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The reactant data sheet series provides an overview of biogas production from biowaste, cereal straw, green waste and cattle slurry. The mobilizable potential of a feedstock in Germany is shown and specific methane yields are presented. In addition, the feedstock data sheets contain information on the material and energy use of the respective feedstock, as well as its mobilizable technical potential. Furthermore, the status quo for biogas production of the respective feedstock in Germany is described and considered in the context of technological challenges. In addition, an exemplary composition of the feedstock is presented, as well as legal framework conditions that have to be considered when fermenting the respective feedstock.
Educt data sheet: biowaste
In the context of the Pilot-SBG project, biowaste includes food and kitchen waste from private households, which is collected proportionally via the organic waste garbage can and mixed municipal waste (household waste), as well as previously uncollected quantities that are composted privately, for example. Biowaste, along with green waste and landscape maintenance waste, is thus included in biowaste as defined by the Closed Substance Cycle Waste Management Act.
» Download [German Version] (PDF, 235 KB)
Educt data sheet: Cereal straw
Straw is the main by-product of agricultural grain production and has a high untapped potential for increased material as well as energetic utilization. With the help of microorganisms, lignocellulose-rich straw can be biologically converted directly into biogas as an energy source. In addition to the wheat straw considered here, this also applies to the straw of other cereals and other crops such as rapeseed.
» Download [German Version] (PDF, 209 KB)
Educt data sheet: Green waste
In the context of the Pilot-SBG project, green waste includes garden and park waste, proportionately from organic waste garbage cans and proportionately from mixed municipal waste (household waste), as well as garden and park waste collected separately and not previously. Alongside biowaste and landscape maintenance waste, green waste is thus bio-waste as defined by the Closed Substance Cycle Waste Management Act.
» Download [German Version] (PDF, 219 KB)
Educt data sheet: Cattle slurry
Cattle slurry is produced in large quantities during animal husbandry. The energy content of cattle slurry varies widely depending on the design of the barn, the manure removal process, the slurry management (storage period, use of water) and the proportion of feed residues. With the help of microorganisms, cattle manure can be converted into biogas and a fermentation product. Depending on the regional cattle density, the fermentation products can be used locally as a valuable organic fertilizer in crop cultivation or have to be exported to other regions after complex processing.
» Download [German Version] (PDF, 199 KB)
Presentations
Presentation by Niels Dögnitz at EUBCE 2023
"In order to achieve climate targets in transport, the greenhouse gas emission reduction quota (GHG quota) for petroleum companies was introduced in Germany. A complicated system of caps, limits, and multiple credits for different competing fuel options and new participants creates uncertainty in the market. The revenue from quota trading is a strong incentive for all producers of sustainable biomass fuel. However, the resulting quota price is difficult to determine due to regulatory complexity and thus represents an additional level of uncertainty. For better estimation, a model is designed to overcome these uncertainties. In this model, compliance options are ranked by lowest cost relative to their greenhouse gas savings (abatement costs). This ranking results in a merit order in the form of a supply curve, with the ratio forming the demand frontier. The modeling approach can be used to better understand the impact on the fuel market. The main objective is to determine the quota price, which is the driving force for quota trading. This can help to better assess the risk for renewable fuel options."
Presentation by Christian Klüpfel at PYROLIQ II – 2023: Pyrolysis and Liquefaction of Biomass and Wastes auf Schloss Hernstein (Österreich), 2023
Christian Klüpfel, Deutsches Biomasseforschungszentrum, Germany. Patrick Biller, Aarhus University, Denmark. Benjamin Herklotz, Deutsches Biomasseforschungszentrum, Germany.
Selina Nieß received second place for the best presentation of the DGAW Science Award.
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"Karin Naumann, Deutsches Biomasseforschungszentrum gGmbH, presented the pilot plant for synthetic biogas, which converts biogenic residues, by-products and waste into methane for a sustainable transport sector. In the process, production with green hydrogen from 100% renewable electricity resulted in greenhouse gas savings of 78%, Naumann said in her report."
Source: 20th International Conference on Renewable Mobility CONFERENCE REVIEW.
Karin Naumann, Jörg Schröder, Franziska Müller-Langer, Kati Görsch
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Dr. Friederike Naegeli de Torres, Tom Karras, Sebastian Semella
Deutsches Flächennutzungssymposium (DFNS), June 15th 2022
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Conference reader: SynBioPTx - Synergies of biomass- and electricity-based technologies
The pressure to act for a rapid transformation of the energy system towards sustainable renewable energy yields and products while significantly reducing greenhouse gas emissions is increasing enormously for all sectors. In order to increase reliability, strengthen weak links in the chain, reduce costs and at the same time increase sustainability, enormous research efforts are also necessary. In this context, it is indispensable to strengthen the systemic view and to pursue sustainable paths. The conference reader for the workshop presents exemplary SynBioPTx approaches for exploiting the synergies of technologies for biomass- and electricity-based manufactured products.
