Hydrogen from wood gasification with CCS – a techno-environmental analysis of production and use as transport fuel

Antonini, Cristina; Treyer, Karin; Moioli, Emanuele; Bauer, Christian; Schildhauer, Tilman J.; Mazzotti, Marco

doi:10.1039/d0se01637c

Cited by 52 publications

(56 citation statements)

References 32 publications

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“…This generates additional CO2 emissions that can be avoided by post-combustion CO2 capture. The amount of CO2 produced in this section account for about 30 % of the original carbon content of the woody biomass [4].…”

Section: General Aspectsmentioning

confidence: 99%

“…Another frequently discussed approach is precombustion CCS of biomass, i.e. the gasification/reforming of biomass, followed by water gas shift reaction to produce the maximum hydrogen account and capture plus sequestration of the remaining CO2 [4]. This review paper wants to highlight a third option for negative emissions.…”

Section: Introductionmentioning

confidence: 99%

“…In fact, the biogenic CO2 should be used in times of electricity overproduction as carbon feedstock within Power-to-Hydrocarbons processes allowing for seasonal energy storage and sector coupling. For this reason, we can quantify the amount of CO2 available in about 20 to 40 % of the original total carbon content of the biomass [4]. However, despite limited, this amount of CO2 is significant for the development of a CO2 negative energy strategy, thanks to the easiness of separation and handling of this fraction.…”

Section: Introductionmentioning

confidence: 99%

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Negative CO<sub>2</sub> Emissions from Flexible Biofuel Synthesis: Concepts, Potentials, Technologies

Moioli¹,

Schildhauer²

2021

Preprint

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This review reports the available technologies for the flexible utilization of biomass towards negative CO2 emissions and addresses the possibility to couple biogas production plants with the electrical grid converting excess electrical energy into storable chemical molecules. This changed mind-set towards biomass utilization can lead readily to the implementation of negative CO2 emission along the entire bioenergy supply chain without limiting the potential for Power-to-X applications. First, the technologies for direct conversion of waste and wood into gaseous energy carriers are screened, to highlight the potential for the production of renewable fuels. Second, the processes for the removal of CO2 from biogenic gas streams are analysed in terms of technological performance, cost and further potential for the CO2 recovered. These technologies are the key to pre-combustion CO2 capture and negative emissions. Third, the possibility of coupling biomass conversion and synthetic fuels production is explored, providing an overview on the technical maturity of the various energy storage processes. The flexible use of biomass can be an essential part of the future CO2-free energy systems, as it can directly provide energy carriers all around the year and also large quantities of climate-neutral carbon for the production of synthetic fuels with renewable energy. In turn, when no additional renewable electricity is available, the CO2 by-product from biofuel synthesis can be used for the negative emissions. This opens the way to an efficient strategy for the seasonal storage of electrical energy, realizing a carbon-neutral energy system coupled with the development of carbon-negative energy strategy.

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Section: General Aspectsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Negative CO<sub>2</sub> Emissions from Flexible Biofuel Synthesis: Concepts, Potentials, Technologies

Moioli¹,

Schildhauer²

2021

Preprint

Self Cite

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“…Biomass-based hydrogen production represents an exception: adding CCS to wood gasification and reforming of biomethane can lead to net negative GHG emissions under certain circumstances. 6,7 However, sustainable biomass availability is likely to be limited. 63 We conclude with some reflections on the main implications of this research.…”

Section: Conclusion and Recommendationsmentioning

confidence: 99%

“…from wind power). [6][7][8][9][10][11][12][13][14][15] However, there is less clarity on the climate change impact of hydrogen produced from natural gas (NG) and other fossil fuels, coupled with CO2 capture and storage (CCS) -often colloquially called blue hydrogen. Some of the authors of this contribution investigated life cycle impacts on climate change from a range of blue hydrogen production technologies for the European situation and published the results in 2020.…”

Section: Introductionmentioning

confidence: 99%

On the climate impacts of blue hydrogen production

Bauer

Treyer

Antonini

et al. 2021

Preprint

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Natural gas based hydrogen production with carbon capture and storage is referred to as blue hydrogen. If substantial amounts of CO2 from natural gas reforming are captured and permanently stored, such hydrogen could be a low-carbon energy carrier. However, recent research raises questions about the effective climate impacts of blue hydrogen from a life cycle perspective. Our analysis sheds light on the relevant issues and provides a balanced perspective on the impacts on climate change associated with blue hydrogen. We show that such impacts may indeed vary over large ranges and depend on only a few key parameters: the methane emission rate of the natural gas supply chain, the CO2 removal rate at the hydrogen production plant, and the global warming metric applied. State-of-the-art reforming with high CO2 capture rates combined with natural gas supply featuring low methane emissions does indeed allow for substantial reduction of greenhouse gas emissions compared to both conventional natural gas reforming and direct combustion of natural gas. Under such conditions, blue hydrogen is compatible with low-carbon economies and features climate change impacts in line with green hydrogen from electrolysis supplied with renewable electricity. However, neither current blue nor green hydrogen production pathways render fully “net-zero” hydrogen without additional carbon dioxide removal.

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Techno‐economic and policy analysis of hydrogen and gasoline production from forest biomass, agricultural residues and municipal solid waste in California

Gilani

Ibrik

Sanchez

2023

Biofuels Bioprod Bioref

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Techno-economic and policy analyses were performed of hydrogen and gasoline production from forest biomass (FB). They were compared with fuels produced using agricultural residues and municipal solid waste in California. Twelve process designs were analyzed, with and without carbon capture and storage, and life-cycle analysis was performed, using California's Greenhouse Gases, Regulated Emissions, and Energy Use in Transportation (GREET) 3.0 model, to calculate the average life-cycle carbon intensity of different process designs for hydrogen and gasoline. Discounted cash flow models were developed to assess profitability in terms of the net present value and internal rate of return (IRR). The results showed that forest-to-fuel pathways (positive IRR between 2%−16%) were the least competitive biomass-based pathway option. Sensitivity analysis was performed on economic parameters including feedstock price and renewable identification number (RIN) credit price. In the case of RIN credits, profitability declined significantly as the proportion of FB from federal lands increased given existing statutory limitations. Given the importance of increasing forest management to reduce wildfire risks, the necessary additional policy incentives were quantified to equalize the cost of forest-to-fuels pathways with the other biofuels pathways. To ensure FB-to-fuels pathways are cost competitive with agricultural residues, policymakers could increase the low carbon fuel standard (LCFS) credit price for forest fuels (additional credit price support of $41-75 t/CO 2 e), give additional credit to lifecycle emissions reductions from forest fuels (additional carbon intensity decrease of 19-76 gCO2e MJ −1 ), provide concessionary debt or equity with a target weighted average cost of capital (WACC) = 3-4%, subsidize

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Hydrogen from wood gasification with CCS – a techno-environmental analysis of production and use as transport fuel

Abstract: The use of biomass as a resource for hydrogen production can contribute to the transition towards carbon neutral or carbon negative energy systems. This paper offers a comprehensive investigation of...

Cited by 52 publications

References 32 publications

Negative CO<sub>2</sub> Emissions from Flexible Biofuel Synthesis: Concepts, Potentials, Technologies

Negative CO<sub>2</sub> Emissions from Flexible Biofuel Synthesis: Concepts, Potentials, Technologies

On the climate impacts of blue hydrogen production

Techno‐economic and policy analysis of hydrogen and gasoline production from forest biomass, agricultural residues and municipal solid waste in California

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