The BioValueChain model: a Norwegian model for calculating environmental impacts of biogas value chains

Lyng, Kari-Anne; Modahl, Ingunn Saur; Møller, Hanne; Morken, John; Briseid, Tormod; Hanssen, Ole Jørgen

doi:10.1007/s11367-015-0851-5

Cited by 27 publications

(28 citation statements)

References 14 publications

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“…The farms were assumed to use electricity as the energy carrier for heat, which causes few avoided emissions in comparison with diesel when assuming a Nordic/Baltic electricity mix. Previous studies confirm the importance of energy carriers substituted by biogas and that biogas used to substitute diesel represent considerable emission reductions [4,19,49]. Even if the heat generated by biogas substituted heat from oil combustion on the farm, the centralised plant option appeared to be preferable due to internal use of heat from biogas in the small-scale plant.…”

Section: Biogas Production From Manure As a Measure To Reduce Greenhomentioning

confidence: 91%

“…The calculation of the potential realistic biogas production for a farm scale plant at each farm was based on the theoretical biogas potential for the amounts of manure calculated by the number of cows and pigs on the farm; the realistic output of biogas from the digester, and conversion loss for heat generation, with data from Lyng et al (2015) [19].…”

Section: Input Data and Constraintsmentioning

confidence: 99%

“…The BioValueChain model was applied [19,31] using SimaPro 8.4.0 [32]. The background database used was EcoInvent 3.3 allocation cut off by classification (recycled content), as implemented in SimaPro [33].…”

Section: Calculation Of Potential Effect On Global Warmingmentioning

confidence: 99%

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Optimising Anaerobic Digestion of Manure Resources at a Regional Level

et al. 2018

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An optimisation model was developed to give decision support on methods of managing manure resources within a region to reduce greenhouse gases and at the same time obtain economic profitability for the farmer. The model was tested by performing a case study on 50 farms in one region in Norway. Based on input data on the number of cattle and pigs on each farm, and the transport distance between each farm and the nearest centralised biogas plant, the model calculates the economic profit of the farmer and the greenhouse gas emissions for three manure management alternatives: (1) no biogas production; (2) farm scale biogas production; and (3) centralised biogas production. The model could minimise the greenhouse gas emissions, maximise the profit for the farmers or a combination of the two. Results from the case study showed that both options for anaerobic digestion (farm scale and centralised biogas production) are beneficial in terms of the reduction of greenhouse gases and can be profitable for the farmers. The case study has validated the functionality and usefulness of the model. Some improvements are suggested for further development and use.

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Section: Biogas Production From Manure As a Measure To Reduce Greenhomentioning

confidence: 91%

Section: Input Data and Constraintsmentioning

confidence: 99%

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Optimising Anaerobic Digestion of Manure Resources at a Regional Level

et al. 2018

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“…A similar model was developed by Jensen et al [19], which additionally included energy balances and technical aspects of bioenergy production. Some models consider only the environmental life cycle assessment of the plant [20]. However, the most extensive scope was included in the work of Lyng et al [21], who developed an optimization for decision-making model on the utilization of specific control system for the biogas plant.…”

Section: Introductionmentioning

confidence: 99%

Anaerobic Digestate Treatment Selection Model for Biogas Plant Costs and Emissions Reduction

Đurđević

Hulenić

2020

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Agriculture is one of the leading sectors on the global level contributing to greenhouse gas (GHG) emissions increase. With the utilization of biogas production technology within the agriculture sector, ecological benefits could be achieved, with immediate economic profit. Therefore, to retain economic profit and environmental sustainability, implementation of bioeconomy principles is of key importance. This paper examines four options of digestate treatment, which is identified as one of the highest operational cost for the biogas plant. A simple and robust model in Excel Solver was developed to determine the best solution for minimising GHG emissions and maximise profit for the biogas plant operator, through an upgrade of the plant with digestate treatment technologies. The model was implemented on a case of a Croatian biogas plant and the best solution in terms of GHG reduction and profit increase proved to be fertilizer production (Option 1), through a crystallization process of struvite within the digestate. This option obtains a significant reduction in GHG emissions compared to standard biogas production without additional upgrades (Option 4), by over 90%, and increase of profit for the biogas plant operator, which diversifies the income source and creates multiple positive impacts on the environment.

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“…This approach was inspired by life cycle assessment methodologies. Existing models based on LCA (e.g., the BioValueChain, [26]), although being very precise, are usually time-consuming. MCBioCH 4 may be considered a simplified LCA approach, with the advantage of a more detailed and faster quantification of the impacts.…”

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confidence: 99%

Towards Circular Economy: Evaluation of Sewage Sludge Biogas Solutions

et al. 2019

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Today it is obvious that the existing linear model of the economy does not correlate with the principles of sustainable development. The circular economy model can replace the current linear economy whilst addressing the issues of environmental deterioration, social equity and long-term economic growth. In the context of effectively implementing circular economy objectives, particular importance should be attributed to wastewater treatment sludge management, due to the possibility of recovering valuable raw materials and using its energy potential. Anaerobic digestion is one of the methods of recovering energy from sewage sludge. The main goal of this study is to make a preliminary evaluation of possible sewage sludge biogas and biomethane solutions using a computation model called MCBioCH4 and compare its results with laboratory tests of sewage sludge fermentation from the northern wastewater treatment plant (WWTP) of Ekaterinburg (Russian Federation). Laboratory experiments were conducted to determine the volume and qualitative composition of biogas produced throughout anaerobic fermentation of raw materials coming from the WWTP. The specific productivity of samples ranged between 308.46 Nm3/tvs and 583.08 Nm3/tvs depending if mesophilic or thermophilic conditions were analyzed, or if the experiment was conducted with or without sludge pre-treatment. Output values from the laboratory were used as input for MCBioCH4 to calculate the flow of biogas or biomethane produced. For the case study of Ekaterinburg two possible energy conversion options were selected: B-H (biogas combustion with cogeneration of electrical and thermal energy) and M-T (biomethane to be used in transports). The results of the energy module showed a net energy content of the biogas between 6575 MWh/year and 7200 MWh/year. Both options yielded a favorable greenhouse gas (GHG) balance, meaning that avoided emissions are higher than produced emissions. The results discussion also showed that, in this case, the B-H option is preferable to the M-T option. The implementation of the biogas/biomethane energy conversion system in Ekaterinburg WWTP necessitates further investigations to clarify the remaining technical and economic aspects

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The BioValueChain model: a Norwegian model for calculating environmental impacts of biogas value chains

Cited by 27 publications

References 14 publications

Optimising Anaerobic Digestion of Manure Resources at a Regional Level

Optimising Anaerobic Digestion of Manure Resources at a Regional Level

Anaerobic Digestate Treatment Selection Model for Biogas Plant Costs and Emissions Reduction

Towards Circular Economy: Evaluation of Sewage Sludge Biogas Solutions

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