A vision of European biogas sector development towards 2030: Trends and challenges

Brémond, Ulysse; Bertrandias, Aude; Steyer, Jean-Philippe; Bernet, Nicolas; Carrère, Hélène

doi:10.1016/j.jclepro.2020.125065

Cited by 110 publications

(63 citation statements)

References 68 publications

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“…In the EU, electricity generated from biogas was 22 TW h/year in 2020 [139]. Moreover, the expectation is that it will reach 640 TW h/year, a 30-fold increase [140]. After 2017, greenhouse gas emissions were reduced by 60% due to biogas utilization [75].…”

Section: Utilization Of Biogasmentioning

confidence: 99%

A Critical Overview of the State-of-the-Art Methods for Biogas Purification and Utilization Processes

et al. 2021

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Biogas is one of the most attractive renewable resources due to its ability to convert waste into energy. Biogas is produced during an anaerobic digestion process from different organic waste resources with a combination of mainly CH4 (~50 mol/mol), CO2 (~15 mol/mol), and some trace gasses. The percentage of these trace gases is related to operating conditions and feedstocks. Due to the impurities of the trace gases, raw biogas has to be cleaned before use for many applications. Therefore, the cleaning, upgrading, and utilization of biogas has become an important topic that has been widely studied in recent years. In this review, raw biogas components are investigated in relation to feedstock resources. Then, using recent developments, it describes the cleaning methods that have been used to eliminate unwanted components in biogas. Additionally, the upgrading processes are systematically reviewed according to their technology, recovery range, and state of the art methods in this area, regarding obtaining biomethane from biogas. Furthermore, these upgrading methods have been comprehensively reviewed and compared with each other in terms of electricity consumption and methane losses. This comparison revealed that amine scrubbing is one the most promising methods in terms of methane losses and the energy demand of the system. In the section on biogas utilization, raw biogas and biomethane have been assessed with recently available data from the literature according to their usage areas and methods. It seems that biogas can be used as a biofuel to produce energy via CHP and fuel cells with high efficiency. Moreover, it is able to be utilized in an internal combustion engine which reduces exhaust emissions by using biofuels. Lastly, chemical production such as biomethanol, bioethanol, and higher alcohols are in the development stage for utilization of biogas and are discussed in depth. This review reveals that most biogas utilization approaches are in their early stages. The gaps that require further investigations in the field have been identified and highlighted for future research.

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Section: Utilization Of Biogasmentioning

confidence: 99%

A Critical Overview of the State-of-the-Art Methods for Biogas Purification and Utilization Processes

et al. 2021

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“…However, studies show also methane losses relative to the calculated production rate ranged from 0.02 to 8.1%, the benefit of processing manure into biogas will be greater than manure management regarding emission reduction. In any case, a biogas system in agriculture needs to be understood more as a servicing function to farming rather than the purpose of farming [18][19][20][21].…”

Section: Fig2 Amount Of Manure Processed In Biogas Plants In 2019 Calculated By Groups Of Livestockmentioning

confidence: 99%

Livestock manure use for biogas production in Latvia

Priekulis

Frolova

Bērziņa

et al. 2021

20th International Scientific Conference Engineering for Rural Development Proceedings

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The raw material distribution used for the production of biogas in Latvia in 2019 has been identified in the plants where manure is used as feedstock. The focus of the study was on quantification of processed manure in biogas and estimation of the exploited potential. It has been established that in the production of biogas mainly dairy cow slurry, calf and heifer solid manure, considering that these animals are not placed in pastures, pig slurry from large farms and laying hen manure from cage housing are used. In addition, various other biomasses are used: maize silage, animal fodder residuals, animal slaughterhouse bio waste, sewage sludge, molasses, etc. The mass of other biomass may represent up to 50% of the amount of manure processed. In Latvia in 2019, 37 biogas plants used manure as feedstock. The total amount of manure processed was 840.8 thousand tonnes. Of these, 34.7% were cattle slurry and litter, 44.1% was pig slurry and 61.9% was laying hen manure. This means that the possibilities for manure processing in biogas because the capacity is not currently exhausted can be significantly increased in the future due to intensification of the livestock farming.

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“…The paradigm of development for the European biogas sector has changed significantly in recent years owing to higher sustainability requirements and cost production reduction as the main drivers of new trends in biogas production and utilisation [1]. Most biogas plants (especially in less mature biogas systems) still use cultivated energy crops (primarily maize silage), which increase the inefficient use of arable land and compete with food production [2].…”

Section: Introductionmentioning

confidence: 99%

Geospatial Analysis and Environmental Impact Assessment of a Holistic and Interdisciplinary Approach to the Biogas Sector

et al. 2021

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Crop-based biogas energy production, in combination with electricity generation under subsidy schemes, is no longer considered a favourable business model for biogas plants. Switching to low-cost or gate fee feedstocks and utilising biogas via alternative pathways could contribute to making existing plants fit for future operations and could open up new space for further expansion of the biogas sector. The aim of this study was to combine a holistic and interdisciplinary approach for both the biogas production side and the utilisation side to evaluate the impact of integrating the biogas sector with waste management systems and energy systems operating with a high share of renewable energy sources. The geospatial availability of residue materials from agriculture, industry and municipalities was assessed using QGIS software for the case of Northern Croatia with the goal of replacing maize silage in the operation of existing biogas plants. Furthermore, the analysis included positioning new biogas plants, which would produce renewable gas. The overall approach was evaluated through life cycle assessment using SimaPro software to quantify the environmental benefits and identify the bottlenecks of the implemented actions. The results showed that the given feedstocks could replace 212 GWh of biogas from maize silage in the relevant region and create an additional 191 GWh of biomethane in new plants. The LCA revealed that the proposed measures would contribute to the decarbonisation of natural gas by creating environmental benefits that are 36 times greater compared to a business-as-usual concept. The presented approach could be of interest to stakeholders in the biogas sector anywhere in the world to encourage further integration of biogas technologies into energy and environmental transitions.

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A vision of European biogas sector development towards 2030: Trends and challenges

Cited by 110 publications

References 68 publications

A Critical Overview of the State-of-the-Art Methods for Biogas Purification and Utilization Processes

A Critical Overview of the State-of-the-Art Methods for Biogas Purification and Utilization Processes

Livestock manure use for biogas production in Latvia

Geospatial Analysis and Environmental Impact Assessment of a Holistic and Interdisciplinary Approach to the Biogas Sector

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