The Application of Biochar for CO 2 Capture: Influence of Biochar Preparation and CO 2 Capture Reactors
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High Resolution Image Download MS PowerPoint Slide This work investigates three types of biochar (bamboo charcoal, wood pellet, and coconut shell) for postcombustion carbon capture. Each biochar is structurally modified through physical (H 2 O, CO 2 ) and chemical (ZnCl 2, KOH, H 3 PO 4 ) activation to improve carbon capture performance. Three methods (CO 2 adsorption isotherms, CO 2 fixed-bed adsorption, and thermogravimetric analysis) are used to determine the CO 2 adsorption capacity. The results show that a more than 2.35 mmol·g –1 (1 bar, 298 K) CO 2 capture capacity was achieved using the activated biochar samples. It is also demonstrated that the CO 2 capture performance by biochar depends on multiple surface and textural properties. A high surface area and pore volume of biochar resulted in an enhanced CO 2 capture capacity. Furthermore, the O*/C ratio and pore width show a negative correlation with the CO 2 capture capacity of biochars.
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Biochar is used for carbon dioxide capture, water purification, soil enhancement, and catalysis.
“It is used for various applications, including carbon dioxide capture35,36, water purification37, soil enhancement38, and catalysis37,39.”
From Metals incorporated agricultural waste corn Cob-based biochar used as an adsorbent for CO2 capturing (2025) · cites this paper as [35]
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Sorted by citations
Metals incorporated agricultural waste corn Cob-based biochar used as an adsorbent for CO2 capturing
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“Research has demonstrated that biochar with elevated carbon content exhibits superior adsorption capacity for pollutants and CO 2 capture, as carbon provides active sites for adsorption and bolsters the structural integrity of the biochar 73 .”
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- Authors
- Zhang, C., Ji, Y., Li, C., Zhang, Y., Sun, S., Xu, Y., Jiang, L., & Wu, C.
- Affiliations
- Queen's University Belfast (GB)
- Zhejiang University (CN)
- Corresponding author
- Jiang, Long
- Wu, Chunfei
- Venue
- Industrial & Engineering Chemistry Research
- Publisher
- American Chemical Society (ACS)
- Published
- 2023-06-29
- Volume
- 62
- Issue
- 42
- Pages
- 17168-17181
- ISSN
- 0888-5885 (ISSN-L)
- 1520-5045
- PMC
- PMC10603783
- OpenAlex
- W4382600535
- Cited by
- 138
- References
- 51
- Citations by year
- 2026: 64 · 2025: 46 · 2024: 25 · 2023: 3
- FWCI
- 13.56
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Industrial & Engineering Chemistry Research (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Research Portal (Queen's University Belfast) (publishedVersion, cc-by)
- Funders
- H2020 Marie Sklodowska-Curie Actions (823745, 872102)
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Carbon Dioxide Capture Technologies
- Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
- Physical Sciences › Engineering › Mechanical Engineering › Industrial Gas Emission Control
- Keywords
- biochar, CO2 capture, post-combustion carbon capture, bamboo charcoal, coconut shell, chemical activation, CO2 adsorption isotherms, fixed-bed adsorption, surface area, pore volume, O/C ratio, pore width, adsorption capacity
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