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- Title
Hydrogen production from acid- and ammonia-pretreated biomass.
- Authors
Ku, Min Jong; Lee, Dae Gyun; Kim, Min Woo; Jeong, Tae Yong; Kim, Seung Mo; Jeon, Chung Hwan
- Abstract
Hydrogen production from biomass has potential environmental and economic advantages; however, the factors that lead to low hydrogen production should be investigated. Acid and base pretreatments were applied to investigate the catalytic effects of alkali and alkaline earth metals (AAEMs) on the biomass (wood pellets) samples and hydrogen production through pyrolysis. The pyrolysis behavior and gas yield were analyzed using a thermogravimetric analyzer and drop tube furnace, respectively. The chemical structure characteristics were analyzed using Brunauer-Emmett-Teller specific surface area analyzer, scanning electron microscopy, and Fourier-transform infrared spectroscopy. Chemically pretreated samples yielded considerably higher hydrogen than the raw sample, as confirmed based on the microstructural properties of the biochar samples. Therefore, the physical changes produced a greater effect than the chemical changes caused by the removal of AAEMs.
- Subjects
ALKALINE earth metals; WOOD pellets; BIOMASS; SCANNING electron microscopy; CATALYSIS; HYDROGEN production; HYDROGEN as fuel
- Publication
Journal of Mechanical Science & Technology, 2022, Vol 36, Issue 10, p5243
- ISSN
1738-494X
- Publication type
Article
- DOI
10.1007/s12206-022-0937-5