Biological CO2-Methanation: An Approach to Standardization

Thema, Martin; Weidlich, Tobias; Hörl, Manuel; Bellack, Annett; Mörs, Friedemann; Hackl, Florian; Kohlmayer, Matthias; Gleich, Jasmin; Stabenau, Carsten; Trabold, Thomas A.; Neubert, Michael; Ortloff, Felix; Brotsack, Raimund; Schmack, Doris; Huber, Harald; Hafenbradl, Doris; Karl, Jürgen; Sterner, Michael

doi:10.3390/en12091670

Cited by 91 publications

(56 citation statements)

References 53 publications

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“…5). A general approach for the evaluation of the efficiency of PtG plants is given in 25, 26. For the evaluation of the demo sites, the input and output energy flows (for chemical (

{\overset{\cdot}{E}}_{i, ch}

), electrical ( P el ), and thermal (

{\overset{\cdot}{E}}_{th}

) energy) of the core technologies must be considered.…”

Section: Technical Evaluation Of the Demo Sitesmentioning

confidence: 99%

Renewable Power‐to‐Gas: A Technical and Economic Evaluation of Three Demo Sites Within the STORE&GO Project

Schlautmann

Böhm

Zauner

et al. 2021

Chemie Ingenieur Technik

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For a successful energy transition, Power‐to‐Gas (PtG) offers the opportunity to convert renewable electricity to substitute natural gas. This renewable synthetic natural gas (SNG) can be used for long‐term storage, transport, or can be integrated into other energy sectors. Main challenges for the commercial application of PtG are to achieve a high PtG process efficiency, dynamic operation capability, and low investment and production costs. Within the STORE&GO project, three demo sites were developed, operated, and evaluated. An overall efficiency of > 75 % is possible, the SNG production costs are expected to drop to less than 10 €‐Cent kWh−1 in 2050.

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“…5). A general approach for the evaluation of the efficiency of PtG plants is given in 25, 26. For the evaluation of the demo sites, the input and output energy flows (for chemical (

{\overset{\cdot}{E}}_{i, ch}

), electrical ( P el ), and thermal (

{\overset{\cdot}{E}}_{th}

) energy) of the core technologies must be considered.…”

Section: Technical Evaluation Of the Demo Sitesmentioning

confidence: 99%

Renewable Power‐to‐Gas: A Technical and Economic Evaluation of Three Demo Sites Within the STORE&GO Project

Schlautmann

Böhm

Zauner

et al. 2021

Chemie Ingenieur Technik

Self Cite

View full text Add to dashboard Cite

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“…However, the gas quality specifications are different across the European Union [626]. The inhomogeneities of gas grid injection European legislation is a critical issue for cross-border gas transport.…”

Section: Gas Quality and Interchangeabilitymentioning

confidence: 99%

Green Synthetic Fuels: Renewable Routes for the Conversion of Non-Fossil Feedstocks into Gaseous Fuels and Their End Uses

et al. 2020

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Innovative renewable routes are potentially able to sustain the transition to a decarbonized energy economy. Green synthetic fuels, including hydrogen and natural gas, are considered viable alternatives to fossil fuels. Indeed, they play a fundamental role in those sectors that are difficult to electrify (e.g., road mobility or high-heat industrial processes), are capable of mitigating problems related to flexibility and instantaneous balance of the electric grid, are suitable for large-size and long-term storage and can be transported through the gas network. This article is an overview of the overall supply chain, including production, transport, storage and end uses. Available fuel conversion technologies use renewable energy for the catalytic conversion of non-fossil feedstocks into hydrogen and syngas. We will show how relevant technologies involve thermochemical, electrochemical and photochemical processes. The syngas quality can be improved by catalytic CO and CO2 methanation reactions for the generation of synthetic natural gas. Finally, the produced gaseous fuels could follow several pathways for transport and lead to different final uses. Therefore, storage alternatives and gas interchangeability requirements for the safe injection of green fuels in the natural gas network and fuel cells are outlined. Nevertheless, the effects of gas quality on combustion emissions and safety are considered.

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“…The fundamental assumption of this economic analysis is that during the rapid growth of PV capacities in Hungary, the Hungarian feed-in tariff (FiT) system and its green premium [33], which provides higher electricity prices for renewable energy producers to incite more PV investments, negatively affects the P2M business model and its attractiveness for investors. As P2M technologies are key in energy storage [34], further regulatory changes and incentives are needed to avoid energy loss and network imbalance. There is a clear need for a system in which seasonal energy storage can be incited and realized but without impeding the further growth of PV capacity in the country.…”

Section: Applied Model For the Calculation Of Seasonal Energy Storagementioning

confidence: 99%

Seasonal Energy Storage Potential Assessment of WWTPs with Power-to-Methane Technology

Csedő

Sinóros-Szabó²,

Zavarkó

2020

Energies

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Power-to-methane technology (P2M) deployment at wastewater treatment plants (WWTPs) for seasonal energy storage might land on the agenda of decision-makers across EU countries, since large WWTPs produce a notable volume of biogas that could be injected into the natural gas grid with remarkable storage capacities. Because of the recent rapid increase of local photovoltaics (PV), it is essential to explore the role of WWTPs in energy storage and the conditions under which this potential can be realized. This study integrates a techno-economic assessment of P2M technology with commercial/investment attractiveness of seasonal energy storage at large WWTPs. Findings show that a standardized 1 MWel P2M technology would fit with most potential sites. This is in line with the current technology readiness level of P2M, but increasing electricity prices and limited financial resources of WWTPs would decrease the commercial attractiveness of P2M technology deployment. Based on a Hungarian case study, public funding, biomethane feed-in tariff and minimized or compensated surplus electricity sourcing costs are essential to realize the energy storage potential at WWTPs.

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Biological CO2-Methanation: An Approach to Standardization

Cited by 91 publications

References 53 publications

Renewable Power‐to‐Gas: A Technical and Economic Evaluation of Three Demo Sites Within the STORE&GO Project

Renewable Power‐to‐Gas: A Technical and Economic Evaluation of Three Demo Sites Within the STORE&GO Project

Green Synthetic Fuels: Renewable Routes for the Conversion of Non-Fossil Feedstocks into Gaseous Fuels and Their End Uses

Seasonal Energy Storage Potential Assessment of WWTPs with Power-to-Methane Technology

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