Abstract
Activated carbon is known as one of the effective adsorbents in carbon dioxide adsorption, which is mainly attributed to its highly porous structure. Utilizing biowaste as the precursor for the activated carbon synthesis is considered as an attractive approach due to the biowaste being an inexpensive, renewable, abundant, and environmental-friendly material. This review article covers the various biowaste precursors used for activated carbon synthesis along with the comparison of its activating methods (which are physical and chemical activation). The relation between the activation methods and carbon dioxide adsorption performance is elucidated for better understanding. The functionalization of the biowaste-based activated carbon with basic nitrogen functionalizing agent as well as the challenges in the application of these adsorbents in carbon dioxide adsorption are also discussed.
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