Comparing energy crops for biogas production – Yields, energy input and costs in cultivation using digestate and mineral fertilisation

Gissén, Charlott; Prade, Thomas; Kreuger, Emma; Nges, Ivo Achu; Rosenqvist, Håkan; Svensson, Sven-Erik; Lantz, Mikael; Mattsson, Jan; Börjesson, Pål; Björnsson, Lovisa

doi:10.1016/j.biombioe.2014.03.061

Cited by 133 publications

(103 citation statements)

References 19 publications

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“…A change in the production practice, in terms, for example, of technological diversifications or resource type usage, can lead to significant variations on the estimated outputs. For example, as reported in Gissén et al [6], by replacing mineral fertilizer with biogas digestate for six crops that were tested, the energy input in cultivation decreased by on average 34%. Sørensen et al [17] examined different cultivation practices and concluded that compared to the conventional intensive tillage based production system, the total energy input in crop production systems was decreased by 26% when the reduced tillage system was implemented and by 41% when the no-tillage system was implemented.…”

Section: Introductionmentioning

confidence: 71%

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A Web-Based Tool for Energy Balance Estimation in Multiple-Crops Production Systems

et al. 2017

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Biomass production systems include multiple-crops rotations, various machinery systems, diversified operational practices and several dispersed fields located in a range of distances between the various facilities (e.g., storage and processing facilities). These factors diversify the energy and cost requirements of the system. To that effect, assessment tools dedicated a single-crop production based on average standards cannot provide an insight evaluation of a specific production system, e.g., for a whole farm in terms of energy and cost requirements. This paper is the continuation of previous work, which presents a web-based tool for cost estimation of biomass production and transportation of multiple-crop production. In the present work, the tool is extended to additionally provide the energy balance of the examined systems. The energy input includes the whole supply chain of the biomass, namely crop cultivation, harvesting, handling of biomass and transportation to the processing facilities. A case study involving a real crop production system that feeds a biogas plant of 200 kW was selected for the demonstration of the tool's applicability. The output of the tool provides a series of indexes dedicated to the energy input and balance. The presented tool can be used for the comparison of the performance, in terms of energy requirements, between various crops, fields, operations practices, and operations systems providing support for decisions on the biomass production system design (e.g., allocation of crops to fields) and operations management (e.g., machinery system selection).

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Section: Introductionmentioning

confidence: 71%

“…In general, the quality of the input data can highly vary depending on the technical parameters of the production and transportation chains [6]. Furthermore, there are various production chains where production data are less available [7].…”

Section: Introductionmentioning

confidence: 99%

A Web-Based Tool for Energy Balance Estimation in Multiple-Crops Production Systems

et al. 2017

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“…Furthermore, future conversion technologies may broaden the crop and residue portfolio that can be used in the processes. Grain used for the production of distilled beverages was assumed to have energy conversion factors of 3.7 and 2.5 MWh/t dry matter for conversion to biogas and ethanol, respectively (Biograce, 2008;Gissén et al, 2014). …”

Section: Energy Potentialmentioning

confidence: 99%

“…Data coverage across all cereals was 97.7%, across all oilseed crops 93.1%. c Grain used for the production of distilled beverages was assumed to have energy conversion factors of 3.7 and 2.5 MWh/t dry matter for conversion to biogas and ethanol, respectively (Biograce, 2008;Gissén et al, 2014 Standard yield data for peas was applied for beans as well. h Yield of winter and summer turnip rape was assumed to be 70% of the corresponding winter and summer oilseed rape, respectively (Fogelfors, 2001).…”

Section: Nomentioning

confidence: 99%

Can domestic production of iLUC-free feedstock from arable land supply Sweden’s future demand for biofuels?

Prade

Björnsson

Lantz

et al. 2017

Journal of Land Use Science

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The increasing biofuel production from agricultural crops has been suggested to cause indirect land use change (iLUC). This increases interest in biofuel feedstocks that qualify as iLUC-free: (1) residues without a market, (2) crops from previously unused arable land, (3) additional crops and (4) biomass from intensified production. In the present study, biofuel potential from such feedstocks was quantified for Sweden and compared against the predicted biofuel demand from agricultural resources in 2030. The results indicate that straw (category 1) could cover up to 37% of future biofuel demand. Grass leys from intensified production (category 4), set-aside and abandoned land (category 2) and excess grass silage (category 1) could cover up to 79%. Intermediate and ecological focus area crops (category 3) could contribute up to 21%. To realize the biofuel targets, a high implementation rate of additional iLUC-free feedstock is needed. Future studies need to investigate impacts of low-iLUC policies.ARTICLE HISTORY

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“…Biogas plants operate mainly with three types of biomass sources: (i) farm by-products (such as animal slurries, agricultural residues and straw) [5]; (ii) agro-industrial and food industry by-products and residues [6]; (iii) the dedicated biomass produced specifically for energetic purposes [7].…”

Section: Introductionmentioning

confidence: 99%

Energy parameters and feedstock management in farm-scale biogas plants: survey in the North-East of Italy

Pezzuolo

Boscaro

Sartori

et al. 2017

Engineering for Rural Development

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Abstract. Biogas production from agricultural energy crops is considered as a promising alternative to reduce the current dependence on non-renewable energy sources. Among these, Anaerobic Digestion (AD) of different feedstock has proved to be an interesting energy source in rural areas, especially when the AD plants are fed with local available feedstock and the energy generated is used near the plant. Nowadays, more than 1100 agricultural biogas plants are operating in Italy, particularly in the northern regions. In Italy biogas plants are mainly concentrated in Po Valley regions, (Lombardia, Piemonte, Emilia-Romagna and Veneto); although the biogas policy scheme concerns all the country, these regions have a highly productive agricultural system and densely populated urban areas. In this paper, real operative data (gas yield and feedstock management) of 28 farm-scale biogas plants localized in the Po Valley (North-Eastern Italy) are summarized and analyzed to investigate the increasing factors of biogas production and identify the important parameters for further positive developments. The survey results suggest a positive outlook for other crops and agricultural waste integration into the AD supply chain. More than half of the biogas plants present a nominal power higher than 2.2 MW and electric power values that in 60.7 % of the cases amount to 0.999 MWe, in order to remain into the dimensional limits and to benefit from the maximum energetic incentive.

show abstract

Comparing energy crops for biogas production – Yields, energy input and costs in cultivation using digestate and mineral fertilisation

Cited by 133 publications

References 19 publications

A Web-Based Tool for Energy Balance Estimation in Multiple-Crops Production Systems

A Web-Based Tool for Energy Balance Estimation in Multiple-Crops Production Systems

Can domestic production of iLUC-free feedstock from arable land supply Sweden’s future demand for biofuels?

Energy parameters and feedstock management in farm-scale biogas plants: survey in the North-East of Italy

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