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Life Cycle Assessment of waste disposal from olive oil production: Anaerobic digestion and conventional disposal on soil

Extra virgin olive-oil (EVO) production is an important economic activity for several countries, especially in the Mediterranean area such as Spain, Italy, Greece and Tunisia. The two major by-products from olive oil production, solid-liquid Olive Pomace (OP) and the Olive Mill Waste Waters (OMWW), are still mainly disposed on soil, in spite of the existence of legislation which already limits this practice. The present study compares the environmental impacts associated with two different scenarios for the management of waste from olive oil production through a comparative Life Cycle Assessment (LCA). The two alternative scenarios are: (I) Anaerobic Digestion and (II) Disposal on soil. The analysis was performed through SimaPro software and the assessment of the impact categories was based on International Life Cycle Data and Cumulative Energy Demand methods. Both the scenarios are mostly related to the cultivation and harvesting phase and are highly dependent on the irrigation practice and related energy demand. Results from the present study clearly show that the waste disposal on soil causes the worst environmental performance of all the impact categories considered here. Important environmental benefits have been identified when anaerobic digestion is chosen as the final treatment. It was consequently demonstrated that anaerobic digestion should be a feasible alternative for olive mills, to produce biogas from common olive oil residues, reducing the environmental burden and adding value to the olive oil production chain.
- University of Verona Italy
- European Automobile Manufacturers Association Belgium
- Department of Science and Technology Philippines
- Polytechnic University of Turin Italy
- University of Catania Italy
Tunisia, Biogas, Ingeniería Industrial, Agro-food waste; Anaerobic digestion; Biogas; Life cycle assessment (LCA); Waste management; Anaerobiosis; Greece; Italy; Olive Oil; Spain; Tunisia; Soil, Soil, Agro-food waste; Anaerobic digestion; Biogas; Life cycle assessment (LCA); Waste management, Anaerobic digestion, Anaerobiosis, Waste management, Olive Oil, Greece, agro-food waste; anaerobic digestion; biogas; life cycle assessment (LCA); waste management; environmental engineering; waste management and disposal; management, monitoring, policy and law, Agro-food waste, Italy, Spain, Life cycle assessment (LCA)
Tunisia, Biogas, Ingeniería Industrial, Agro-food waste; Anaerobic digestion; Biogas; Life cycle assessment (LCA); Waste management; Anaerobiosis; Greece; Italy; Olive Oil; Spain; Tunisia; Soil, Soil, Agro-food waste; Anaerobic digestion; Biogas; Life cycle assessment (LCA); Waste management, Anaerobic digestion, Anaerobiosis, Waste management, Olive Oil, Greece, agro-food waste; anaerobic digestion; biogas; life cycle assessment (LCA); waste management; environmental engineering; waste management and disposal; management, monitoring, policy and law, Agro-food waste, Italy, Spain, Life cycle assessment (LCA)
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).66 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Top 1% influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Top 10% impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Top 1% visibility views 25 download downloads 143 - 25views143downloads
Data source Views Downloads Repositorio Institucional de la Universidad Carlos III de Madrid 25 143


