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An analysis of eco-efficiency and GHG emission of olive oil production in Northeast of Portugal

2014Journal article Open access
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dc.contributor.authorFeliciano, Manuel
dc.contributor.authorMaia, Filipe
dc.contributor.authorGonçalves, Artur
dc.date.accessioned2018-04-16T08:25:37Z
dc.date.available2018-04-16T08:25:37Z
dc.date.issued2014
dc.description.abstractOlive oil production sector plays an important role in Portuguese economy. It had a major growth over the last decade, increasing its weight in the overall national exports. International market is increasingly more demanding for Mediterranean traditional products, especially in the Northern European markets, where consumers are looking for more sustainable products. Trying to support this growing demand this study addresses olive oil production under the environmental and eco-efficiency perspectives. The analysis considers two consecutive product life cycle stages: olive trees farming; and olive oil extraction in mills. Addressing olive farming, data collection covered two different organizations: a middle-size farm (~12 ha) (F1) and a large-size farm (~100 ha) (F2). Results from both farms show that olive collection activities are responsible for the largest amounts of Green House Gases (GHG) emissions. In this activities, estimate for the Carbon Footprint per olive was higher in F2 (188 gCO2eq./kg olive) than in F1 (148 gCO2eq./kg olive). Considering olive oil extraction, two different mills were considered: one using a two phases system (2P) and other with a three phases system (3P). Results from the study of two mills show that there is a much higher use of water in 3P. Energy intensity (EI) is similar in both mills. When evaluating the GHG generated, two conditions are evaluated: a biomass neutral condition resulting on a carbon footprint per liter of olive oil higher in 2P (273 gCO2eq./L olive oil) than in 3P (184 gCO2eq./L olive oil); and a non-neutral biomass condition in which 2P reduces its carbon footprint to 92 gCO2eq./L olive oil. When addressing the carbon footprint of possible combinations among studied subsystems, results suggest that olive harvesting is the major source for GHG.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFeliciano, Manuel; Maia, Filipe; Gonçalves, Artur (2014). An analysis of eco-efficiency and GHG emission of olive oil production in Northeast of Portugal. International Journal of Environmental and Ecological Engineering. ISSN 2375-3854. 8:4, p. 359-364pt_PT
dc.identifier.eissn2314-5765
dc.identifier.issn2375-3854
dc.identifier.urihttp://hdl.handle.net/10198/17033
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectCarbon footprintpt_PT
dc.subjectEnvironmental indicatorspt_PT
dc.subjectFarming subsystempt_PT
dc.subjectIndustrial subsystempt_PT
dc.subjectOlive oilpt_PT
dc.titleAn analysis of eco-efficiency and GHG emission of olive oil production in Northeast of Portugalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage364pt_PT
oaire.citation.issue4pt_PT
oaire.citation.startPage359pt_PT
oaire.citation.titleInternational Journal of Environmental and Ecological Engineeringpt_PT
oaire.citation.volume8pt_PT
person.familyNameFeliciano
person.familyNameGonçalves
person.givenNameManuel
person.givenNameArtur
person.identifier.ciencia-id2D11-7230-702B
person.identifier.ciencia-idBC10-99F9-B30E
person.identifier.orcid0000-0002-3147-4511
person.identifier.orcid0000-0002-4825-6692
person.identifier.scopus-author-id6603358480
person.identifier.scopus-author-id57195970669
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationccb9c69d-2820-493b-ab44-77b0538814fa
relation.isAuthorOfPublication45f8c47c-b6ad-499a-99e7-4057e7aa8c2a
relation.isAuthorOfPublication.latestForDiscovery45f8c47c-b6ad-499a-99e7-4057e7aa8c2a

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