Production of Biogas Using Maize Silage Supplemented with Residual Glycerine from Biodiesel Manufacturing

Pokój, Tomasz; Gusiatin, Zygmunt M.; Bułkowska, Katarzyna; Dubis, Bogdan

doi:10.2478/aep-2014-0035

Cited by 9 publications

(6 citation statements)

References 17 publications

(17 reference statements)

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“…Introduction Maize (Zea mays L.) is the cereal with the largest global production and is of great economic importance for animal feeding, either as grain or as whole plant forage. Due to the high biomass productivity maize is also increasingly being used for biofuel and biogas production ( Herrmann et al., 2014 ; Pokój et al., 2014 ; Rath et al., 2015 ). In the 20-year period between 1991 and 2010, the annual increase in global maize production was 2.2%, achieved through an annual increase in production area of 0.9% and a global average annual yield increase a rate of 1.5%.…”

Section: Introductionmentioning

confidence: 99%

Yield Progress in Forage Maize in NW Europe—Breeding Progress or Climate Change Effects?

et al. 2020

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Yield increases in forage maize (Zea mays L.) in NW Europe over time are well documented. The driving causes for these, however, remain unclear as there is little information available regarding the role of plant traits triggering this yield progress. Ten different hybrids from the same maturity group, which have typically been cultivated in Northwest Germany from 1970 to recent and are thus representing breeding progress over four decades, were selected for a 2-year field study in northern Germany. Traits that were investigated included leaf area index, leaf architecture, photosynthesis, radiation use efficiency, root mass, root length density, and turnover. Based on a mixed model analysis with these traits as co-variates, parameters related to leaf characteristics, in particular the number and length of leaves, the radiation use efficiency, and the leaf orientation, were identified as most influential on the yield progress (0.13 tons ha-1 year-1). In contrast to our hypothesis, root biomass only increased negligibly in newer hybrids compared to older ones, confirming the 'functional equilibrium' theory for high input production systems. Due to an abundance of nutrients and water in such high input systems, there is no incentive for breeders to select for carbon partitioning toward the rooting system. Breeding evidence to increase forage quality were also negligible, with no change in cob starch concentration, forage digestibility, nor NDF content and NDF digestibility. The observed increase in yield over the last four decades is due to a combination of increased temperature sums (~240 GDD within 40 years), and a higher radiation interception and radiation use efficiency. This higher radiation interception was driven by an increased leaf area index, with a higher number of leaves (16 instead of 14 leaves within 40 years) and longer leaves of newer compared to older hybrids. Future selection and adaptation of maize hybrids to changing environmental conditions are likely to be the key for high productivity and quality and for the economic viability of maize growing and expansion in Northern Europe.

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Section: Introductionmentioning

confidence: 99%

Yield Progress in Forage Maize in NW Europe—Breeding Progress or Climate Change Effects?

et al. 2020

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“…The most popular method of sludge stabilization is methane fermentation, which is a multi-track process that transforms organic compounds into biogas and digested sludge. Methane fermentation has become an alternative energy source because methane from biogas can be used to produce heat during combustion and energy cogeneration (Pokój et al 2014, Amani et al 2010.…”

Section: Introductionmentioning

confidence: 99%

Microbiota of anaerobic digesters in a full-scale wastewater treatment plant

Świątczak

Cydzik‐Kwiatkowska

Rusanowska

2017

Archives of Environmental Protection

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Abstract:Anaerobic digestion is an important technology for the bio-based economy. The stability of the process is crucial for its successful implementation and depends on the structure and functional stability of the microbial community. In this study, the total microbial community was analyzed during mesophilic fermentation of sewage sludge in full-scale digesters.The digesters operated at 34-35°C, and a mixture of primary and excess sludge at a ratio of 2:1 was added to the digesters at 550 m 3 /d, for a sludge load of 0.054 m 3 /(m 3 ·d). The amount and composition of biogas were determined. The microbial structure of the biomass from the digesters was investigated with use of next-generation sequencing.The percentage of methanogens in the biomass reached 21%, resulting in high quality biogas (over 61% methane content). The abundance of syntrophic bacteria was 4.47%, and stable methane production occurred at a Methanomicrobia to Synergistia ratio of 4.6:1.0. The two most numerous genera of methanogens (about 11% total) were Methanosaeta and Methanolinea, indicating that, at the low substrate loading in the digester, the acetoclastic and hydrogenotrophic paths of methane production were equally important. The high abundance of the order Bacteroidetes, including the class Cytophagia (11.6% of all sequences), indicated the high potential of the biomass for effi cient degradation of lignocellulitic substances, and for degradation of protein and amino acids to acetate and ammonia.This study sheds light on the ecology of microbial groups that are involved in mesophilic fermentation in mature, stably-performing microbiota in full-scale reactors fed with sewage sludge under low substrate loading.

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“…For this substrate, this parameter is optimal for conducting the methane fermentation process (Mao et al 2015, Yein andBrune 2007). In the case of PM and SHM, it is necessary to select the appropriate co-substrates that allow the parameter to be adjusted or the technology to reduce the nitrogen content (Pokój et al 2014).…”

Section: Characteristic Of Substratesmentioning

confidence: 99%

Archives of Environmental Protection

Kozłowski¹,

Dach²,

Lewicki³

et al. 2019

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The substrates to biogas production in anaerobic digestion, except plant materials, can also be animal feces and manure. It should be highlighted that Poland is one of leaders in the European Union in animal breeding. However, there is no precise data in the literature on the potential of biogas production from animal feces in this country. The aim of the paper was to analyze the biogas production potential from manure in Poland. The aim of work included anaerobic digestion research following materials: cow manure, pig manure, poultry manure and sheep manure. In the next step, based on the obtained results of the biogas yield, energy potential calculations were made. The methane yield for the investigated feedstock materials in the batch culture technology was performed following the internal procedures developed based on the adapted standards, i.e. DIN 38 414-S8 and VDI 4630. Animal wastes were obtained from the Agricultural Experimental Stations of Poznan University of Life Sciences (Poznan, Poland). On a base of achieved results it was concluded that tested substrates have a high energy potential (approx. 28.52 GWh of electricity). The largest potential for electricity production was found in chicken manure (about 13.86 GWh) and cow manure (about 12.35 GWh). It was also shown which regions of Poland have the best chance for development of agriculture biogas plants (Wielkopolskie and Mazowieckie voivodships) and where the potential is the least (Lubuskie and Opolskie voivodeships).

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Production of Biogas Using Maize Silage Supplemented with Residual Glycerine from Biodiesel Manufacturing

Cited by 9 publications

References 17 publications

Yield Progress in Forage Maize in NW Europe—Breeding Progress or Climate Change Effects?

Yield Progress in Forage Maize in NW Europe—Breeding Progress or Climate Change Effects?

Microbiota of anaerobic digesters in a full-scale wastewater treatment plant

Archives of Environmental Protection

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