonio" last="Panico">Antonio Panico</name></noRegion><name sortKey="Esposito, Giovanni" sort="Esposito, Giovanni" uniqKey="Esposito G" first="Giovanni" last="Esposito">Giovanni Esposito</name><name sortKey="Frunzo, Luigi" sort="Frunzo, Luigi" uniqKey="Frunzo L" first="Luigi" last="Frunzo">Luigi Frunzo</name><name sortKey="Pirozzi, Francesco" sort="Pirozzi, Francesco" uniqKey="Pirozzi F" first="Francesco" last="Pirozzi">Francesco Pirozzi</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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