Assessment of energy crops alternative to maize for biogas production in the Greater Region

Mayer, Fréderic; Gerin, Patrick A.; Noo, Anaïs; Lemaigre, Sébastien; Stilmant, Didier; Schmit, Thomas; Leclech, Nathael; Ruelle, Luc; Gennen, Jérôme; Francken-Welz, Herbert von; Foucart, Guy; Flammang, Jos; Weyland, Marc; Delfosse, Philippe

doi:10.1016/j.biortech.2014.05.054

Cited by 58 publications

(48 citation statements)

References 30 publications

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“…The highest methane yield of miscanthus was 5.500 ± 1 Â 10 6 Nl ha À1 as compared to maize (5.300 ± 1 Â 10 6 NL ha À1 ) and sorghum (4.100 ± 0.4 Â 10 6 Nl ha À1 ). Miscanthus yield reported by Mayer et al (2014) was higher than in the present study. Similar methane yield could be achieved if methane production from the whole plant is considered instead of from different fractions as dry matter yield observed in both studies were comparable.…”

Section: Methane Yield Per Hacontrasting

confidence: 83%

“…However, further study needed to ensure the crop is able to translocate its nutrients to its rhizome when harvesting in autumn. Mayer et al (2014) highlighted the potential of ensilage of M. Â giganteus harvested green in autumn as a promising alternative to maize for biomethanation. In the study, DM yield of miscanthus during second year of establishment was higher as compared to maize and sorghum which, led to greater methane yield.…”

Section: Methane Yield Per Hamentioning

confidence: 99%

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Methane production potential from Miscanthus sp.: Effect of harvesting time, genotypes and plant fractions

Wahid

Nielsen

Hernández

et al. 2015

Biosystems Engineering

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Section: Methane Yield Per Hacontrasting

confidence: 83%

Section: Methane Yield Per Hamentioning

confidence: 99%

Methane production potential from Miscanthus sp.: Effect of harvesting time, genotypes and plant fractions

Wahid

Nielsen

Hernández

et al. 2015

Biosystems Engineering

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“…Our finding of a strong influence of DM yield on estimated methane yield (Table 1, Figure 1) was confirmed by Graß et al [7], Grieder et al [19], Mayer et al [27], and Sieling et al [13]. Consequently, we recognized highest estimated methane yield of silage maize in Aiterhofen when cultivated in the rotation (catch crop mustard -) silage maize-winter wheat-winter wheat (9388 Nm 3¨h a´1) and lowest in this rotation in Harste (6458 Nm 3¨h a´1).…”

Section: Estimated Methane Yield Of Silage Maize and Sugar Beet Root supporting

confidence: 88%

Silage Maize and Sugar Beet for Biogas Production in Rotations and Continuous Cultivation: Dry Matter and Estimated Methane Yield

Brauer-Siebrecht¹,

Jacobs²,

Christen

et al. 2016

Agronomy

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Abstract:Since silage maize is the main crop grown for biogas production (biomass crop) in Germany; its increasing cultivation is critically discussed in terms of social and agronomical aspects. To investigate if sugar beet is suitable as an alternative biomass crop to silage maize; three-year field trials with both biomass crops in rotations with winter wheat (food crop) and continuous cultivation were conducted at three highly productive sites. Dry matter (DM) yield per hectare was measured via field trials whereas methane yield per hectare was estimated via a calculation. Higher annual DM yield was achieved by silage maize (19.5-27.4 t¨ha´1¨a´1) compared to sugar beet root (10.7-23.0 t¨ha´1¨a´1). Dry matter yield was found to be the main driver for the estimated methane yield. Thus; higher estimated methane yield was produced by silage maize (6458-9388 Nm 3¨h a´1) with overlaps to sugar beet root (3729-7964 Nm 3¨h a´1). We; therefore; classify sugar beet as a suitable alternative biomass crop to silage maize; especially when cultivated in crop rotations with winter wheat. Additionally; we found that the evaluation of entire crop rotations compared to single crops is a more precise approach since it includes rotational effects.

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“…In spite of conducting much research on the composition of Miscanthus and Sorghum, the advantages of that material in a biogas production have not been shown sufficiently. However, Mayer et al (2014) investigating the biomethane yield of various energy crops stated that Miscanthus is a promising alternative to maize for biomethanation. According to Whittaker et al(2016) the biogas yield from Miscanthus (Miscanthus 9 giganteus and Miscanthus sacchariflorus) depends on inter alia its harvest time.…”

Section: Introductionmentioning

confidence: 99%

Transformation of Miscanthus and Sorghum cellulose during methane fermentation

et al. 2018

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The purpose of the paper is designation of the changes in the structure of cellulose after the methane fermentation process of Miscanthus and Sorghum harvested during the growing season and afterwards. The percentage and structure of cellulose before and after fermentation were studied. Investigations into changes of the cellulose structure were conducted by the SEC, FT-IR and XRD methods. The average percentage of cellulose after the growing season for Miscanthus varieties was higher and for Sorghum varieties was lower. As a result of the fermentation, the percentage of cellulose for both investigated species harvested in two growth seasons was lower. The degree of polymerisation for the plants harvested after the growing season was lower for the most feedstock. As a result of the fermentation process, the degree of polymerization increased for each of the investigated feedstock. However, crystallinity of cellulose remained at the same level for Miscanthus and decreased for Sorghum. It was shown that changes were different in the cellulose structure of the compared species.

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Assessment of energy crops alternative to maize for biogas production in the Greater Region

Cited by 58 publications

References 30 publications

Methane production potential from Miscanthus sp.: Effect of harvesting time, genotypes and plant fractions

Methane production potential from Miscanthus sp.: Effect of harvesting time, genotypes and plant fractions

Silage Maize and Sugar Beet for Biogas Production in Rotations and Continuous Cultivation: Dry Matter and Estimated Methane Yield

Transformation of Miscanthus and Sorghum cellulose during methane fermentation

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