A Cost Estimation for CO2 Reduction and Reuse by Methanation from Cement Industry Sources in Switzerland

Baier, Jens; Schneider, Gabriel; Heel, André

doi:10.3389/fenrg.2018.00005

Cited by 36 publications

(16 citation statements)

References 14 publications

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“…Further, some other concerns need to be addressed regarding HENG blend, namely those related to process control, safety, and public acceptance [19]. It is neither possible nor legal to blend hydrogen in high concentration with natural gas (more than 20 vol% H 2 ) because that will result in natural gas composition change, which affects consumer devices [50].…”

Section: Scenario Amentioning

confidence: 99%

Allocation of Ontario’s Surplus Electricity to Different Power-to-Gas Applications

et al. 2019

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Power-to-Gas (PtG) is a potential means of managing intermittent and weather-dependent renewable energies to create a storable chemical energy form. Power-to-Gas is not only a storage technology; its role can be extended to many other applications including energy distribution, transportation, and industrial use. This study quantifies the hydrogen volumes upon utilizing Ontario, Canada’s surplus electricity baseload and explores the allocation of the hydrogen produced to four Power-to-Gas pathways in terms of economic and environmental benefits, focusing on the following Power-to-Gas pathways: Power-to-Gas to mobility fuel, Power-to-Gas to industry, Power-to-Gas to natural gas pipelines for use as hydrogen-enriched natural gas, and Power-to-Gas to renewable natural gas (i.e., Methanation). The study shows that the Power-to-Gas to mobility fuel pathway has the potential to be implemented. Utilization of hydrogen for refueling light-duty vehicles is a profitable business case with an average positive net present value of $4.5 billions, five years payback time, and 20% internal rate of return. Moreover, this PtG pathway promises a potential 2,215,916 tonnes of CO2 reduction from road travel.

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Section: Scenario Amentioning

confidence: 99%

Allocation of Ontario’s Surplus Electricity to Different Power-to-Gas Applications

et al. 2019

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“…66 Moreover, most studies report the combined cost of electrolysis with methanation without stating their individual contribution to the overall cost. 2,[67][68][69] In this work, the methanation reactor was modelled with, an RGibbs (thermodynamic equilibrium) reactor, assuming an operating temperature and pressure of 300 °C and 20 bar, respectively. The inlet H2/CO2 ratio was set to 4 to maximise CO2 conversion.…”

Section: Please Do Not Adjust Marginsmentioning

confidence: 99%

Grid-scale energy storage with net-zero emissions: comparing the options

Yao

Bui

Dowell

2019

Sustainable Energy Fuels

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“…Among them, power to methane is one of the most promising long-term storage technologies for the versatility regarding applications and the use of current gas network infrastructures (Götz et al, 2015;Bailera and Lisbona, 2018;Eveloy and Gebreegziabher, 2018;Lewandowska-Bernat and Desideri, 2018;Wulf et al, 2018;Thema et al, 2019). These technologies not only will play an important role in decarbonization of the industry (Baier et al, 2018;Cormos et al, 2018;Di Salvo and Wei, 2019;Chauvy et al, 2020;Rosenfeld et al, 2020), transport (Schemme et al, 2017;Colbertaldo et al, 2019), and building (Bailera et al, 2019b) but also will be needed to balance the power generation with demand under high penetration of variable renewable energies (Bailera and Lisbona, 2018;Eveloy and Gebreegziabher, 2018;Wulf et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Improved Flexibility and Economics of Combined Cycles by Power to Gas

et al. 2020

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Massive penetration of renewable energy in the energy systems is required to comply with existing CO 2 regulations. Considering current power pools, large shares of renewable energy sources imply strong efficiency and economic penalties in fossil fuel power plants as they are mainly operated to regulate the system and constant shutdowns are expected. Under this framework, the integration of a combined cycle power plant (CCPP) with an energy storage technology such as power to gas (PtG) is proposed to virtually reduce its minimum complaint load through the diversion of instantaneous excess electricity. Power to gas produces hydrogen through water electrolysis, which is later combined with CO 2 to produce methane. The main novelty of this study relies in the improved flexibility and economics of combined cycles by means of using power to gas as a tool to reduce the minimum complaint load. The principal objective of the study is the quantification of cost reduction under different scenarios of shutdowns and conventional start-ups. The case study analyses a combined cycle of 400 MW e gross power with a minimum complaint load of 30% that can be virtually reduced to 20% by means of a 40-MW e power-togas plant. Eight scenarios are defined to compare the reference case of conventional operation under hot, warm, and cold start-ups with power-togas assisted operation. Additionally, PtG-assisted operation scenarios are analyzed with different loads (30-50-70%). These scenarios also include the consideration of a temporary peak of demand occurring in a period in which dispatch is below the minimum complaint load. Under this situation, the response time of conventional plants is very limited, while PtG-assisted CCPP can rapidly satisfy the peak. The techno-economic model quantifies the required fuel, gross and net power, and emissions as well as total costs and incomes under each scenario and net differential profit in an hourly basis. The analysis of the obtained results does not recommend the operation of the PtG-assisted CCPP at minimum complaint load for hot, warm, or cold start-ups. However, important marginal profits are achieved with the proposed system for part-loads operation over 50% for every sort of start-up, avoiding shutdowns and extending the capacity factor.

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A Cost Estimation for CO2 Reduction and Reuse by Methanation from Cement Industry Sources in Switzerland

Cited by 36 publications

References 14 publications

Allocation of Ontario’s Surplus Electricity to Different Power-to-Gas Applications

Allocation of Ontario’s Surplus Electricity to Different Power-to-Gas Applications

Grid-scale energy storage with net-zero emissions: comparing the options

Improved Flexibility and Economics of Combined Cycles by Power to Gas

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