Carbon Dioxide Adsorption on Sawdust Biochar
Open accessAbstract
Biochar has been acknowledged for its unique property which makes it potential candidates as adsorbent for carbon dioxide (CO2) in the flue gas system. In this study, the properties of raw sawdust biochar (SB) and amine treated sawdust biochar (NSB) are being compared. Ultimate analysis was performed using elemental analyzer to determine the carbon, hydrogen, nitrogen and sulfur contents in the adsorbent. Physiochemical characterization has been performed to characterize the biochar properties. Fourier Transform Infrared Spectroscopy (FTIR) and Brunauer-Emmett-Teller (BET) were used to evaluate the functional groups and surface area of the biochar. Thermogravimetric analyzer (TGA) was used to discover the thermal properties, reactivity during adsorption. During the adsorption study, it was observed that raw sawdust biochar gasified at 850 °C gave the highest adsorption of 0.47 kg CO2/kg biochar at temperature of 30 °C. The incorporation of nitrogen functionalities onto the carbon surface may cause decrement of surface area of carbon.
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Amine degradation reduces the amine's capacity to absorb CO2 and accelerates equipment corrosion.
“This degradation reduces the amine’s capacity to absorb CO2 and accelerates equipment corrosion10–12.”
From Metals incorporated agricultural waste corn Cob-based biochar used as an adsorbent for CO2 capturing (2025) · cites this paper as [10]
The Introduction says byproducts of amine degradation reduce CO2 adsorption capacity. It also says amine accelerates corrosion in the machines involved, but does not specifically say degradation causes that corrosion. (LLM, conf=0.86)
Experimental — accuracy not yet measuredThe cyclic process of CO2 absorption and regeneration in amine solutions results in amine degradation.
“However, the cyclic process of CO2 absorption and regeneration in these amine solutions results in amine degradation.”
From Metals incorporated agricultural waste corn Cob-based biochar used as an adsorbent for CO2 capturing (2025) · cites this paper as [10]
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References 21 · Cited by 129
Research works printed but not linked: 2
- Mercedes, M.M-V., Zhong, T. andYinzhi, Z. "CO2 capture by activated and impregnated anthracites", Fuel Processing Technology, vol. 86, pp. 1487-1502, 2005.
- Yeh, J. T., Pennline, H. W., Resnik, K. P., &Rygle, K. (2004). Absorption and regeneration studies for CO2 capture by aqueous ammonia, 1-12. Third Annual Conference on carbon capture & sequestration, Alexandria, VA.
- Authors
- Madzaki, H., KarimGhani, W. A. W. A. B., NurZalikhaRebitanim, & AzilBahariAlias
- Affiliations
- Universiti Putra Malaysia (MY)
- Universiti Teknologi MARA System (MY)
- Corresponding author
- Madzaki, Hazimah
- Venue
- Procedia Engineering
- Publisher
- Elsevier BV
- Published
- 2016
- Volume
- 148
- Pages
- 718-725
- ISSN
- 1877-7058 (ISSN-L)
- OpenAlex
- W2472038925
- Cited by
- 129
- References
- 21
- Citations by year
- 2026: 9 · 2025: 15 · 2024: 11 · 2023: 23 · 2022: 25 · 2021: 13 · 2020: 13 · 2019: 12 · 2018: 7 · 2017: 1
- FWCI
- 16.48
- Type
- conference paper
- Language
- en
- Open access
- diamond
- doi.org
- Licence
- Locations
- Procedia Engineering (publishedVersion, cc-by-nc-nd)
- Universiti Putra Malaysia Institutional Repository (Universiti Putra Malaysia) (acceptedVersion)
- Funders
- Kementerian Sains, Teknologi dan Inovasi
- Ministério da Ciência, Tecnologia e Inovação
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Carbon Dioxide Capture Technologies
- Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
- Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
- Keywords
- CO2 adsorption, sawdust biochar, flue gas, amine treatment, nitrogen-containing functional groups, surface area, adsorbent properties, CO2 capture
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