Abstract
Persistent organic contaminants having two or more fused aromatic rings are called polycyclic aromatic hydrocarbons (PAHs). PAHs were produced from incomplete combustion of organic substances and cooking food at temperatures above 200 ℃. Despite the numerous studies that have highlighted the rising health danger caused by PAHs, research on activated carbon (AC) adsorption for PAH elimination has been limited. This review aims to discuss the best-recommended AC adsorption to remove PAHs. A selected number of the most prevalent AC adsorption with the highest removal efficiency of PAHs were reviewed. Summarily, this review concluded that the best method goes to AC adsorption using wheat straw pyrolyzed with limiting oxygen conditions at 800 ℃ for 6 h with 2 g/L dosages. The process yields 652 m2/g BET surface area and 0.634 m3/g total pore volume which has successfully removed 98.6% fluoranthene. It is interesting to note that the excellent removal efficiency is also due to the interaction mechanism between AC and PAHs that is hydrogen bonding, π – π interaction and van der Waals attraction.
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Acknowledgments
The authors are grateful to Universiti Teknikal Malaysia Melaka (UTeM) for the financial support through FRGS/1/2020/FKM-CARE/F00436.
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Razak, N.A.A., Hanafi, M.H.M., Razak, N.H., Ibrahim, A., Omar, A.A. (2022). The Activated Carbon Adsorption of Polycyclic Aromatic Hydrocarbons: The Best Evidence Review. In: Abdollah, M.F.B., Amiruddin, H., Phuman Singh, A.S., Abdul Munir, F., Ibrahim, A. (eds) Proceedings of the 7th International Conference and Exhibition on Sustainable Energy and Advanced Materials (ICE-SEAM 2021), Melaka, Malaysia. ICE-SEAM 2021. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-19-3179-6_29
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DOI: https://doi.org/10.1007/978-981-19-3179-6_29
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