Biomass pyrolysis: A review on recent advancements and green hydrogen production

Vuppaladadiyam, Arun Krishna; Vuppaladadiyam, Sai Sree Varsha; Awasthi, Abhishek Kumar; Sahoo, Arun Kumar; Rehman, Shazia; Pant, Kamal Kishore; Murugavelh, S.; Huang, Qing; Anthony, Edward J.; Fennel, Paul; Bhattacharya, Sankar; Leu, Shao‐Yuan

doi:10.1016/j.biortech.2022.128087

Cited by 90 publications

(12 citation statements)

References 137 publications

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“…Similary, the application of acid hydrolysis to Leucaena leucocephala resulted in increased hydrogen production 53 . In general, slow pyrolysis, like the process studied in this work, exhibits a range of hydrogen yields between 9 and 44% 65 .…”

Section: Resultsmentioning

confidence: 99%

Kinetic and hydrogen production analysis in the sequential valorization of a Populus clone by cold alkaline extraction and pyrolysis

Lozano-Calvo,

Loaiza,

García

et al. 2024

Sci Rep

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This work employed a two-step biorefining process, consisting of a hemicellulose-rich liquor production through ultrasound-assisted cold alkaline extraction (CAE), followed by thermochemical treatment of the resultant solid phase. The post-CAE solid phase’s pyrolytic potential was assessed by application of thermogravimetric analysis (TGA) and Friedman’s isoconversional method, and also from hydrogen production. The solid phases remaining after the CAE treatment were more reactive than the untreated raw material. Notably, the alkali concentration employed in the first step was the individual variable most pronounced influence on their activation energy (Ea). Thus, at a degree of conversion α = 0.50, Ea ranged from 109.7 to 254.3 kJ/mol for the solid phases, compared to 177 kJ/mol for the raw material; this value decreased with rising glucan content. At maximal degradation, the post-CAE solid phases produced up to 15.57% v/v more hydrogen than did the untreated raw material.

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Section: Resultsmentioning

confidence: 99%

Kinetic and hydrogen production analysis in the sequential valorization of a Populus clone by cold alkaline extraction and pyrolysis

Lozano-Calvo,

Loaiza,

García

et al. 2024

Sci Rep

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“…Biomass pyrolysis emerges as a viable method for hydrogen production, boasting an energy demand that is 15–20% lower than that of traditional steam methane reforming technology. In a comprehensive comparative analysis of renewable and conventional hydrogen production processes, the cost of hydrogen (H 2 ) via biomass pyrolysis was found to range from $1.77 to $2.05/kg of H 2 , a range that proved to be cost-competitive when juxtaposed with methane pyrolysis, which ranged from $1.25 to $2.20/kg of H 2 . Biomass gasification is increasingly recognized as an environmentally friendly and sustainable method for producing green hydrogen.…”

Section: Techno-economic Analysis Of Various Catalytic Hydrogen Produ...mentioning

confidence: 99%

“…In a comprehensive comparative analysis of renewable and conventional hydrogen production processes, the cost of hydrogen (H 2 ) via biomass pyrolysis was found to range from $1.77 to $2.05/kg of H 2 , a range that proved to be cost-competitive when juxtaposed with methane pyrolysis, which ranged from $1.25 to $2.20/kg of H 2 . 228 Biomass gasification is increasingly recognized as an environmentally friendly and sustainable method for producing green hydrogen. The methodology employed entails the development of three biomass gasification process models (conventional, plasma, and supercritical water) using Aspen Plus to estimate maximum hydrogen yields via a comprehensive parametric study.…”

Section: Techno-economic Analysis Of Various Catalytic Hydrogen Produ...mentioning

confidence: 99%

Review and Outlook of Hydrogen Production through Catalytic Processes

Kumar,

Singh,

Dutta

2024

Energy Fuels

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Hydrogen holds immense potential as a sustainable energy source as a result of its eco-friendliness and high energy density. Thus, hydrogen can solve the energy and environmental challenges. However, it is crucial to produce hydrogen using sustainable approaches in a cost-efficient manner. Currently, hydrogen can be produced by utilizing diverse feedstocks, such as natural gas, methane, ammonia, smaller organic molecules (methanol, ethanol, glycerol, and formic acid), biomass, and water. These feedstocks undergo conversion into hydrogen through different catalytic processes, including steam reforming, pyrolysis, catalytic decomposition, gasification, electrolysis, and photoassisted methods (photoelectrochemical, photocatalysis, and biophotolysis). Researchers have extensively explored various catalysts, including metals, alloys, oxides, non-oxides, carbon-based materials, and metal−organic frameworks, for these catalytic methods. The primary objectives have been to attain higher activity, selectivity, stability, and cost effectiveness in hydrogen generation. The efficacy of these catalytic processes is significantly dependent upon the performance of the catalysts, emphasizing the need for further research and development to create more efficient catalysts. However, during catalytic hydrogen production, gases like CO 2 , O 2 , CO, N 2 , etc. are produced alongside hydrogen. Separation techniques, such as pressure swing adsorption, metal hydride separation, and membrane separation, are employed to obtain high-purity hydrogen. Furthermore, a techno-economic analysis indicates that catalytic hydrogen production through steam reforming of natural gas/methane is currently viable and commercially successful. Photovoltaic electrolysis has been commercialized, but the cost of hydrogen production is still higher. Meanwhile, other photoassisted methods are in the development phase and hold the potential for future commercialization.

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“…Fast pyrolysis and flash pyrolysis are effective technologies to obtain bio-oil. The most obvious difference between them is that flash pyrolysis has a very high heating rate (1000 ℃ s -1 ) and a very short residence time (<1 s) [18]. Therefore, the particle size of feedstock in flash pyrolysis is suggested to be less than 250 µm for better heat transfer [11].…”

Section: Biomass Thermochemical Conversion Technologies 211 Pyrolysismentioning

confidence: 99%

Biomass-based carbon materials for CO2 capture: A review

Quan

Zhou

Wang

et al. 2023

Journal of CO2 Utilization

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Biomass pyrolysis: A review on recent advancements and green hydrogen production

Cited by 90 publications

References 137 publications

Kinetic and hydrogen production analysis in the sequential valorization of a Populus clone by cold alkaline extraction and pyrolysis

Kinetic and hydrogen production analysis in the sequential valorization of a Populus clone by cold alkaline extraction and pyrolysis

Review and Outlook of Hydrogen Production through Catalytic Processes

Biomass-based carbon materials for CO2 capture: A review

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