Release characteristics of alkali and alkaline earth metallic species during biomass pyrolysis and steam gasification process
Abstract
Investigating the release characteristics of alkali and alkaline earth metallic species (AAEMs) is of potential interest because of AAEM's possible useful service as catalysts in biomass thermal conversion. In this study, three kinds of typical Chinese biomass were selected to pyrolyse and their chars were subsequently steam gasified in a designed quartz fixed-bed reactor to investigate the release characteristics of alkali and alkaline earth metallic species (AAEMs). The results indicate that 53-76% of alkali metal and 27-40% of alkaline earth metal release in pyrolysis process, as well as 12-34% of alkali metal and 12-16% of alkaline earth metal evaporate in char gasification process, and temperature is not the only factor to impact AAEMs emission. The releasing characteristics of AAEMs during pyrolysis and char gasification process of three kinds of biomass were discussed in this paper.
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Carbonates in BLS might react with carbon to generate volatile alkaline metal and CO, causing part of the mass loss, for example by 2C + Na2CO3 → 2Na + 3CO.
“Carbonates in BLS might react with carbon to generate volatile alkaline metal and CO to result in a part of mass loss, for instance, by 2C + Na2CO3 → 2Na + 3CO [40].”
From Evaluation of pyrolysis characteristics and product distribution of black liquor using Py-GC/MS and down tube reactor: Comparison with lignin (2021) · cites this paper as [40]
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Ronsse, F., van Hecke, S., Dickinson, D., & Prins, W. (2013) · GCB Bioenergy · doi:10.1111/gcbb.12018 · Cited by 1,000 · see citing works
Pyrolysis of black liquor for phenols and impact of its inherent alkali
Peng, C., Zhang, G., Yue, J., & Xu, G. (2014) · Fuel Processing Technology · doi:10.1016/j.fuproc.2014.06.020 · Cited by 57 · see citing works
Zhao, Y., Zhang, H., Zong, P., Zhou, H., & Tian, Y. (2021) · Fuel · doi:10.1016/j.fuel.2021.120286 · Cited by 36 · see citing works
- Authors
- Long, J., Song, H., Jun, X., Sheng, S., Lun-shi, S., Kai, X., & Yao, Y.
- Affiliations
- State Key Laboratory of Coal Combustion (CN)
- Corresponding author
- Song, Hu
- ORCID
- Yao, Yao
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2012-07
- Volume
- 116
- Pages
- 278-284
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2001336738
- Cited by
- 196
- References
- 0
- Citations by year
- 2026: 12 · 2025: 11 · 2024: 12 · 2023: 15 · 2022: 19 · 2021: 21 · 2020: 13 · 2019: 15 · 2018: 30 · 2017: 14 · 2016: 9 · 2015: 11 · 2014: 4 · 2013: 8 · 2012: 1
- FWCI
- 4.38
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- The National Science Foundation of China (51176062, 51021065, 50976038)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
- Physical Sciences › Materials Science › Materials Chemistry › Thermal and Kinetic Analysis
- Physical Sciences › Engineering › Mechanical Engineering › Mining and Gasification Technologies
- Keywords
- alkali metals, alkaline earth metals, biomass pyrolysis, biomass thermal conversion, biomass char, fixed-bed reactor
- MeSH terms
- Alkalies, Biotechnology, Charcoal, Gases, Metals, Alkaline Earth, Steam, Temperature, Time Factors, Biomass, Bioreactors
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