Simulation and introduction of a CHP plant in a Swedish biogas system

Amiri, Shahnaz; Henning, Dag; Karlsson, Björn

doi:10.1016/j.renene.2012.01.022

Cited by 44 publications

(19 citation statements)

References 11 publications

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“…Under the appropriate policy and producer responsibility, different raw materials such as solid cattle slaughterhouse wastes, manure, various crops and MSW have been commercially used for the anaerobic co-digestion in a large-scale biogas plant (Pag es-Díaz et al, 2014) and the use of biogas was as a local fuel for transportation (Amiri et al, 2013). For instance, the generated bio-gas from co-digestion process, as shown in Fig.…”

Section: Type III Waste: Animal Residues Utilized For Biogas Productionmentioning

confidence: 99%

Strategies on implementation of waste-to-energy (WTE) supply chain for circular economy system: a review

Pan

Huang

et al. 2015

Journal of Cleaner Production

492

203

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Section: Type III Waste: Animal Residues Utilized For Biogas Productionmentioning

confidence: 99%

Strategies on implementation of waste-to-energy (WTE) supply chain for circular economy system: a review

Pan

Huang

et al. 2015

Journal of Cleaner Production

492

203

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“…Nowadays, general scientific consensus believes that global warming is caused by the emission of anthropogenic greenhouse gases (GHG), mainly derived from fossil fuel combustion [1,2]. Moreover, securing energy supply is a key target [3]; since its demand has soared under the pressure of developing countries, which have increased their production schemes [4]. Therefore, the use of renewable resources, the efficient energy production and the reduction of energy use are priorities on the European political agenda towards a more sustainable future [3].…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, securing energy supply is a key target [3]; since its demand has soared under the pressure of developing countries, which have increased their production schemes [4]. Therefore, the use of renewable resources, the efficient energy production and the reduction of energy use are priorities on the European political agenda towards a more sustainable future [3]. In this context, the European Commission has adopted the ambitious target to increase the ratio of renewable energy up to 20% by 2020 [5].…”

Section: Introductionmentioning

confidence: 99%

Life Cycle Assessment of electricity production in Italy from anaerobic co-digestion of pig slurry and energy crops

et al. 2014

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a b s t r a c tThis study aims to evaluate the environmental consequences and energy requirements of a biogas production system and its further conversion into bioenergy by means of the Life Cycle Assessment (LCA) methodology. To do so, an Italian biogas plant operating with pig slurry and two energy crops (maize and triticale silages) as feedstock was assessed in detail in order to identify the environmental hotspots. The environmental profile was estimated through six impact categories: abiotic depletion potential (ADP), acidification potential (AP), eutrophication potential (EP), global warming potential (GWP), ozone layer depletion potential (ODP) and photochemical oxidation potential (POFP). An energy analysis related to the cumulative non-renewable fossil and nuclear energy demand (CED) was also performed, considering this indicator as an additional impact category.According to the results, the biomass production subsystem was identified as the main environmental key issue in terms of ADP, AP, EP, ODP and CED, with contributions ranging from 26% to 61% of the total impact. Regarding ADP, ODP and CED, these results are mainly related with diesel requirements in agricultural machinery, derived combustion emissions and mineral fertilizers production. Concerning AP and EP the production field emissions derived from fertilizers application was observed as the main contributor. Concerning GWP, this step presents an environmental credit due to the uptake of CO 2 during crop growth, which contributes to offset the GHG emissions. The bioenergy production plant significantly contributes to the environmental impact in categories such as GWP (43%) and POFP (59%), mostly related with emissions produced in the gas engine and biogas losses. Emissions derived from digestate storage contribute to AP (52%) and EP (41%). The use of the digestate as an organic fertilizer has a beneficial role because this action avoids the production and use of mineral fertilizers.A sensitivity analysis was also conducted to assess the influence of variations in important parameters of biogas systems. The environmental profile of the biogas system turned out to be highly dependent on the selection of system boundaries and the allocation method.To sum up, this study aims to assess the environmental performance of a biogas technology available not only in Italy but also in other European countries. The environmental analysis of the process under study highlights the environmental benefits of the co-digestion processes, which not only produces biofuel but also reduces the disposal of solid wastes and produces digestate, with special value in the fertilization of agricultural soil.

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“…MODEST may be used to analyze different energy systems and components, both on a local and national level. The software was mainly developed for studies regarding DHC [59,[61][62][63], but other studies using MODEST include the national electricity grid [64], utilizing waste heat from industries [65,66], introducing large-scale heat pumps in DH [67] and biogas systems [68].…”

Section: The Optimization Software Modestmentioning

confidence: 99%

Analyzing the Performance and Control of a Hydronic Pavement System in a District Heating Network

et al. 2019

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A hydronic pavement system (HPS) is an alternative method to clear snow and ice, which avoids the use of salt, sand, and fossil fuel in conventional snow clearance, and minimizes the risk of accidents. The aim is to analyze the performance of different control strategies for a 35,000 m2 HPS utilizing heat from a district heating and cooling (DHC) system. The key performance indicators are (1) energy performance of the HPS, and (2) primary energy use, (3) electricity production and (4) greenhouse gas (GHG) emissions from the DHC system. The methodology uses a simulation model of the HPS and an optimization model of the DHC system. Three operational strategies are analyzed: A reference scenario based on the current control strategy, and scenarios where the HPS is shut down at temperatures below −10 °C and −5 °C. The study shows that the DHC return temperature is suitable for use. By operational strategies, use during peak demand in the DHC system can be avoided, resulting in reduced use of fossil fuel. Moreover, the energy use of the HPS could be reduced by 10% and the local GHG emissions by 25%. The study emphasizes that the HPS may have positive effects on global GHG emissions, as it enables electricity production from renewable resources.

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Simulation and introduction of a CHP plant in a Swedish biogas system

Cited by 44 publications

References 11 publications

Strategies on implementation of waste-to-energy (WTE) supply chain for circular economy system: a review

Strategies on implementation of waste-to-energy (WTE) supply chain for circular economy system: a review

Life Cycle Assessment of electricity production in Italy from anaerobic co-digestion of pig slurry and energy crops

Analyzing the Performance and Control of a Hydronic Pavement System in a District Heating Network

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