Feasibility of a novel use for agroindustrial biogas

Moreno, Laura C.; González, Alfonso González; Cuadros-Salcedo, Francisco; Cuadros-Blázquez, Francisco

doi:10.1016/j.jclepro.2016.12.060

Cited by 15 publications

(3 citation statements)

References 12 publications

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“…The NPV and IRR indicators were calculated according to Equations (2) and (3), respectively, as suggested by Moreno et al [ 39 ]:

where t is the time of the cash flow (year); n is the plant lifetime (15 years); CF t is the net cash flow in the t-th year; r is the discount rate (5%) and I 0 is the initial investment, which equals the total facility investment.

where IRR is the discount rate, which will make the NPV equal to zero.…”

Section: Methodsmentioning

confidence: 99%

Increasing the Content of Olive Mill Wastewater in Biogas Reactors for a Sustainable Recovery: Methane Productivity and Life Cycle Analyses of the Process

Benalia

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Stillitano

et al. 2021

Foods

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Anaerobic codigestion of olive mill wastewater for renewable energy production constitutes a promising process to overcome management and environmental issues due to their conventional disposal. The present study aims at assessing biogas and biomethane production from olive mill wastewater by performing biochemical methane potential tests. Hence, mixtures containing 0% (blank), 20% and 30% olive mill wastewater, in volume, were experimented on under mesophilic conditions. In addition, life cycle assessment and life cycle costing were performed for sustainability analysis. Particularly, life cycle assessment allowed assessing the potential environmental impact resulting from the tested process, while life cycle costing in conjunction with specific economic indicators allowed performing the economic feasibility analysis. The research highlighted reliable outcomes: higher amounts of biogas (80.22 ± 24.49 NL.kgSV−1) and methane (47.68 ± 17.55 NL.kgSV−1) were obtained when implementing a higher amount of olive mill wastewater (30%) (v/v) in the batch reactors. According to life cycle assessment, the biogas ecoprofile was better when using 20% (v/v) olive mill wastewater. Similarly, the economic results demonstrated the profitability of the process, with better performances when using 20% (v/v) olive mill wastewater. These findings confirm the advantages from using farm and food industry by-products for the production of renewable energy as well as organic fertilizers, which could be used in situ to enhance farm sustainability.

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“…The NPV and IRR indicators were calculated according to Equations (2) and (3), respectively, as suggested by Moreno et al [ 39 ]:

where IRR is the discount rate, which will make the NPV equal to zero.…”

Section: Methodsmentioning

confidence: 99%

Increasing the Content of Olive Mill Wastewater in Biogas Reactors for a Sustainable Recovery: Methane Productivity and Life Cycle Analyses of the Process

Benalia

Falcone

Stillitano

et al. 2021

Foods

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“…The NPV and IRR indicators were calculated according to Equations ( 1) and (2), respectively, as suggested by Moreno et al (2017):…”

Section: Extraction Phasementioning

confidence: 99%

Life cycle and circularity metrics to measure the sustainability of closed-loop agri-food pathways

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Stillitano

Iofrıda

et al. 2022

Front. Sustain. Food Syst.

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This work aims to present a methodological proposal based on Life Cycle (LC) methodologies, and circularity performance indicators, to assess closed-loop pathways by providing comprehensive results on economic and environmental impacts generated by agri-food production systems. The methodological approach will be tested on olive oil production systems, one of the most important agri-food chains for Mediterranean countries, whose import and export significance is set to grow in light of the shrinking market supply of seed oils. Some insights for the co-products valorization are provided through the evaluation of the reuse of by-products as a possible resource capable to improve the sustainability of the olive oil farms. The integrated application of three different methodologies, Life Cycle Assessment (LCA), Environmental Life Cycle Costing (ELCC) and Material Circularity Indicator (MCI), enabled comparative evaluation of Extra Virgin Olive Oil (EVOO) production under a linear production model with production under a circular model. The circular scenario was better in most environmental impact categories, registering an improvement in Global Warming Potential (GWP) of nearly 30%. In economic terms, there was a lower production cost for the circular scenario and a lower environmental cost by reducing the use of synthetic products through the reuse of waste products. The circular scenario recorded a higher degree of circularity due to a reduction in virgin raw materials used in the production process and a reduction in non-recoverable waste. The implementation of circular strategies represents one of the possible trajectories to guide the ecological transition, and the proposed methodological framework can support the decisions of both producers and public decision-makers toward more sustainable and efficient production patterns.

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“…Economic feasibility of the construction of a biogas plant for ACoD of POME and cattle manure: A preliminary data set is required for a commercial feasibility study of a plant. About 100,000 m 3 substrate/year is calculated to be treated considering the quantity of POME, cattle manure and the dilution applied (1:5) (20,000 m 3 POME without dilution/year, 2,000 tons cattle manure/year and for dilution 90,000 m 3 water/ year) [80]. The production of biogas per m 3 substrate is about 13 m 3 and the methane generation per m 3 substrate is about 6.85 m 3 [81].…”

Section: Pome Pretreatmentmentioning

confidence: 99%

Biomethane Production from Anaerobic Codigestion of Palm Oil Mill Effluent with Cattle Manure: A Review

et al. 2019

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Biogas is conventionally utilized in a gas engine to convert the chemical energy into electricity and into thermal energy for heating purposes and is also pumped into the natural gas grid line after impurities are removed. Biogas production from palm oil mill effluent is one of the best options for economic expansion and this would reduce environmental impacts in developing countries like Malaysia. This study aims to perform an analysis of the economic and environmental prospects of biogas production from the anaerobic codigestion method from palm oil mill effluent mixed with cow manure. Anaerobic codigestion technology is considered a practical process by which to overcome the complications of substance properties and system optimization in particular substance digestion operations. Comparisons among various treatment technologies of palm oil mill effluent and their applications have been studied thoroughly. The factors that affect biogas production, along with strategies for their improvement, were studied in present report. The economic feasibility of biogas plant where palm oil mill effluent and cattle manure are main substrates and anaerobic codigestion is the method, has been successfully predicted. Results revealed this might be more feasible if this technology is used on a large scale. Construction of the proposed biomethanization plant is economically feasible because it is projected that about a four-year return-on-investment will be achieved. In conclusion, the present work demonstrates a comprehensive feasibility framework by which to integrate the different features needed to enhance biomethane generation.

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Feasibility of a novel use for agroindustrial biogas

Cited by 15 publications

References 12 publications

Increasing the Content of Olive Mill Wastewater in Biogas Reactors for a Sustainable Recovery: Methane Productivity and Life Cycle Analyses of the Process

Increasing the Content of Olive Mill Wastewater in Biogas Reactors for a Sustainable Recovery: Methane Productivity and Life Cycle Analyses of the Process

Life cycle and circularity metrics to measure the sustainability of closed-loop agri-food pathways

Biomethane Production from Anaerobic Codigestion of Palm Oil Mill Effluent with Cattle Manure: A Review

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