The carbon neutrality of electricity generation from woody biomass and coal, a critical comparative evaluation

Nian, Victor

doi:10.1016/j.apenergy.2016.07.004

Cited by 60 publications

(27 citation statements)

References 28 publications

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“…Two enhancements are made to the serial developments of the LCA-PCA method. The first enhancement, with reference to earlier developments as described in [10], lies in adding the steam-methane reforming process with pre-combustion carbon capture endogenously into the mathematical formulations, rather than relying on a separate accounting approach outside of the methodology. This can help improve consistency in the system boundary formulations.…”

Section: Discussionmentioning

confidence: 99%

“…This method is conceived based on the serial developments described in [7,10,12,22,24]. This method allows for consistent system and boundary formulations, which can help ensure accurate and unbiased LCA results.…”

Section: Discussionmentioning

confidence: 99%

“…The life cycle inventories (LCIs) for processes ranging from upstream coal supply to downstream waste disposal are taken from [10]. These include mining, transport, drying and pulverizing, power generation, and waste disposal, but exclude gasification and pre-combustion carbon capture.…”

Section: Carbon Emissions Of Other Processesmentioning

confidence: 99%

“…In addition, the method assumes an ideal system in which there are negligible losses in the supply chain. Finally, a list of key input parameters and their reference values used in computing the life cycle carbon emissions is obtained from [10] and its referenced studies (summarized in Table 7). …”

Section: Other Key Assumptionsmentioning

confidence: 99%

“…All LCIs obtained from [10] (as listed Table 7) are converted based on the amount of "products" leaving each process (Table 9). In this case, it refers to the amount of CO 2 emissions per million tonnes of coal and/or syngas leaving each corresponding process of the system.…”

Section: Carbon Emissions Of Other Processesmentioning

confidence: 99%

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Life Cycle Analysis of Integrated Gasification Combined Cycle Power Generation in the Context of Southeast Asia

Wang

Nian

et al. 2018

Energies

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Coal remains a major source of electricity production even under the current state of developments in climate policies due to national energy priorities. Coal remains the most attractive option, especially to the developing economies in Southeast Asia, due to its abundance and affordability in the region, despite the heavily polluting nature of this energy source. Gasification of coal running on an integration gasification combined cycle (IGCC) power generation with carbon capture and storage (CCS) represents an option to reduce the environmental impacts of power generation from coal, but the decarbonization potential and suitability of IGCC in the context of Southeast Asia remain unclear. Using Singapore as an example, this paper presents a study on the life cycle analysis (LCA) of IGCC power generation with and without CCS based on a generic process-driven analysis method. We further evaluate the suitability of IGCC with and without CCS as an option to address the energy and climate objectives for the developing economies in Southeast Asia. Findings suggest that the current IGCC technology is a much less attractive option in the context of Southeast Asia when compared to other available power generation technologies, such as solar photovoltaic systems, coal with CCS, and potentially nuclear power technologies.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Carbon Emissions Of Other Processesmentioning

confidence: 99%

Section: Other Key Assumptionsmentioning

confidence: 99%

Section: Carbon Emissions Of Other Processesmentioning

confidence: 99%

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Life Cycle Analysis of Integrated Gasification Combined Cycle Power Generation in the Context of Southeast Asia

Wang

Nian

et al. 2018

Energies

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Biomass Photoreforming for Hydrogen and Value‐Added Chemicals Co‐Production on Hierarchically Porous Photocatalysts

Zhao

Liu

Zhong

et al. 2023

Advanced Energy Materials

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technologies to utilize renewable energy sources such as wind, solar, geothermal, and biomass is highly desired to maintain the harmonious, sustained, and steady development of human civilization. [1][2][3] Biomass, a most widely abundant and easily accessible natural resource have already supported mankind for thousands of years. [4][5][6] Until now, biomass is still supplying ≈25% of global energy and it has been widely recognized as one of the most important energy source in the future. [7][8][9][10] The first-generation biofuels such as bioethanol generated from carbohydrates in corn and wheat have already made huge contribution to the global economies. However, drawbacks are from the huge consumption of food crops during the production procedure, which exacerbates food shortage problem. [11][12][13] The secondgeneration biofuels are derived from various types of non-food feedstocks such as lignocellulosic biomass and wastes, which holds great potential to sustainably produce fuels and value-added chemicals along with addressing environmental issues and without competing with food reserves. [14][15][16] Lignocellulosic biomass consisting of polysaccharides (cellulose and hemicellulose) and aromatic polymers (lignin) comprises more than 50% of total organic matter on earth. [5] Developing efficient technologies to convert lignocellulosic biomass into high-intensity fuels and platform Biomass, a naturally abundant, sustainable and clean resource has great potential as an alternative to replace the limited fossil feedstock for valueadded chemicals and fuels. Biomass with abundant reductive functional groups could theoretically act as electron donor to consume photogenerated holes and/or active free radicals. Biomass photoreforming over semiconductor photocatalysts using solar light as energy input attracts much attention in this context. However, biomass photoreforming still suffers low conversion efficiency and product selectivity due to its structural complexity, poor solubility and unclear reaction mechanism. Owing to the advanced features of mass diffusion of biomass derivatives and adjustable surface properties, hierarchically porous photocatalysts with desired active sites at each length scale of porosity have shown their superiority in boosting the conversion efficiency and selectivity of biomass photoreforming. Herein, a critical review is presented on selective biomass photoreforming for simultaneous H 2 and value-added chemicals co-production on hierarchically porous photocatalysts. The fundamentals of biomass photoreforming and current bottleneck of biomass valorization by photocatalytic process are presented and analyzed. The rational photocatalyst design with hierarchically porous structure to improve the biomass conversion and product selectivity by boosting mass transfer is highlighted. Finally the challenges and opportunities for photocatalytic biomass valorization are presented in the perspective ssection.

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Life cycle assessment of electricity generation: a review of the characteristics of existing literature

Barros

Salvador

Piekarski

et al. 2019

Int J Life Cycle Assess

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The carbon neutrality of electricity generation from woody biomass and coal, a critical comparative evaluation

Cited by 60 publications

References 28 publications

Life Cycle Analysis of Integrated Gasification Combined Cycle Power Generation in the Context of Southeast Asia

Life Cycle Analysis of Integrated Gasification Combined Cycle Power Generation in the Context of Southeast Asia

Biomass Photoreforming for Hydrogen and Value‐Added Chemicals Co‐Production on Hierarchically Porous Photocatalysts

Life cycle assessment of electricity generation: a review of the characteristics of existing literature

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