Facile synthesis of biochar/layered double oxides composite by one-step calcination for enhanced carbon dioxide (CO2) adsorption

•Incorporating layered double oxide (LDO) into cellulose biochar have been done.•A CO2 adsorption capacity of 1.24 mmol/g was achieved after 100 min contact time.•The CO2 adsorption capacity increase (3-fold) after incorporating of LDO. Biochar has gained considerable attention as a promising materi...

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Bibliographic Details
Published in:Materials letters 2023-05, Vol.338, p.134068, Article 134068
Main Authors: Taher, Tarmizi, Gusti Wibowo, Yudha, Maulana, Sena, Rahayu Palapa, Neza, Rianjanu, Aditya, Lesbani, Aldes
Format: Article
Language:English
Subjects:
Adsorption
Biochar
CO2
Layered double oxides
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Summary:•Incorporating layered double oxide (LDO) into cellulose biochar have been done.•A CO2 adsorption capacity of 1.24 mmol/g was achieved after 100 min contact time.•The CO2 adsorption capacity increase (3-fold) after incorporating of LDO. Biochar has gained considerable attention as a promising material for CO2 adsorption. Herein, cellulose-derived biochar (CBC) has been modified by incorporating layered double oxides (LDO) to enhance its sorption capacity toward CO2 molecules. Several characterization methods, including scanning electron microscopy (SEM), X-ray diffractometer (XRD), and Fourier transform infrared (FTIR) spectroscopy analysis, have been conducted to investigate the effect of LDO loading on the obtained composite characteristics. The CO2 adsorption test indicated that the incorporation of LDO on the biochar surface significantly increased its adsorption performance by about 3 folds. This result offers a simple method to enhance the CO2 adsorption ability of biochar by incorporating it with LDO materials.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2023.134068