Techno-Economic, Energy, Exergy, and Environmental Comparison of Hydrogen Production from Natural gas, Biogas, and their Combination as Feedstock

Shamsi, Mohammad; Moghaddas, Siamak; Naeiji, Esfandiyar; Farokhi, Saman

doi:10.1007/s13369-022-07581-z

Cited by 18 publications

(2 citation statements)

References 36 publications

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“…In the model, cow dung gave a yield of 353.5 L‐biogas/kg/d at a feed rate of 0.33 L d −1 at an HRT of 15 d, while municipal solid waste gave 401 L‐biogas/kg/d from a 600‐L anaerobic digester 17. Aspen Plus helps in determining the effects of various parameters and how the production may be improved 18, 19. Another tool, namely the response surface methodology (RSM), can use the data generated from Aspen Plus to find out the optimal parameters for biohydrogen production 20.…”

Section: Introductionmentioning

confidence: 99%

Simulation and Optimization of Biohydrogen Production from Biomass Feed via Anaerobic Digestion

Budhraja,

Pal,

Mishra

2024

Chem Eng & Technol

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Biomass energy is a renewable energy source that is carbon‐neutral, versatile, and can never go extinct. In the current study, a simulation model of an anaerobic digester with parameters such as pretreatment temperature (PTT), hydraulic retention time (HRT), and feed‐to‐water (F/W) ratio was developed and a design of experiment was created. The results showed that the higher hemicellulose content in sugarcane bagasse (SB) gave a decent H2 yield (13–23 %). The significance sequence was PTT > F/W > HRT. The optimal values were HRT of 15–16 d; F/W of 1.5 (SB), 1.26 [rice straw (RS)], and 0.5 [sawdust (SD)]; and PTT of 63.3 (SB), 68.8 (RS), and 75 °C (SD). The optimal H2 yield was 19.80 (SB), 20.94 (RS), and 21.41 % (SD). Therefore, the present simulation and optimization showed concrete results to raise H2 yield.

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Section: Introductionmentioning

confidence: 99%

Simulation and Optimization of Biohydrogen Production from Biomass Feed via Anaerobic Digestion

Budhraja,

Pal,

Mishra

2024

Chem Eng & Technol

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“…The reforming reaction can be successfully conducted using a variety of biofuels, allowing the reforming process to be considered a renewable source of green hydrogen [7,8]. The importance of biogas as a fuel for the process is crucial, as it is considered to have less impact on the environment than the reforming of natural gas [9]. The reforming process brings a series of issues regarding the thermal conditions occurring inside the reactor, originating from its strong endothermic character [10].…”

Section: Introductionmentioning

confidence: 99%

Enhancing Hydrogen Production from Biogas through Catalyst Rearrangements

et al. 2023

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Recent trends in hydrogen production include using renewable energy sources, e.g., biogas as feedstocks for steam reforming. Crucial to the field is minimizing existing reforming reactors for their applications to fuel cell systems. Here, we present a novel design of a steam reforming reactor for an efficient biogas conversion to hydrogen. The design includes a radial division of the catalytic insert into individual segments and substituting parts of the catalytic material with metallic foam. The segment configuration is optimized using a genetic algorithm to maximize the efficiency of the reactor. Changes in the catalytic insert design influence the thermal conditions inside the reactor, leading to moderation of the reaction rate. This article presents a promising approach to producing hydrogen from renewable sources via steam reforming. A significant enhancement in the reforming process effectiveness is achieved with a notable decrease in the amount of the catalyst used. The final results demonstrate the capability for acquiring a similar level of biogas conversion with a 41% reduction of the catalytic material applied.

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Process Considerations for the Production of Hydrogen via Steam Reforming of Oxygenated Gases from Biomass Pyrolysis and Other Conversion Processes

Dutta

2023

Advanced Sustainable Systems

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In 2021, average CO2 emissions was 9.7 g CO2/g H2 produced, primarily based on steam methane reforming (SMR) technology that currently dominates hydrogen production. The substitution of natural gas (NG) and other fossil feedstocks in SMRs with renewable gases may be considered as an option for reducing greenhouse gas emissions. This analysis explores process impacts and constraints associated with the potential introduction of biogenic gases into SMRs. The results indicate that replacing NG in the fuel train of the SMR, followed by partial replacement of NG in the feed train may be a feasible approach. For the CO‐ and CO2‐rich gas compositions assumed in this analysis the results indicate that feed train may accommodate up to 25 mole % of biogenic gases using allowances in existing designs and/or with small modifications, while maintaining similar hydrogen output. NG substitution in higher proportions require more major changes because of increased flow rates and heat exchange requirements in the system. Biogenic gases with lower CO2 and higher calorific values are advantageous for NG substitution, and dry reforming using the CO2 present in the feed gas can reduce steam consumption and increase process efficiency within limits where coking does not become a new constraint.

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Techno-Economic, Energy, Exergy, and Environmental Comparison of Hydrogen Production from Natural gas, Biogas, and their Combination as Feedstock

Cited by 18 publications

References 36 publications

Simulation and Optimization of Biohydrogen Production from Biomass Feed via Anaerobic Digestion

Simulation and Optimization of Biohydrogen Production from Biomass Feed via Anaerobic Digestion

Enhancing Hydrogen Production from Biogas through Catalyst Rearrangements

Process Considerations for the Production of Hydrogen via Steam Reforming of Oxygenated Gases from Biomass Pyrolysis and Other Conversion Processes

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