Life cycle assessment and techno-economic analysis of biomass-to-hydrogen production with methane tri-reforming

Li, Guoxuan; Wang, Shuai; Zhao, Jiangang; Qi, Huaqing; Ma, Zhaoyuan; Cui, Peizhe; Zhu, Zhaoyou; Gao, Jun; Wang, Yinglong

doi:10.1016/j.energy.2020.117488

Cited by 70 publications

(22 citation statements)

References 39 publications

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“…The GWP values fell in the interval between 0.28 and 0.52 kg CO 2 eq./kWh for the APG system and between 0.12 kg and 0.96 kg CO 2 eq./kWh for the COG case. These results were in the range of values that characterize the carbon footprint of natural gas-fired power generation [66,67]. The contribution of the hydrogen recovery stage in this category is much greater than that of the cell, being between 82% and 90% for the APG case and from 61% to 95% for the COG system.…”

Section: Life-cycle Impact Assessment Based On Energy Productionmentioning

confidence: 69%

Hydrogen Recovery from Waste Gas Streams to Feed (High-Temperature PEM) Fuel Cells: Environmental Performance under a Life-Cycle Thinking Approach

et al. 2020

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Fossil fuels are being progressively substituted by a cleaner and more environmentally friendly form of energy, where hydrogen fuel cells stand out. However, the implementation of a competitive hydrogen economy still presents several challenges related to economic costs, required infrastructures, and environmental performance. In this context, the objective of this work is to determine the environmental performance of the recovery of hydrogen from industrial waste gas streams to feed high-temperature proton exchange membrane fuel cells for stationary applications. The life-cycle assessment (LCA) analyzed alternative scenarios with different process configurations, considering as functional unit 1 kg of hydrogen produced, 1 kWh of energy obtained, and 1 kg of inlet flow. The results make the recovery of hydrogen from waste streams environmentally preferable over alternative processes like methane reforming or coal gasification. The production of the fuel cell device resulted in high contributions in the abiotic depletion potential and acidification potential, mainly due to the presence of platinum metal in the anode and cathode. The design and operation conditions that defined a more favorable scenario are the availability of a pressurized waste gas stream, the use of photovoltaic electricity, and the implementation of an energy recovery system for the residual methane stream.

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Section: Life-cycle Impact Assessment Based On Energy Productionmentioning

confidence: 69%

Hydrogen Recovery from Waste Gas Streams to Feed (High-Temperature PEM) Fuel Cells: Environmental Performance under a Life-Cycle Thinking Approach

et al. 2020

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“…In this way, it is possible to state which route is most appealing for the conversion of this feedstock, but it is impossible to verify whether BG could represent a suitable alternative to natural gas. Analyzing the GWP for the production of H 2 starting from BG or BM, the impact of the production of a certain amount of hydrogen depends on the feed used and the technology applied for biogas upgrading [42][43][44][45][46].…”

Section: Biogasmentioning

confidence: 99%

Catalytic Upgrading of Clean Biogas to Synthesis Gas

et al. 2022

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Clean biogas, produced by anaerobic digestion of biomasses or organic wastes, is one of the most promising substitutes for natural gas. After its purification, it can be valorized through different reforming processes that convert CH4 and CO2 into synthesis gas (a mixture of CO and H2). However, these processes have many issues related to the harsh conditions of reaction used, the high carbon formation rate and the remarkable endothermicity of the reforming reactions. In this context, the use of the appropriate catalyst is of paramount importance to avoid deactivation, to deal with heat issues and mild reaction conditions and to attain an exploitable syngas composition. The development of a catalyst with high activity and stability can be achieved using different active phases, catalytic supports, promoters, preparation methods and catalyst configurations. In this paper, a review of the recent findings in biogas reforming is presented. The different elements that compose the catalytic system are systematically reviewed with particular attention on the new findings that allow to obtain catalysts with high activity, stability, and resistance towards carbon formation.

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“…The analysis of the two production processes was based on the following assumptions: Operating in steady state. Ignoring the heat loss. Ignoring the kinetic energy, potential energy, and pressure drop. Ignoring the pressure drop in the whole process. Solutions are in equilibrium. …”

Section: Performance Analysismentioning

confidence: 99%

“…Assumptions. The analysis of the two production processes was based on the following assumptions: 34 (1). Operating in steady state.…”

Section: Performance Analysismentioning

confidence: 99%

Economic, Thermodynamic, and Environmental Analysis and Comparison of the Synthesis Process of Butyl Acetate

Shen

Zhao

Qiu

et al. 2020

Ind. Eng. Chem. Res.

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The traditional production of butyl acetate (BA) has the problems of low equilibrium conversion rate and high energy consumption of product separation and purification. In this work, the production processes of BA by transesterification and esterification were simulated. Taking the annual total cost as the objective function, the process parameters of the two processes were optimized by the sequential iterative optimization method. The analysis showed that the total annual costs (TACs) of the two processes with an annual output of 3.46 × 104 t of the product are 4.45 × 106 $/year and 1.75 × 106 $/year, respectively. Compared with the esterification process, the transesterification process has a higher economic performance. Under the optimal economic conditions, the nondominated sorting genetic algorithm II (NSGA-II) technology is used to optimize the total exergy loss and carbon emission. When the exergy loss rate is the lowest (exergy loss rate = 68.52%), the carbon emission is 1210.8286 kg/h. When the carbon emission is the lowest (carbon emission = 1210.8221 kg/h), the exergy loss rate is 68.53% accordingly. The comprehensive analysis and optimization results provide theoretical guidance for the green and sustainable development of the BA production.

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Life cycle assessment and techno-economic analysis of biomass-to-hydrogen production with methane tri-reforming

Cited by 70 publications

References 39 publications

Hydrogen Recovery from Waste Gas Streams to Feed (High-Temperature PEM) Fuel Cells: Environmental Performance under a Life-Cycle Thinking Approach

Hydrogen Recovery from Waste Gas Streams to Feed (High-Temperature PEM) Fuel Cells: Environmental Performance under a Life-Cycle Thinking Approach

Catalytic Upgrading of Clean Biogas to Synthesis Gas

Economic, Thermodynamic, and Environmental Analysis and Comparison of the Synthesis Process of Butyl Acetate

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